News Intel Core i7-12700K Review: Flagship i9 Gaming Performance at i7 Pricing

Page 2 - Seeking answers? Join the Tom's Hardware community: where nearly two million members share solutions and discuss the latest tech.

BeedooX

Reputable
Apr 27, 2020
71
53
4,620
Wow, Intel 12900K is upping desktop performance even with DDR4 memory. I think it was a mistake that I recently built a 5950X system. Sure, it's fast, but I should have waited for Alder Lake.
Hardly a mistake; whether you bought Intel's 11K, 12K or AMD's 5000 series CPU's, they're all stupidly fast, I can't see how you could make a mistake at all.
 
  • Like
Reactions: spentshells

M42

Reputable
Nov 5, 2020
99
48
4,560
Hardly a mistake; whether you bought Intel's 11K, 12K or AMD's 5000 series CPU's, they're all stupidly fast, I can't see how you could make a mistake at all.
Single-core performance is one of the biggest factors in gaming and most of the other applications I run (e.g., PhotoShop, SolidWorks, etc.). For the same amount of money (or less) I could have had a system with significantly faster single-core performance. Also, I've some reliability problems (lockups and reboots) in my 5950x system that I never had before in previous (Intel) builds.
 
Oct 8, 2021
40
9
35
Single-core performance is one of the biggest factors in gaming and most of the other applications I run (e.g., PhotoShop, SolidWorks, etc.). For the same amount of money (or less) I could have had a system with significantly faster single-core performance. Also, I've some reliability problems (lockups and reboots) in my 5950x system that I never had before in previous (Intel) builds.

Single core performance ? you got the 16 cores chip , people who want single core performance dont get more cores ...
 

M42

Reputable
Nov 5, 2020
99
48
4,560
Single core performance ? you got the 16 cores chip , people who want single core performance dont get more cores ...
I don't believe that is always true. If money is not the object then someone might choose the fastest possible performer. I provided a link below to the ranked single-core performance scores for most CPUs. Note that the single-core performance of a 5600x is not faster than a 5950x. In fact, the 5800x, 5900x, and 5950x have almost exactly the same single-core performance, so it makes sense to choose a 5950x if you can afford one. And, many of the higher-end Intel CPUs have higher single-core clock limits, so you usually will get faster single-core performance from CPUs with more cores.

https://www.cpubenchmark.net/singleThread.html
 

spongiemaster

Admirable
Dec 12, 2019
2,278
1,281
7,560
Single core performance ? you got the 16 cores chip , people who want single core performance dont get more cores ...
Not true. Especially with Intel, the higher in the stack you go, the higher the chip will boost. 10 core 109000k has low core boost to 5.2Ghz. The fastest quadcore 10 series you can buy is the i3-10320 has a max boost of 4.6Ghz. That additional 600Mhz will make the 10900k a measurably faster single core performer.
 

BeedooX

Reputable
Apr 27, 2020
71
53
4,620
Single-core performance is one of the biggest factors in gaming and most of the other applications I run (e.g., PhotoShop, SolidWorks, etc.). For the same amount of money (or less) I could have had a system with significantly faster single-core performance. Also, I've some reliability problems (lockups and reboots) in my 5950x system that I never had before in previous (Intel) builds.
I still think you're being a bit nit-picky, but it depends on your values I guess. Once upon a time I used to spend a <Mod Edit>-ton of money on everything 'fastest', but these days I don't care so much as everything is already pretty damn fast.

My old 2018 2950X Threadripper (which needs replacing) still plays any game I throw at it.

Keep chasing the ultimate if you like, but before you know it there'll be faster processors and GPU's , and if you've got money, you'll either buy those anyway.
 
Last edited by a moderator:
  • Like
Reactions: Sleepy_Hollowed

BeedooX

Reputable
Apr 27, 2020
71
53
4,620
I don't believe that is always true. If money is not the object then someone might choose the fastest possible performer.
I kind of agree - do you apply this same philosophy to the cars / bikes / video cards that you buy?

In my case money is less of a concern and so the last CPU I bought was a Threadripper. It always makes me chuckle when some people bleat about how they're not for gaming etc. but I don't care... it's my hobby and my money.

Providing I can actually get one - thanks to supply issues etc. my next CPU will be a Threadripper too - and I'll use it to play games. Depending on what happens on Black Friday, I might just build a 5950X platform just for laughs.
 
Last edited:

alan.campbell99

Honorable
Sep 11, 2017
32
3
10,545
Interesting. I did take note of the 'ageing AM4 platform' comment at the top. Personally I like having a platform that supports more than 1 or 2 CPU generations, they even went from PCIe 3 to 4 did they not? I have an X570 with a 3700X right now, my PC isn't getting a lot of use lately but I can look at a Zen 3 upgrade should I see the need to.
 
