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Sandy vs Kaby

RidelynnRidelynn Member EpicPosts: 7,383
http://www.hardocp.com/article/2017/01/13/kaby_lake_7700k_vs_sandy_bridge_2600k_ipc_review/1

Interesting article. They take a 2600K and a 7700K and clock them both to 4.5 to see what the difference in architectures bring in non-GPU limited scenarios. There are some other minor differences (DDR3 vs DDR4), but, as the test results show, they don't appear to be very relevant to the results.

the tl;dr

The Kaby architecture presents about a 20% increase over Sandy. That's 20%, over the course of 6 full generations of chips. In some benchmarks it was a bit less, some a bit more, but overall around 20%.
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Comments

  • RidelynnRidelynn Member EpicPosts: 7,383
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    And the Sandra tests are very weird too, they aren't pure CPU speed tests.

    I agree that the number came in a lot lower than I was expecting. It seems that pretty well every generation (except 6000 to 7000) came with a ~10-15% same clock-to-clock improvement, and to see just this going across several generations isn't what I would have thought.



    That being said, they are pretty open about their testing, and of pretty much all review sites, I trust HardOCP's methodology and results the most. I don't think their final results are the result of any intentional fabrication, but I won't discount the possibility that there's an error in there somewhere.

    Then again, maybe that 10-15% improvement clock to clock isn't really what we have been seeing. 10-15% from generation over generation maybe, but we've also seen clock adjustments there, or a change in RAM, or whatever so it's not a 10-15% IPC improvement (which is mostly what these tests in this article show), but does result in a net improvement.

    I think they do plan to do a max overclock vs max overclock test eventually, he mentions in the article they are running some other comparisons. The trouble with that is that not every chip will hit a specific overclock, so how do you find a "fair" comparison there?

  • MalaboogaMalabooga Member UncommonPosts: 2,977
    edited January 2017
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    And the Sandra tests are very weird too, they aren't pure CPU speed tests.

    To be totally fair by the way, comparison should me made with both chips at their maximum stable overclock, since they are both "K" CPUs. I doubt the 2600k can get much higher, but the 7700k goes up to 4.8ghz on "bad" chips. 2600k does 4.0ghz on "bad" chips, average is 4.5. So you're already 0.3ghz higher just from the average 2600k vs the "bad" 7700k.

    No denying though that Intel CPUs have extraordinary long "efficient" lifespans. I'm sure you can game at high settings nowadays with a 2600k, if you have a good graphic card to complement it.
    lol, here you go again

    http://www.anandtech.com/show/9483/intel-skylake-review-6700k-6600k-ddr4-ddr3-ipc-6th-generation/10

    and Sandy OCed like a beast, even 5 GHz wasnt anything unsual lol





    the only question is: why are you plain out lying lol

    over 6 generations Intel increased performance by whooping 25%.




  • Loke666Loke666 Member EpicPosts: 21,441
    The CPU is not improving as fast as the late 90s early 00s. I think I will keep my 5820K for a few more years...

    But we seen things slow and speed up depending on when new tech comes out before. We will certainly see a huge leap again within 10 years. 
  • CleffyCleffy Member RarePosts: 6,414
    If you got a Core i7 920, you really didn't have a need to upgrade. The CPU is still quite sufficient for a modern desktop. What you would miss out on are the new standards. The lack of CPU progress this last decade has made the cost of owning a modern computer quite small. From the benchmarks we have been seeing I am not all too surprised that it only netted a 20% IPC gain. What Intel has been achieving is smaller power envelopes. You are getting the same performance at 45w as you would have at 95w.
    I expect Ryzen to have nearly identical IPC to Intel due to AMD and Intel's relationship. Since they develop on the same platform they must come to a standard for their architectures or they will begin to diverge too much. Both CPU architectures will mostly utilize the silicon the same. Something tells me their cross-licensing agreement also includes coming to a standard way of doing things. Like how x64 became the standard instead of Intel's 64-bit architecture. In that vein I think the general architecture in Ryzen is very similar to the Core architectures as it has proven to be better. They will begin diverging in other ways.
    I think at the end of the day, Intel wants AMD as it's own company instead of going out of business. If AMD does fall it would mean a company like Qualcomm or Samsung would get the x86 license by buying up AMD in bankruptcy so Intel does not retain a monopoly. They would offer too much competition by comparison and may eat up a lot of their market share.
  • mgilbrtsnmgilbrtsn Member EpicPosts: 3,430
    Honestly, I base my upgrades on games.  If I can't run the games anymore, I upgrade.  Otherwise, meh.

