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The Reviewed CPUs

In the tables below, we compare the main features of the CPUs included in our review.

CPU Cores HT/SMT IGP Internal Clock Turbo Clock Core Tech. TDP Socket Price
Core i5-8400 6 No Yes 2.8 GHz 4.0 GHz Coffee Lake 14 nm 65 W LGA1151 USD 200
Ryzen 5 1500X 4 Yes No 3.5 GHz 3.7 GHz SUmmit Ridge 14 nm 65 W AM4 USD 190
Core i5-7400 4 No Yes 3.0 GHz 3.5 GHz Kaby Lake 14 nm 65 W LGA1151 USD 190
Core i7-8700K 6 Yes Yes 3.7 GHz 4.7 GHz Coffee Lake 14 nm 95 W LGA1151 USD 380
Ryzen 7 1700X 8 Yes No 3.4 GHz 3.8 GHz Sumit Ridge 14 nm 95 W AM4 USD 360
Core i7-7700K 4 Yes Yes 4.2 GHz 4.5 GHz Kaby Lake 14 nm 91 W LGA1151 USD 340

Below you can see the memory configuration for each CPU.

CPU L2 Cache L3 Cache Memory Support Memory Channels
Core i5-8400 6 x 256 KiB 9 MiB Up to DDR4-2666 2
Ryzen 5 1500X 4 x 512 MiB 2 x 8 MiB Up to DDR4-2666 2
Core i5-7400 4 x 256 MiB 6 MiB Up to DDR4-2400 2
Core i7-8700K 6 x 256 KiB 12 MiB Up to DDR4-2666 2
Ryzen 7 1700X 8 x 512 KiB 2 x 8 MiB Up to DDR4-2666 2
Core i7-7700K 4 x 256 KiB 8 MiB Up to DDR4-2400 2