  • Like
Reactions: spentshells
Oct 8, 2021
40
9
35
Not true. Especially with Intel, the higher in the stack you go, the higher the chip will boost. 10 core 109000k has low core boost to 5.2Ghz. The fastest quadcore 10 series you can buy is the i3-10320 has a max boost of 4.6Ghz. That additional 600Mhz will make the 10900k a measurably faster single core performer.

Not when you are overclocking beyond the specs. and dont compare non OC CPU against OC (K) CPU please.
 
Oct 8, 2021
40
9
35
I don't believe that is always true. If money is not the object then someone might choose the fastest possible performer. I provided a link below to the ranked single-core performance scores for most CPUs. Note that the single-core performance of a 5600x is not faster than a 5950x. In fact, the 5800x, 5900x, and 5950x have almost exactly the same single-core performance, so it makes sense to choose a 5950x if you can afford one. And, many of the higher-end Intel CPUs have higher single-core clock limits, so you usually will get faster single-core performance from CPUs with more cores.

https://www.cpubenchmark.net/singleThread.html

you are ignoring the overclocking all together . it is harder to push more cores in OC than lower cores CPU ...
 

M42

Reputable
Nov 5, 2020
99
48
4,560
you are ignoring the overclocking all together . it is harder to push more cores in OC than lower cores CPU ...
Um... what are you talking about? I said I cared about single-core performance. By definition SINGLE CORE performance is measured using one core only, which is often the fastest core. It is not measured using all of the cores simultaneously.
 
  • Like
Reactions: Why_Me

Sleepy_Hollowed

Distinguished
Jan 1, 2017
512
200
19,270
Oh so about 10 fps on the games at 1080p only, and a bit faster than a year old AMD equivalent CPUs that thankfully because of this are getting discounted.

Still mad at that power usage, that requires some beefy cooling which... could be hard to find with the supplies of parts.
 
Good CPU; just a bit more power than ideal, but nothing too terrible, I guess?

I still think the i5 is the better pick for 99% of people, but I guess this being cheaper than the i9 with the full 8 P-cores has its value/place.

If only the Z690 boards were cheaper... Sigh...

Regards.
 

M42

Reputable
Nov 5, 2020
99
48
4,560
I kind of agree - do you apply this same philosophy to the cars / bikes / video cards that you buy?

In my case money is less of a concern and so the last CPU I bought was a Threadripper. It always makes me chuckle when some people bleat about how they're not for gaming etc. but I don't care... it's my hobby and my money.

Providing I can actually get one - thanks to supply issues etc. my next CPU will be a Threadripper too - and I'll use it to play games. Depending on what happens on Black Friday, I might just build a 5950X platform just for laughs.
Money is not a concern for me at all because it is for my business, but I hate wasting money when I could have purchased a more performant, and probably more reliable product. In fact, I've already acquired all of the parts I need to build a new 12900K DDR4 system, but I'll keep the 5950x system as a backup.
 
Money is not a concern for me at all because it is for my business, but I hate wasting money when I could have purchased a more performant, and probably more reliable product. In fact, I've already acquired all of the parts I need to build a new 12900K DDR4 system, but I'll keep the 5950x system as a backup.
Sorry, but if it is for your business, why did you get a 5950X and not a ThreadRipper as it seems you have a use case for the threads and the TR platform has way more PCIe lanes you can actually use for "pro" work? Not even counting the juicy Quad and Octo channel options, instead of the peasant Dual channel memory in mainstream.

Regards.
 

M42

Reputable
Nov 5, 2020
99
48
4,560
Sorry, but if it is for your business, why did you get a 5950X and not a ThreadRipper as it seems you have a use case for the threads and the TR platform has way more PCIe lanes you can actually use for "pro" work? Not even counting the juicy Quad and Octo channel options, instead of the peasant Dual channel memory in mainstream.

Regards.
Because, as said previously, the performance of applications I run (especially SolidWorks) are tied to single-core performance. None of the ThreadRippers have relatively high single-core performance.

https://www.cpubenchmark.net/singleThread.html
 

M42

Reputable
Nov 5, 2020
99
48
4,560
Because, as said previously, the performance of applications I run (especially SolidWorks) are tied to single-core performance. None of the ThreadRippers have relatively high single-core performance.

https://www.cpubenchmark.net/singleThread.html
For example, from the link I quoted above, the 3945WX is the ThreadRipper with the highest single-core performance at 2,714. However, the Intel 12900K's single-core performance is 4,157.

The 12900K is thus about 53% faster at single-threaded calculations than the ThreadRipper with the fastest single-core performance.
 
For example, from the link I quoted above, the 3945WX is the ThreadRipper with the highest single-core performance at 2,714. However, the Intel 12900K's single-core performance is 4,157.

