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Intel Core i7-7740X ‘Kaby Lake-X’ 4C8T CPU Review (inc. 5.1GHz OC)

Ashes of the Singularity Escalation

Ashes of the Singularity Escalation is a Sci-Fi real-time strategy game built for the PC platform. The game includes a built-in benchmark tool with DirectX 12 support. We run the CPU-focused benchmark using DirectX 12, a 1080p resolution and the Extreme quality preset.

Ghost Recon Wildlands

Tom Clancy’s Ghost Recon Wildlands is an open world tactical shooter video game developed by Ubisoft Paris. It is the tenth instalment in the Tom Clancy’s Ghost Recon franchise and is the first Ghost Recon game to feature an open world environment.

We run the built-in benchmark using a 1080P resolution and the Very High quality preset.

Total War: Warhammer

Total War: Warhammer is another title which features both DX11 and DX12 modes. Heavy loading can be placed on the CPU using the built-in benchmark. The DX12 mode is poorly optimised and tries to force data through a low number of CPU threads rather than balance operations across multiple cores. As such, this gives a good look at pure gaming performance of each CPU in titles that aren’t well multi-threaded.

We run the built-in benchmark using the DirectX 12 mode, a 1080p resolution, and the Ultra quality preset.

Gaming Performance Overview:

Despite being heavily multi-threaded, Ashes of the Singularity Escalation positions the Core i7-7740X in a favourable position against AMD Ryzen competitors. The Kaby Lake-X CPU’s performance is very similar to that of the Kaby Lake i7-7700K, unsurprisingly.

Ghost Recon: Wildlands and Total War: Warhammer both spring the 7740X to the top of the charts. Ghost Recon is well multi-threaded but still benefits from the Kaby Lake-X CPU’s high clock speed. Even in its DX12 mode, Total War shoves data through a small number of threads, pinning one of them at 100% usage, and therefore becomes a race for clock speed and a strong, balanced architecture.

Gaming performance in DX12 titles is very strong with the Core i7-7740X. However, it is not significantly different to the performance shown by the 7700K and the only gaps will be driven by overclocking capacity on either CPU.

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