    I self identify as a monkey.

  • filmoretfilmoret Member EpicPosts: 4,906
    Malabooga said:
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    And the Sandra tests are very weird too, they aren't pure CPU speed tests.

    To be totally fair by the way, comparison should me made with both chips at their maximum stable overclock, since they are both "K" CPUs. I doubt the 2600k can get much higher, but the 7700k goes up to 4.8ghz on "bad" chips. 2600k does 4.0ghz on "bad" chips, average is 4.5. So you're already 0.3ghz higher just from the average 2600k vs the "bad" 7700k.

    No denying though that Intel CPUs have extraordinary long "efficient" lifespans. I'm sure you can game at high settings nowadays with a 2600k, if you have a good graphic card to complement it.
    lol, here you go again

    http://www.anandtech.com/show/9483/intel-skylake-review-6700k-6600k-ddr4-ddr3-ipc-6th-generation/10

    and Sandy OCed like a beast, even 5 GHz wasnt anything unsual lol





    the only question is: why are you plain out lying lol

    over 6 generations Intel increased performance by whooping 25%.




    And here you go again trashing everything that isn't AMD.  
    Are you onto something or just on something?
  • VrikaVrika Member LegendaryPosts: 7,993
    The processors just haven't been developing that much.

    Same holds true also for AMD: The speed difference between Bulldozer family processors first released in 2011 and the processors sold today is really small.


    Here's hoping 2017 will change it and we'll see some good processor development, because if things continue as they are it's only a matter of time before ARM processors will be serious competitors in desktop computers.
     
  • holdenhamletholdenhamlet Member EpicPosts: 3,772
    Loke666 said:
    The CPU is not improving as fast as the late 90s early 00s. I think I will keep my 5820K for a few more years...

    But we seen things slow and speed up depending on when new tech comes out before. We will certainly see a huge leap again within 10 years. 

    I think part of the reason is they've gotten to the point where they can handle everything you throw at it awhile ago.  What's the point of a super CPU if you don't need it on a personal computer for literally anything.

    I have a 6700k and I definitely do not use all of its potential, and I'm playing online games which is the most demanding thing most people will use a CPU for.
  • MalaboogaMalabooga Member UncommonPosts: 2,977
    edited January 2017
    Malabooga said:



    the only question is: why are you plain out lying lol

    My question would be: why are you posting such biased bullshit? Ah yes, because you're the local AMD fanboi.

    Just for haswell, the stock clock of the top range I7 is 4.0ghz, and not 3.5ghz.

    And to reach 5ghz with a Sandy Bridge I7, you better had some awesome cooling. Nice try posting the very rare exception and trying to make it pass as a generality.

    But whatever. I still hope your beloved "Zen" will be great, so prices of all CPUs drop.
    YOu kinda got it backwards, i post FACTS you post bullshit.

    And to get to 5GHz on 7700k youll need beefeiest water cooling you can find and it will still run 90c lol

    AVERAGE of > 60000 tested CPUs in now "rare exception" <- prime example of kind of bullshit you post.

    You have no clue whatsoever on the matter. Its exactly this king of missinformation and plain out lies that most people are exposed to so they cant get real information but your kind of BS.
    filmoret said:
    Malabooga said:
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    And the Sandra tests are very weird too, they aren't pure CPU speed tests.