The 12900K is thus about 53% faster at single-threaded calculations than the ThreadRipper with the fastest single-core performance.
Thanks for the explanation.

I still find strange how you're mixing the workloads, but I at least can see why the 5950X was the best choice for you at the time. if the "wide" loads are not as important, then the 10900K/10850K may have been a better pick for way less money? Well, I guess that's a bit too much nitpicking, but if it's for your business, nothing prevents you from selling the 5950X and getting the new i9, right? It's not like you won't be able to sell the 5950X platform and get back a good chunk of the money back. I guess it'll depend on your accounting, but you can do, right?

Regards.
 
  • Like
Reactions: spentshells

M42

Reputable
Nov 5, 2020
99
48
4,560
Thanks for the explanation.

I still find strange how you're mixing the workloads, but I at least can see why the 5950X was the best choice for you at the time. if the "wide" loads are not as important, then the 10900K/10850K may have been a better pick for way less money? Well, I guess that's a bit too much nitpicking, but if it's for your business, nothing prevents you from selling the 5950X and getting the new i9, right? It's not like you won't be able to sell the 5950X platform and get back a good chunk of the money back. I guess it'll depend on your accounting, but you can do, right?

Regards.
What do you mean by mixing workloads? Despite the number of cores, single-core performance is important for 95% of business applications run on a desktop. As I keep saying, I based my purchase decision on single-core performance because the applications I plan to run on THIS computer are sensitive to single-core performance. This 5950x system was my first AMD build. I built it because I figured it would be a while before DDR5 ram for Z690 became readily available. Plus, I figured I could drop in the next-gen AMD CPU when it becomes available.

However, I was surprised at how performant the 12900K with DDR4 turned out to be. In fact, it seems unlikely that the next-gen AMD CPU will have significantly faster single-core performance, but if it does I will have a system to drop a new CPU into. If not, I will have a 12900K system.
 
What do you mean by mixing workloads? Despite the number of cores, single-core performance is important for 95% of business applications run on a desktop. As I keep saying, I based my purchase decision on single-core performance because the applications I plan to run on THIS computer are sensitive to single-core performance. This 5950x system was my first AMD build. I built it because I figured it would be a while before DDR5 ram for Z690 became readily available. Plus, I figured I could drop in the next-gen AMD CPU when it becomes available.

However, I was surprised at how performant the 12900K with DDR4 turned out to be. In fact, it seems unlikely that the next-gen AMD CPU will have significantly faster single-core performance, but if it does I will have a system to drop a new CPU into. If not, I will have a 12900K system.
How you spread the workloads on the PC. Basically the time spend on tasks that actually "give you money" and justify the SP performance over the MT performance.

And, well, you have 1 more CPU gen (if AMD actually delivers) with Zen3D before AM5 comes with either Zen4 or a refresh of Zen3/3D/3+

Does anyone really care?
It matters for cooling requirements. Even if you're not going to use 100% of the potential power usage (full PL2), you still need to see how games make the power spike and settle. you can save a lot of money by not going the AIO route. Specially with the i9. The i7 is a bit more manageable, but still can draw 190W, so that is still not trivial to cool if you have workloads you use that require the CPU to go to 100%. If/when games use more than 6 hard threads consistently, the power usage will go up inevitably, so it's better to not flat out discard such measurements in reviews.

Regards.
 

M42

Reputable
Nov 5, 2020
99
48
4,560
How you spread the workloads on the PC. Basically the time spend on tasks that actually "give you money" and justify the SP performance over the MT performance.
That may take a while, if ever, if you are talking Zen3 vs Alder Lake, as I don't think there is a big performance win for Zen3 in real-life Multi-threaded apps. Take a look at this summary of common business applications:

 
Oct 8, 2021
40
9
35
Um... what are you talking about? I said I cared about single-core performance. By definition SINGLE CORE performance is measured using one core only, which is often the fastest core. It is not measured using all of the cores simultaneously.

when you overclock you dont overclock one core only you overclock all of them and the more cores you have the more heat it will generate to hit Higher clock beyond the CPU specs.
 

M42

Reputable
Nov 5, 2020
99
48
4,560
when you overclock you dont overclock one core only you overclock all of them and the more cores you have the more heat it will generate to hit Higher clock beyond the CPU specs.
Although you can overclock all cores, that doesn't mean you have to do so to get high single-core performance. By design, many of the modern CPUs will run a single core up to some limit, say 5.3 GHz. Once two cores are in use then the limit might be dropped to 5.1 GHz. As more cores are used the CPU automatically lowers the clock rate of all cores as needed. I like to use a Noctua NH-D15 for CPU cooling in my builds. This has been more than sufficient, and it is quieter than most liquid AIC's.

So, again, since most of the software I will be running on this computer don't take advantage of multi-threading, running stock is usually good enough. But, if I ever feel the need to tweak performance I can do that easily.