CPU Reviews System

Skylake-X review: Intel Core i9-7900X and the X299 platform

Introduction Intel's new X-Series consists of i5, i7, and reissued i9 processors, all of which require the same X299 chipset that comes with the LGA2066 socket. The S-series processors will continue to be used with the 200 chipset. In some applications and games, we've encountered performance trends that didn't match our expectations. Considering that Skylake X has a speed advantage due to higher clock speeds as well as new architectural... Intel has reduced the shared Last Level Cache (LLC-L3) and transferred it from an inclusive to a non-inclusive (but exclusive) approach. This was done with the help of an efficient caching algorithm that improves the hit rate of the L2 cache ... The Basin Falls X299 chipset The Kaby Lake-X and Skylake-X processors sit in an LGA2066 socket (R4), powered by an X299 chipset with 6 watts of power, underscoring Intel's strategy of using server chipsets for their HEDT- Li... Why should it always only hit AMD when a change of architecture leads to application-specific "collapses" in the expected performance or, more simply put, the CPU in certain applications simply does not... Ashes of the Singularity: Escalation Because we were just so nice, we continue the high-altitude flight of the overclocked Core i7-6950X, because even with this benchmark the optimization problem described above is very clear:... Grand Theft Auto V (DX11) GTA V restores the old pecking order and also shows two things. First, it's still an Intel domain, but AMD has made up for it with the Ryzen CPUs! It's really amazing how to deal with some fine... Project Cars (DX11) Even with Project Cars, the chemistry between the new CPU and the engine is right, even though it was observed time and again that all 10 cores clocked up to 4.0 GHz, even though they were not all busy. But we would... Introduction During the launch article of AMD's Ryzen 7 CPUs, we had already explained all workstation and HPC benchmarks in great detail and also questioned the background for many results in some cases even down to the last detail. En... Important preliminary remark Since Intel no longer realizes the contact between Die and Heatspreader by metallic solder at Skylake-X and Kaby Lake-X, but also uses cheaper TIM (Thermal Interface Material) to use the same way. Cooling with the Chiller crowbar In order to be able to achieve usable (overclocking) results, we had to switch from the normal water cooling to the Alphacool Ice Age Chiller 2000, as already mentioned in the previous chapter. ... What is left for us after all these pages as a summary? Intel's market leadership in recent years is ultimately based on a continuous offer of more or less large updates, which of course also this time a certain amount of expected...

Ashes of the Singularity: Escalation

Because we were just so nice, we continue the high-altitude flight of the overclocked Core i7-6950X, because even with this benchmark the optimization problem just described is very clear:

Both the Frametimes and the Uneveness index prove the whole thing quite impressively:

 

Battlefield 1 (DX11)

In contrast to the previous test, the world looks different again, even if all CPUs are very close together:

The Core i7-7700K is in the good midfield of the FPS, but at the latest with the frametime variances it has to swipe the sails and even let all tested Ryzen CPUs take the lead. So the real difference lies again with the immersion (frametimes) and not the absolute FPS values:

 

Deus Ex: Mankind (DX12)

AMD's parade horse also can't be re-seated by the Core i9-7900X. This DirectX12 game also shows that all AMD CPUs act at a similar level, but significantly better than the intel counterparts, which are also very close to each other. And all this with an Nvidia graphics card! However, we are only talking about the absolute FPS figures:

But even in the detail, all CPUs are very close together until you look at the Uneveness index. This reflects exactly what led to the better FPS result in the Ryzen CPUs: they run much smoother!

 

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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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