Ryzen 7 9800X3D vs Ryzen 7 7800X3D

Every Ryzen 7 9800X3D and Ryzen 7 7800X3D listing we price at UK shops, side by side: the cheapest new price we found for each, where it is, and the specs. Prices are before delivery, and change; each shows when we last read it.

Ryzen 7 9800X3D

Cheapest we found

£369.98

at Novatech, in stock, checked 14 Oct 2026

AMD Ryzen 7 9800X3D 8 Core Socket AM5 5.2GHz 3D V-Cache Processor - 100-100001084WOF

Priced at 5 shops we check: AWD-IT, Box, CCL Computers, Ebuyer, Novatech.

Ryzen 7 7800X3D

Cheapest we found

£332.99

at CCL Computers, in stock, checked 20 Oct 2026

AMD Ryzen 7 7800X3D Eight Core 5.0GHz Processor Socket AM5 - Retail

Priced at 5 shops we check: AWD-IT, Box, CCL Computers, Novatech, Scan.

What the numbers say

The cheapest Ryzen 7 7800X3D we found is £332.99 at CCL Computers, £36.99 (10%) less than the cheapest Ryzen 7 9800X3D at £369.98 from Novatech.
On our spec-based estimate (63 for the Ryzen 7 9800X3D, 61 for the Ryzen 7 7800X3D), the Ryzen 7 7800X3D gives 8% more estimated performance per pound at these prices.
In Blender's measured render benchmark the Ryzen 7 9800X3D scores 334 to the Ryzen 7 7800X3D's 264, 26% higher; per pound, the Ryzen 7 9800X3D renders 14% more.

Specs side by side

The most common value across the listings we price for each. Clocks vary a little by card maker.

Spec	Ryzen 7 9800X3D	Ryzen 7 7800X3D
Cores	8	8
Threads	16	16
Base Clock	4.7 GHz	4.2 GHz
Boost Clock	5.2 GHz	5 GHz
L3 Cache	96 MB	96 MB
TDP	120W	120W
Socket	AM5	AM5
Integrated Graphics	Radeon	Radeon

Performance and value

Figure	Ryzen 7 9800X3D	Ryzen 7 7800X3D
Estimated score (1 to 100)	63	61
Estimated score per £10	1.70	1.83
Blender render score (measured)	334	264

The estimated score is the figure shown on each product page and on processors by value, worked out from the most common specs above. Estimated from manufacturer specifications, not measured. Useful for comparing similar parts; actual performance varies by game, driver and system. Per £10 uses the cheapest price we found.

The Blender score is the median of real runs submitted to Blender Open Data. Higher is faster at rendering; it is not a gaming figure.

Ryzen 7 9800X3D listings, cheapest first

AMD Ryzen 7 9800X3D 8 Core Socket AM5 5.2GHz 3D V-Cache Processor - 100-100001084WOF£369.98

Ryzen 7 7800X3D listings, cheapest first

AMD Ryzen 7 7800X3D Eight Core 5.0GHz Processor Socket AM5 - Retail£332.99

More head to heads

See every processors price, the processors with the most performance per pound, or put either in a build with the PC builder.