Featured pick
Best CPUs Under £400
We tested 12 Best CPUs Under £400 in 2026. From budget Ryzen chips to high-performance Intel processors, find the right CPU for gaming, content creation & more.
Read ComparisonHands-on tested · independent
Processors
Processor reviews that treat value as a first-class metric. Every CPU is benchmarked with stock settings and measured against the nearest Intel or AMD counterpart.
AMD
AMD Ryzen 5 5600X Review: Best Budget Gaming CPU for AM4?
★★★★½(29,776)
£139.00
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AMD
AMD Ryzen 7 9700X Review: Zen 5 Performance at 65W TDP
★★★★½(2,496)
£239.00
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AMD
AMD Ryzen 7 9800X3D Review: The Best Gaming CPU in 2026
★★★★½(5,704)
£344.99
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Intel
Intel Core i7-10700K Review: Still Worth Buying in 2026?
★★★★½(1,649)
£285.55
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Intel
Intel Core i7-6700K Review (2026): Still Worth Buying?
★★★★½(2,542)
£100.00
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Intel Core i9-9900K Review (2026): Still Worth Buying?
★★★★½(311)
£476.99
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AMD
AMD Ryzen 5 3600 Review: Still Worth Buying in 2026?
★★★★½(8,391)
£187.99
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Intel
Intel Core i9-10900KF Review: Still Worth It in 2026?
★★★★½(150)
£439.00
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Intel
Intel Core i5-14600K 3.5 Box Review UK (2026) - Benchmarked & Rated
★★★★½(454)
£223.51
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AMD
AMD Ryzen 7 7700X Review UK (2026) - Benchmarked & Rated | Vivid Repairs
★★★★½(3,173)
£167.92
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Thermalright
Thermalright CPU Contact Frame V2 LGA 1700 Review UK (2026) - Tested & Rated
★★★★½(278)
£12.90
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AMD
AMD Ryzen 9 9900X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,534)
£299.29
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AMD
AMD Ryzen 7 5800X3D Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(6,433)
£413.99
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AMD Ryzen 9 7900X3D Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(3,173)
£167.92
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AMD Ryzen 9 9950X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,064)
£435.80
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AMD Ryzen 9 7900 Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(3,173)
£167.92
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Intel
Intel Core i5-11400 Review UK (2026) , 6 Cores, 4.4 GHz, LGA1200 Benchmarked & Rated
★★★★½(1,334)
£176.22
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AMD
AMD Ryzen 9 7900X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(2,584)
£259.49
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AMD
AMD Ryzen 5 8600G Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,180)
£149.99
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Intel
Intel Core i9 11900K Review UK (2026) - Benchmarked & Rated
★★★★½(1,546)
£453.00
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