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: web-browsing and Microsoft Office (Word and Excel 2016) 

In Chrome version 58 we run the Jetstream benchmark in order to determine how fast the processor can perform Javascript-calculations. We also run two tests using Microsoft Office 2016: in Word we convert a document of 1000 pages to a PDF-file. In Excel we run calculations in a complex sheet that predicts the future value of a stock portfolio based on the Monte Carlo algorithm.

Chrome and Word are not or barely multi-threaded. Because of the higher IPC and clock speed Intel beats AMD here; the 8700K ends up at the top of the list. The Monte Carlo test in Excel is completely multithreaded; AMD is well represented here, but Intel does manage to achieve good results with less threads. 


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. £196.72
5 shops, no stock

Intel Core i5 8600K Boxed

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

Specifications Test results Reviews Prices

£269.99

Avg. £283.50
6 shops, 4x stock

Intel Core i7 8700K Boxed

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

Specifications Test results Reviews Prices

£377.99

Avg. £399.98
6 shops, 4x stock

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