    To be totally fair by the way, comparison should me made with both chips at their maximum stable overclock, since they are both "K" CPUs. I doubt the 2600k can get much higher, but the 7700k goes up to 4.8ghz on "bad" chips. 2600k does 4.0ghz on "bad" chips, average is 4.5. So you're already 0.3ghz higher just from the average 2600k vs the "bad" 7700k.

    No denying though that Intel CPUs have extraordinary long "efficient" lifespans. I'm sure you can game at high settings nowadays with a 2600k, if you have a good graphic card to complement it.
    lol, here you go again

    http://www.anandtech.com/show/9483/intel-skylake-review-6700k-6600k-ddr4-ddr3-ipc-6th-generation/10

    and Sandy OCed like a beast, even 5 GHz wasnt anything unsual lol





    the only question is: why are you plain out lying lol

    over 6 generations Intel increased performance by whooping 25%.




    And here you go again trashing everything that isn't AMD.  
    I dont make claims that have no connection with reality or lies i deal only with FACTs. But we got a glimpse of your PC slizz, so...yeah lol
  • QuizzicalQuizzical Member LegendaryPosts: 25,521
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    It depends tremendously on what you're doing.  Kaby Lake will beat Sandy Bridge by wide margins in anything that makes extensive use of AVX, FMA, or any other features or instructions that Kaby Lake supports and Sandy Bridge doesn't.  But that's what makes getting good comparisons so hard.

    To leave CPUs for a moment and talk about GPUs, it's basically trivial to come up with a benchmark in which the Radeon RX 480 will beat a Pascal-based GeForce GTX Titan X outright.  It's likewise easy to come up with a benchmark where the RX 480 will lose to a GeForce GTX 1050.  This isn't just weird synthetics, either; an RX 480 beating a Titan X outright happens in at least one class of algorithms that real people care about for their own sake--and that makes sense to run on a GPU.

    If you want to compare a Radeon RX 480 to a GeForce GTX 1060, finding situations where either doubles the performance of the other is pretty easy to do.  But that doesn't mean that such results are typical.  If you're asking how much faster Kaby Lake is than Sandy Bridge, the critical question is, faster at what?  Because there is no such thing as a "typical" or "average" workload.
  • QuizzicalQuizzical Member LegendaryPosts: 25,521
    Vrika said:
    The processors just haven't been developing that much.

    Same holds true also for AMD: The speed difference between Bulldozer family processors first released in 2011 and the processors sold today is really small.


    Here's hoping 2017 will change it and we'll see some good processor development, because if things continue as they are it's only a matter of time before ARM processors will be serious competitors in desktop computers.
    If you're comparing Bulldozer to Piledriver (which is still the latest FX-series CPU), that's only one generation apart.  If you're comparing Zambezi to Bristol Ridge, you're comparing an older 8-core CPU to a newer 4-core, so it shouldn't be surprising that 8 cores wins sometimes.

    But more fundamentally, if one processor architecture is very heavily derivative of the previous, we shouldn't expect huge performance gains from it.  Twenty years ago, that wasn't the case, as you could have a new processor of basically the same architecture as the previous but clocked a lot higher.  That died around 2004 as physics put up a clock speed wall around 4 GHz.
  • gervaise1gervaise1 Member EpicPosts: 6,919
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    <snip>
    Which is backed up by Tomshardware's when they looked at Skylake:

    "Sandy Bridge and Ivy bridge are both getting pretty old by now, and upgrading to Skylake will yeld a 30-45% (45% if your a sandy user) increase in performance. You will also get the latest technologies from Skylake, namely power efficiency, a variety of USB ports, high speed LAN, and probably the biggest upgrade will be high speed storage. Together, all these features makes it a worthy upgrade to Skylake."

    http://www.tomshardware.co.uk/faq/id-2752766/skylake-upgrade.html

    So Skylake 45% faster than Sandy - and Kaby is faster than Skylake.

