CPU Reviews System

X299 Ultra-Light: Intel's Kaby Lake-X Core i7-7740X, Core i5-7640X and what to do

We want to precede today's test with a small episode that we experienced at a motherboard manufacturer when it came to Intel's request that kaby Lake-X still have a cheap board with only four memory banks. The Basin Falls X299 chipset The Kaby Lake-X processors sit in an LGA2066 socket (R4), powered by an X299 chipset with 6 watts of power consumption. The 14nm chiset supports an x4 DMI 3.0 connection, which provides a PCIe link between the ... What we noticed during testing We took a little more time to counter some of the anomalies we noticed when benchmarking the new Kaby Lake-X CPUs. To what extent the 3DMark is now really a reliable reference... Ashes of the Singularity: Escalation (DX12) Let's take the bow to the first game, which we have documented in as much detail as always. Purely in terms of computing power, there are no surprises and all CPUs are also fixed in time... Project Cars (DX12) This game demands the CPUs, but you don't actually need more than 4 real cores. Here, only clock counts and thus also the IPC. The Core i7-7740X can be overclocked and not overclocked. In... 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 As with Kaby Lake, Intel has no longer realized the contact between Die and Heatspreader by metallic solder at Kaby Lake-X, but is also available here on cheaper TIM (Thermal Interface material, i.e. neat heater... Cooling with the Chiller crowbar In order to achieve comparable results for the launch article of the Core i7-7900X, we use the Alphacool Ice Age Chiller 2000, as with all articles on AMD's Ryzen, which also has a load-independent, constank... Summary The bottom line is that the performance differences between Kaby Lake and Kaby Lake-X are rather marginal, but we haven't really found the meaning of this whole venture either. While the Vi...

Project Cars (DX12)

This game demands the CPUs, but you don't actually need more than 4 real cores. Here, only clock counts and thus also the IPC. The Core i7-7740X can be overclocked and not overclocked.

At this point, however, the frame-time variances, which are the worst for the non-overclocked Core i7-7740X, are interesting. This time, both Ryzen CPUs are slightly behind in the Uneveness index.

 

Rise of the Tomb Raider (DX11)

We again dispensed with the rather questionable DX12 implementation and took the DX11 variant instead. While the normal FPS numbers are still very close together and are therefore meaningless, we already see clear differences in the Min-FPS.

The only abnormalities we register with the pure frame times, the rest shows no abnormalities and the game runs butter-soft on all CPUs.

 

Shadow of Mordor (DX11)

All CPUs actually work on the same level because the graphics card is again limited. Nevertheless, there are tiny differences that cannot be seen in FPS numbers.

For this, let's look at the frame-time variances. Only the two Ryzen CPUs show slightly higher but reproducible deviations. However, they do not have a significant impact on the Uneveness index.

 

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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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