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Processors comparison

Ryzen 9 7900 vs Core i9-13900KF

Specs, platform, power, size and UK prices side by side. Every value comes from the product listing; anything we don't hold is marked unknown.

AMD
Ryzen 9 7900
£302.47at Scan
Checked 20 Oct 2026. Confirm at the retailer.
View at Scan
Intel Core i9-13900KF (Raptor Lake) Socket LGA1700 Processor - Retail
Intel
Core i9-13900KF
£316.12at eBay UK
Checked 16 Mar 2026. Confirm at the retailer.
View at eBay

Key differences

  • Different platforms: the Ryzen 9 7900 uses AM5 and the Core i9-13900KF uses LGA 1700, so they need different motherboards.
  • The Ryzen 9 7900 has 12 cores / 24 threads; the Core i9-13900KF has 24 cores / 32 threads.
  • The Core i9-13900KF boosts to 5.7 GHz, 0.3 GHz higher than the Ryzen 9 7900.
  • The Ryzen 9 7900 is rated at 65 W TDP against 125 W, so it is easier to cool and puts less load on the power supply.
  • The Ryzen 9 7900 comes with a cooler in the box; budget for a separate cooler with the Core i9-13900KF.
  • The Ryzen 9 7900 is £13.65 cheaper at its lowest listed new price (£302.47 against £316.12).

Performance

We don't have measured benchmark results for these parts yet, and we don't publish estimated scores. Specs like core count, clock speed and video memory are a guide, not a measure of speed in games or apps.

Specifications

SpecificationRyzen 9 7900Core i9-13900KF
Platform
SocketDecides which motherboards the processor fits.AM5LGA 1700
Memory supportDDR5DDR5
ArchitectureZen 4Raptor Lake
SeriesAMD Ryzen 9Intel Core i9
Cores and clocks
Cores1224Higher
Threads2432Higher
Max boost clock5.4 GHz5.7 GHzHigher
Power and cooling
Rated TDPThe maker's thermal design rating, not measured power draw.65 W125 W
Cooler in the boxYesNo
Features
Integrated graphicsWithout it you need a graphics card to get a picture.YesUnknown

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