    As many people have said however whilst extra cpu speed is good a lot of the advancements are in other stuff such as mentioned in the summary.
  • QuizzicalQuizzical Member LegendaryPosts: 25,521
    gervaise1 said:
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    <snip>
    Which is backed up by Tomshardware's when they looked at Skylake:

    "Sandy Bridge and Ivy bridge are both getting pretty old by now, and upgrading to Skylake will yeld a 30-45% (45% if your a sandy user) increase in performance. You will also get the latest technologies from Skylake, namely power efficiency, a variety of USB ports, high speed LAN, and probably the biggest upgrade will be high speed storage. Together, all these features makes it a worthy upgrade to Skylake."

    http://www.tomshardware.co.uk/faq/id-2752766/skylake-upgrade.html

    So Skylake 45% faster than Sandy - and Kaby is faster than Skylake.

    As many people have said however whilst extra cpu speed is good a lot of the advancements are in other stuff such as mentioned in the summary.
    That depends a lot on whether you count overclocking.  If you're comparing a Core i7-2600K at a stock clock of 3.4 GHz to a Core i7-7700K at a stock clock of 4.2 GHz, then yes, the latter is a lot faster than the former, and I could easily believe around 45% at a lot of things.  If you're comparing a Core i7-2600K overclocked to 4.7 GHz to a Core i7-7700K overclocked to 4.6 GHz, the performance difference will be considerably smaller.
  • gervaise1gervaise1 Member EpicPosts: 6,919
    edited January 2017
    Cleffy said:
    <snip> If AMD does fall it would mean a company like Qualcomm or Samsung would get the x86 license by buying up AMD in bankruptcy so Intel does not retain a monopoly. They would offer too much competition by comparison and may eat up a lot of their market share.
    Intel has had seen mobile as the way ahead for some years - which is why it shifted its focus from simple "more processing power" to "more processing power per watt". A fundamental shift that has underpinned the growth and success of the company for several years now.

    Consequently Qualcomm has been a competitor for some time - whose market cap is sometimes more than Intel's (depending on respective share prices); ARM as well - now part of Softbank - having been bought in mod-2016 for £23.4 billion.

    AMD, by comparison, is tiny. Lower market cap, fewer employees, lower sales etc.  
  • gervaise1gervaise1 Member EpicPosts: 6,919
    Ridelynn said:
    http://www.hardocp.com/article/2017/01/13/kaby_lake_7700k_vs_sandy_bridge_2600k_ipc_review/1

    Interesting article. They take a 2600K and a 7700K and clock them both to 4.5 to see what the difference in architectures bring in non-GPU limited scenarios. There are some other minor differences (DDR3 vs DDR4), but, as the test results show, they don't appear to be very relevant to the results.

    the tl;dr

    The Kaby architecture presents about a 20% increase over Sandy. That's 20%, over the course of 6 full generations of chips. In some benchmarks it was a bit less, some a bit more, but overall around 20%.
    Now if only they had provided power consumption figures.
  • botrytisbotrytis Member RarePosts: 3,363
    Intel CPU's have been known for a while now, as giving very small incremental differences, if any, any more, in real world benchmarks. This is due to the fact they really had no competition.


    AMD and RYZEN will be good for consumers and a way to push Intel into actually making better CPU's/


  • RidelynnRidelynn Member EpicPosts: 7,383
    edited January 2017
    gervaise1 said:
    Ridelynn said:
    http://www.hardocp.com/article/2017/01/13/kaby_lake_7700k_vs_sandy_bridge_2600k_ipc_review/1

    Interesting article. They take a 2600K and a 7700K and clock them both to 4.5 to see what the difference in architectures bring in non-GPU limited scenarios. There are some other minor differences (DDR3 vs DDR4), but, as the test results show, they don't appear to be very relevant to the results.

    the tl;dr

    The Kaby architecture presents about a 20% increase over Sandy. That's 20%, over the course of 6 full generations of chips. In some benchmarks it was a bit less, some a bit more, but overall around 20%.
    Now if only they had provided power consumption figures.
    They talk about this some on their forums.

    There were a few reasons he didn't give power numbers:

    A ) His tools for measuring CPU power draw on the motherboard didn't work with the Z67 motherboard he was using for the Sandy Bridge. He could have done at-the-wall power, but...

