Intel Core i7 7740K and ASRock X299 Professional Gaming i7 spotted

Published: Mar 24th 2017, 16:02 GMT   Comments

Intel Core i7 7740K, first Kaby Lake X processor

In case you don’t remember, there have been rumors that Intel is planning to launch two architectures on X299 chipset: Kaby Lake X and Skylake X. The reason behind Kaby Lake X on HEDT platform is not exactly clear yet, especially when the chip in question is quad-core, but one could say that we are looking at budget-oriented high-end CPU.

Intel Core i7 7740K is not just an i7 7700K refresh. This processor requires a new socket (LGA2066) and as a result, new motherboard. It’s also worth adding that one of the most important changes from Kaby Lake S is a lack of integrated GPU. Apart from that, we have 100 MHz higher base clock and increased TDP (91W -> 112W).

The processor that was spotted at Sisoft database was using ASRock X299 Professional Gaming i7 motherboard, a motherboard no one has seen yet, and no one knows anything about it.

There are two results we can use for comparison, processor arithmetic, and multi-media:

It’s a close fight with Ryzen 5 1600:

Meanwhile, Ryzen 7 1800X offers better arithmetic performance, with comparable multimedia score:

Intel Kaby Lake-X is the first architecture that will launch in Intel X299 chipset. Later on, Intel will release Skylake-X with 6, 8 and 10-core configurations. Those processors will have more PCIE lanes than Kaby Lake X (up to 44, versus 16 lanes for KBL-X) and quad-channel memory support.

Intel and AMD processors
SpecificationsIntel Core i7-7700KIntel Core i7-7740KAMD Ryzen 7 1800X
CodenameKaby Lake SKaby Lake XZen
ChipsetIntel Z270/B250Intel X299AMD X370/B350
PackageLGA 1151LGA 2066AM4
4C / 8T
4C / 8T
8C / 16T
Base Clock(GHz)
4.2 GHz
4.3 GHz
3.6 GHz
Turbo Boost(GHz)
4.5 GHz
4.5 GHz
4.0 GHz
TDP91 W112 W95 W
GPUHD Graphics 630
DIMMs4, Dual Channel4, Dual Channel4, Dual Channel

Many thanks to API for the tip!

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