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Processors comparison

Ryzen Threadripper 9960X vs Ryzen Threadripper PRO 9955WX

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 Threadripper 9960X
£1325.47at Scan
Checked 20 Oct 2026. Confirm at the retailer.
View at Scan
AMD
Ryzen Threadripper PRO 9955WX
£1510.00at eBay UK
Checked 16 Mar 2026. Confirm at the retailer.
View at eBay

Key differences

  • Both use the sTR5 socket. Check a motherboard's CPU support list before swapping one for the other; older boards can need a BIOS update.
  • The Ryzen Threadripper 9960X has 24 cores / 48 threads; the Ryzen Threadripper PRO 9955WX has 16 cores / 32 threads.
  • The Ryzen Threadripper 9960X is £184.53 cheaper at its lowest listed new price (£1325.47 against £1510.00).

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 Threadripper 9960XRyzen Threadripper PRO 9955WX
Platform
SocketDecides which motherboards the processor fits.sTR5sTR5
Memory supportDDR5DDR5
ArchitectureUnknownUnknown
SeriesAMD Ryzen ThreadripperAMD Ryzen Threadripper PRO
Cores and clocks
Cores24Higher16
Threads48Higher32
Max boost clock5.4 GHz5.4 GHz
Power and cooling
Rated TDPThe maker's thermal design rating, not measured power draw.350 W350 W
Cooler in the boxNoNo
Features
Integrated graphicsWithout it you need a graphics card to get a picture.NoNo

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Prices are the lowest listed new price from retailers we track, checked on the date shown, and can change. We may earn a commission from retailer links. How it works