    B ) This was more to look at IPC gains in a desktop environment, where power draw really isn't that critical.

    C ) Your looking at overclocks of some sort on both chips, and that's going to skew power draw away from stock considerably. Without a good number of chips to be able to draw an average from, your looking at the silicon lottery again.
  • MalaboogaMalabooga Member UncommonPosts: 2,977
    edited January 2017
    gervaise1 said:
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    <snip>
    Which is backed up by Tomshardware's when they looked at Skylake:

    "Sandy Bridge and Ivy bridge are both getting pretty old by now, and upgrading to Skylake will yeld a 30-45% (45% if your a sandy user) increase in performance. You will also get the latest technologies from Skylake, namely power efficiency, a variety of USB ports, high speed LAN, and probably the biggest upgrade will be high speed storage. Together, all these features makes it a worthy upgrade to Skylake."

    http://www.tomshardware.co.uk/faq/id-2752766/skylake-upgrade.html

    So Skylake 45% faster than Sandy - and Kaby is faster than Skylake.

    As many people have said however whilst extra cpu speed is good a lot of the advancements are in other stuff such as mentioned in the summary.
    nonesense. Its random crap, not even test you linked lol

    Its same kind of BS you were exposed to so far.

    but you dodnt even read it correctly:

    "For haswell users, it's a no in general. The key advantage of Skylake is feature set, not performance. So if your looking for a good boost in speed then don't switch to Skylake, rather switch to Haswell-E which is a massive boost in performance to Haswell and Skylake.

    Another good reason to not upgrade is overclocking. Your i5 K sku or i7 K sku overclocked at 4.5Ghz or beyond is actually a little bit faster than the 6600K or 6700K at stock speeds. While you could upgrade and overclock, would a 10% increase in performance be worth $500 of parts?

    Now, if your the select few that uses lots of usb C and USB 3.1 devices, plus you need high speed storage from twin M.2 slots then upgrading makes perfect sense."


    the only thing he said is the platforn, NOT speed. And since hardly anyone actually uses new stuff it completely pointless lol


    Uneducated people mix OCed and stock. And thats why i said that buying locked Intels CPus is waste of money.

    For instance: if you bought unlocked Sandy Bridge, youre fine even today, as someone buying latest and greates from Intel gets ~20% improvement. If you bought 2500k/2600k you have faster CPU than ANY Kaby Lake i5/i77xxx chip except -k Kaby Lake becuase OC frequency will easily nullify ANY IPC improvemments Kaby Lake has over Sandy Bridge lol

    OTOH. if you bought locked chip, especially lowest clocked SKU youre screwed as newer chips have higher frequencies (and especially Sandy Bridge had low stock frequencies)

    Sandy Bridge is still best generation Intel have done, all after that has been mish mash "it uses a little less power (useless on a desktop) with 3% IPC improvement". Well, Kaby Lake didnt get even that. its straight Skylake rebrand with 200-300 MHz higher stock clocks and 100-200 MHZ better OC.


    Wont even comment on the "genius" that thinks that over 60000 chips isnt good sample to see what these chips can do lol
    Post edited by Malabooga on
  • gervaise1gervaise1 Member EpicPosts: 6,919
    Malabooga said:
    gervaise1 said:
    The 6700k is already 15% faster than a 4790k at same clock speed... so I'm highly dubious about those tests.
    <snip>
    Which is backed up by Tomshardware's when they looked at Skylake:

    "Sandy Bridge and Ivy bridge are both getting pretty old by now, and upgrading to Skylake will yeld a 30-45% (45% if your a sandy user) increase in performance. You will also get the latest technologies from Skylake, namely power efficiency, a variety of USB ports, high speed LAN, and probably the biggest upgrade will be high speed storage. Together, all these features makes it a worthy upgrade to Skylake."

    http://www.tomshardware.co.uk/faq/id-2752766/skylake-upgrade.html

    So Skylake 45% faster than Sandy - and Kaby is faster than Skylake.

