Intel Core i7-7740X Kaby Lake-X Review

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Tom's Hardware Guide published a review on Intel Core i7-7740X Kaby Lake-X

A quote from the article:
Kaby Lake-X brings Intel's latest microrchitecture to the X299 platform with a very Core i7-7700K-like experience. Last month, Intel's Skylake-X processors debuted at lower price points than we might have expected, given the company's previous high-end desktop CPU launches. The new chips also feature hefty core counts, higher Turbo Boost frequencies, a revamped implementation of Turbo Boost Max 3.0, a realigned cache hierarchy, and a new mesh topology. If you haven't read our review yet, check out Intel Core i9-7900X Review: Meet Skylake-X.
Interestingly, the seven new Skylake-X models are accompanied by two quad-core Kaby Lake-X SKUs. In the past, Intel's entire HEDT portfolio lagged at least a generation behind the mainstream offerings. But Kaby Lake-X puts Intel's most modern architecture in the LGA 2066 interface.
It's only unfortunate that this attempt at rejuvenating the high-end desktop leads to a confusing mix of features on the X299 platform, many of which Kaby Lake-X simply does not support. Fewer PCIe lanes and a dual-channel memory controller are an obvious mismatch with expensive LGA 2066-equipped motherboards, and that's bound to create a dubious value proposition.
 Intel Core i7-7740X Kaby Lake-X Review @ Toms Hardware