Intel Core i5 12600K and Core i9 12900K With ASUS ROG Maximus Z690 Hero Review

What's New?

Intel Core i5-12600K and Core i9-12900K Review

What's New?

As always with a new processor we get a selection of highlights from the manufacturer. We'll start with the at-a-glance headline features. Although naturally the first slide here is the type of claim you get from everyone, which is why we are here to discover how accurate it is.

Intel Core i5-12600K and Core i9-12900K Review  
Intel Core i5-12600K and Core i9-12900K Review  

This is the real meat of the 12th Gen CPUs. We know that DDR5 and PCI Express 5.0 will interest the bandwidth hungry user, but the efficiency cores are a whole different take on the idea of a processor. The Performance Cores are designed to be capable of huge clock speeds, a boon when you consider how few applications and games utilise all your system has to offer. The Efficient Cores are there as a helping hand once the going gets tough, but are also capable of taking care of the background stuff your OS asks, leaving the Performance Cores free to, ahem, perform.


Intel Core i5-12600K and Core i9-12900K Review  

The Thread Director is similar to the AMD Thread Scheduling, controlling what tasks get assigned where. This is designed specifically to work within the Windows 11 operating system and might go some way to explaining why Windows 11 was so bad for Ryzen processors at launch if Microsoft were focussing their efforts ensuring this new Intel tech worked properly.


Intel Core i5-12600K and Core i9-12900K Review  

That idea, regarding Windows 11 capabilities, also makes us wonder with the Intel 12th Gen cache architecture. Utilising combined L2 cache to exist as L3 cache, knowing that L3 cache is one of the areas on the Ryzen CPUs that Windows 11 really hampered their performance. Again, Windows 11 has been fixed since, but it is the kind of thing that makes us wonder how much influence Intel had in the development of Windows 11 task scheduling.


Intel Core i5-12600K and Core i9-12900K Review  

If we wondered whether the 11th Generation Intel CPUs were a stop-gap then the amount that is new on the 12th Generation seems to indicate it was. These new processors are new in almost every conceivable way, from how the processor is designed to the support for the very latest high bandwidth systems and technologies. One giant leap for mankind.


Intel Core i5-12600K and Core i9-12900K Review  

The importance of the Efficient-Cores shows up here, where the Core i9-12900K is able to give a serious boost to multicore performance without affecting power requirements, and at the same level of performance to the 11th Generation it's using barely any power at all. Naturally we're going to clock the bejeezus out of it, so we're interested in discovering the accuracy of this graph once we've opened all the taps.


Intel Core i5-12600K and Core i9-12900K Review  

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Most Recent Comments

04-11-2021, 13:21:36

robbiec
Have to say i'm a bit non plussed with the overall platform cost / efficiency compared to my current X570 & Ryzen R9 5950X.
Have a few questions Tom if I may,
- ref Win 11 & W10? Have you or will you be trying the new platform on Win 10?
- Looking at the power draw figures, am I right in thinking that Intel is still about 20% off AMD on 7nm taking thread count, platform (what is DDR5 in power, X690 in power) cost?
- What are boot times for 12th Gen and X690?

Thanks for the review.Quote

04-11-2021, 15:37:26

robert3892
Did you use the Windows 11 version with the fix for the Ryzen processors?Quote

04-11-2021, 16:00:35

Dicehunter
Oh well guess I have to throw my 5800X in the bin now /s

What res is the "Average FPS" section of the review ? Guessing 1080P ?Quote

04-11-2021, 16:36:57

Warchild
Quote:
Originally Posted by Dicehunter View Post
Oh well guess I have to throw my 5800X in the bin now.
I dont feel so bad now. Gaming wise i see little boost for me, but the temps are a definate pleaser.

Makes me wish I held out longer and got this Glacial instead of the Z590 when I see how good it looks, but Alder lake looks to be a success for sure.Quote

04-11-2021, 17:06:14

Dicehunter
Quote:
Originally Posted by Warchild View Post
I dont feel so bad now. Gaming wise i see little boost for me, but the temps are a definate pleaser.

Makes me wish I held out longer and got this Glacial instead of the Z590 when I see how good it looks, but Alder lake looks to be a success for sure.

Yeah gaming wise there won't be much in it at 1440P, I'm guessing the "Average FPS" section is at 1080P as it does not say, I never play at 1080P anymore so gaming wise 12th gen would not be an upgrade for me, Gonna wait for AMD's stacked cache 5800X see how that goes.Quote
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