    As many people have said however whilst extra cpu speed is good a lot of the advancements are in other stuff such as mentioned in the summary.
    nonesense. Its random crap, not even test you linked lol

    Its same kind of BS you were exposed to so far.

    but you dodnt even read it correctly:

    For haswell users, it's a no in general. The key advantage of Skylake is feature set, not performance. So if your looking for a good boost in speed then don't switch to Skylake, rather switch to Haswell-E which is a massive boost in performance to Haswell and Skylake.

    Another good reason to not upgrade is overclocking. Your i5 K sku or i7 K sku overclocked at 4.5Ghz or beyond is actually a little bit faster than the 6600K or 6700K at stock speeds. While you could upgrade and overclock, would a 10% increase in performance be worth $500 of parts?

    Now, if your the select few that uses lots of usb C and USB 3.1 devices, plus you need high speed storage from twin M.2 slots then upgrading makes perfect sense.

    the only thing he said is theplatforn, NOT speed. And since hardly anyone actually uses new stuff it completely pointless lol
    I just linked to a random crap site called Tomshardware. Infamous for not testing stuff before they produce a summary. Lol indeed.

    And I read it perfectly. The OPs post is about Sandy - not Haswell. The OPs article was also about Kaby. So - because I did read the OPs post I pointed out that the summary was a comparison with Skylake. Why do you talk about Haswell though - can't read? Newslash: if you own Skylake there is even less reason to upgrade to Kaby. 

    As for feature sets sure mileage will vary. In the opinion of what you consider a random crap site called Tomshardware though the combination of speed & features was sufficient to merit an upgrade. And it tested Sandy to Skylake overall at 45%.
  • filmoretfilmoret Member EpicPosts: 4,906
    Running them at the same clock speed is not a good comparison.  Unless the 7700 is just an overclocked 2600.  But when they are running at their normal clock speed then the 7700 is about 50% faster.  TBH if you can overclock the 2600 to 4.5hz then you can overclock the 7700 to 5.3hz.

    This article kinda just kicks itself in the rear because the test subjects are being altered instead of using factory specifications.
    Are you onto something or just on something?
  • QuizzicalQuizzical Member LegendaryPosts: 25,521
    filmoret said:
    Running them at the same clock speed is not a good comparison.  Unless the 7700 is just an overclocked 2600.  But when they are running at their normal clock speed then the 7700 is about 50% faster.  TBH if you can overclock the 2600 to 4.5hz then you can overclock the 7700 to 5.3hz.

    This article kinda just kicks itself in the rear because the test subjects are being altered instead of using factory specifications.
    You're ignoring that Sandy Bridge is a legendarily good overclocker.  As a fraction of base clock speed, Sandy Bridge can typically be overclocked much, much further than Sky Lake, and almost certainly also Kaby Lake.  If you get a 2600K and overclock it to 4.5 GHz, you're probably giving up a quite a bit of speed that you could have had.  If you get a 7700K and overclock it to 5.3 GHz, good luck keeping that stable without exotic cooling.
  • WizardryWizardry Member LegendaryPosts: 19,332
    I have been using computers for many years  now and i have seen similar the entire span of 35 years.

    I touched on this several times to not trust big numbers on websites advertising new hardware.You get it home and it almost always performs worse.
    Nobody buys a PC to simply run benchmarks lol,you need to test a machine on the application you plan on using it for as NOTHING else matters.

    Never forget 3 mile Island and never trust a government official or company spokesman.

  • RidelynnRidelynn Member EpicPosts: 7,383
    filmoret said:
    Running them at the same clock speed is not a good comparison.  Unless the 7700 is just an overclocked 2600.  But when they are running at their normal clock speed then the 7700 is about 50% faster.  TBH if you can overclock the 2600 to 4.5hz then you can overclock the 7700 to 5.3hz.

