Intel Core i7 8700K / i5 8600K / i5 8400 'Coffee Lake' review: affordable six cores!

More cores for the same price!

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Benchmarks: content creation (Adobe Lightroom, Photoshop and Premiere)

In order to analyze the performance of the processors for content creation, we perform several diverse tests using Adobe software.

In Adobe Lightroom 6 we export a big amount of RAW-photos to JPEG with diverse effects. In Adobe Photoshop CC 2017 we perform two tests. First, we measure how long it takes to perform commonly used edits on an image using a script. In the second test we measure how long it takes to convert several high resolution photos to a panorama. In our Adobe Premiere Pro 2017 benchmarks we determine how long it takes to export a fragment of Hardware.Info TV in 4k-resolution. This uses four source channels, each with colour correction and other diverse effects.

Lightroom is only multi-threaded to a certain extent. The 8700K manages to beat the 1800X with a difference of nearly ten seconds and even comes close to the Threadrippers. The 8400 outperforms the 7700K, as is the case with Photoshop video editing. In the Panorama benchmark we see that the 8700K ends up at the top, a result that is probably influenced by the single-core Turbo. With the rendering of Hardware.Info TV all cores can go to work, but the amount of threads does not seem to be a good indication for the result. The 1600X with its 12 threads managed to beat the 8400 with 6 threads, but not the 8600K. 


Compare

three products discussed in this review

  Product Lowest price

Intel Core i5 8400 Boxed

Socket 1151, 2.8 GHz, 6 cores, 65 W, 14 nm, Integrated graphics

Specifications Test results Reviews Prices

£191.49

Avg. £196.94
5 shops, no stock

Intel Core i5 8600K Boxed

Socket 1151, 3.6 GHz, 6 cores, 95 W, 14 nm, Integrated graphics, 0.055 Ah

Specifications Test results Reviews Prices

£269.97

Avg. £269.99
7 shops, 4x stock

Intel Core i7 8700K Boxed

Socket 1151, 3.7 GHz, 6 cores, 95 W, 14 nm, Integrated graphics, 0.055 Ah

Specifications Test results Reviews Prices

£395.99

Avg. £409.99
6 shops, 3x stock

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