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)
£145.99
View Review →
AMD
AMD Ryzen 7 9700X Review: Zen 5 Performance at 65W TDP
★★★★½(2,496)
£242.76
View Review →
AMD
AMD Ryzen 7 9800X3D Review: The Best Gaming CPU in 2026
★★★★½(5,704)
£332.49
View Review →
Intel
Intel Core i7-10700K Review: Still Worth Buying in 2026?
★★★★½(1,649)
£285.55
View Review →
Intel
Intel Core i7-6700K Review (2026): Still Worth Buying?
★★★★½(2,542)
£100.00
View Review →Intel
Intel Core i9-9900K Review (2026): Still Worth Buying?
★★★★½(311)
£476.99
View Review →
Intel
Intel Core i5-14600K 3.5 Box Review UK (2026) - Benchmarked & Rated
★★★★½(454)
£229.99
View Review →
AMD
AMD Ryzen 7 7700X Review UK (2026) - Benchmarked & Rated | Vivid Repairs
★★★★½(3,173)
£160.47
View Review →
Thermalright
Thermalright CPU Contact Frame V2 LGA 1700 Review UK (2026) - Tested & Rated
★★★★½(278)
£12.90
View Review →
AMD
AMD Ryzen 9 9900X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,534)
£299.69
View Review →
AMD
AMD Ryzen 7 5800X3D Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(6,433)
£413.99
View Review →AMD
AMD Ryzen 9 7900X3D Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(3,173)
£160.47
View Review →AMD
AMD Ryzen 9 9950X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,064)
£454.00
View Review →AMD
AMD Ryzen 9 7900 Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(3,173)
£160.47
View Review →
AMD
AMD Ryzen 9 7900X Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(2,584)
£259.49
View Review →
AMD
AMD Ryzen 5 8600G Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(1,180)
£147.00
View Review →
AMD
AMD Ryzen 7 8700F Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(185)
£230.47
View Review →
AMD
AMD Ryzen 5 7600X Review: Gaming Performance, Specs and Verdict
★★★★½(5,716)
£137.49
View Review →AMD
AMD Ryzen 5 7600X Review: 2026 UK Verdict
★★★★½(3,173)
£160.47
View Review →
AMD
AMD Ryzen 5 8400F Review UK 2026 - Benchmarked, Tested & Rated
★★★★½(271)
£127.99
View Review →