    This article kinda just kicks itself in the rear because the test subjects are being altered instead of using factory specifications.
    Well, the goal is to kind of test out the differences between the architectures, so you can see the engineering improvements that have went into the various generations. The best way to do that is to isolate and eliminate as many variables as you can. Clock speed is one such variable, and that's why the two chips were set to an identical number that both could easily achieve, as opposed to "the best overclock" that either could get, or stock speeds.

    The point was not to see how much faster a 7700K is than a 2600K, it was to see how much Kaby Lake improved over Sandy Bridge. If those two statements mean the same thing to you, then you are not the intended audience for the article.




  • MalaboogaMalabooga Member UncommonPosts: 2,977
    edited January 2017
    Quizzical said:
    filmoret said:
    Running them at the same clock speed is not a good comparison.  Unless the 7700 is just an overclocked 2600.  But when they are running at their normal clock speed then the 7700 is about 50% faster.  TBH if you can overclock the 2600 to 4.5hz then you can overclock the 7700 to 5.3hz.

    This article kinda just kicks itself in the rear because the test subjects are being altered instead of using factory specifications.
    You're ignoring that Sandy Bridge is a legendarily good overclocker.  As a fraction of base clock speed, Sandy Bridge can typically be overclocked much, much further than Sky Lake, and almost certainly also Kaby Lake.  If you get a 2600K and overclock it to 4.5 GHz, you're probably giving up a quite a bit of speed that you could have had.  If you get a 7700K and overclock it to 5.3 GHz, good luck keeping that stable without exotic cooling.
    You cant OC 7700k to 5,3 GHz. Even 5 GHz is big lottery lol and yeah thats WITH exotic cooling, on air all you can do if fry your chip (it will throttle anyway)

    theres a good reason why Intel locks its chips adn why it charges retarded tax for "privilege" of OCing, because as everyone can see, if you have OCable -k Sandy Bridge, 6 generations later you have no reason whatsoever to upgrade performance wise as most youll get is ~25% but more like ~20%, if you dont - youre screwed lol

    And i think i have mentioned quite a few times now how non -k chips from Intel are very bad buy. Thats also why i3 was very bad buy and why now Intel charges 190$ for unlocked i3 (whch is more than i5) and here are results of 5GHz 190$ i3 OCed to 5GHz (lottery to even achieve) against stock 180$ i5 6500



    so after you buy expencive Z270 mobo (so you can OC), expencive cooler, are lucky to even reach 5 GHz, pay more for the chip, then that OCed chip uses more power than i7, its STILL slower than 3,2 GHz 6500 lol

    Now, if you could OC cheapest 110$ i3 on cheaper motherboard.....that would kill any i5 sales except unlocked i5s lol etc etc but Intel says no, you have to buy more expencive chip with more expencive mobo/cooling and still end up with something a bit slower, which kills whole point of OCing i3

    Post edited by Malabooga on
  • QuizzicalQuizzical Member LegendaryPosts: 25,521
    Malabooga said:
    Quizzical said:
    filmoret said:
    Running them at the same clock speed is not a good comparison.  Unless the 7700 is just an overclocked 2600.  But when they are running at their normal clock speed then the 7700 is about 50% faster.  TBH if you can overclock the 2600 to 4.5hz then you can overclock the 7700 to 5.3hz.

    This article kinda just kicks itself in the rear because the test subjects are being altered instead of using factory specifications.
    You're ignoring that Sandy Bridge is a legendarily good overclocker.  As a fraction of base clock speed, Sandy Bridge can typically be overclocked much, much further than Sky Lake, and almost certainly also Kaby Lake.  If you get a 2600K and overclock it to 4.5 GHz, you're probably giving up a quite a bit of speed that you could have had.  If you get a 7700K and overclock it to 5.3 GHz, good luck keeping that stable without exotic cooling.
    You cant OC 7700k to 5,3 GHz. Even 5 GHz is big lottery lol and yeah thats WITH exotic cooling, on air all you can do if fry your chip (it will throttle anyway)
    By "exotic cooling", I didn't mean water.  I meant sub-ambient.  And I'd be very surprised if liquid nitrogen isn't able to reliably get a 7700K far past 5.3 GHz.
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