Ryzen 7 9800X3D vs Core Ultra 9 285K
Every Ryzen 7 9800X3D and Core Ultra 9 285K 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.
Core Ultra 9 285K
Cheapest we found
£491.99
at CCL Computers, in stock, checked 20 Oct 2026
Intel Core Ultra 9 285K 8+16 Core 3.70GHz LGA 1851 Processor - BX80768285K
Priced at 4 shops we check: AWD-IT, CCL Computers, Novatech, Overclockers UK.
What the numbers say
- The cheapest Ryzen 7 9800X3D we found is £369.98 at Novatech, £122.01 (25%) less than the cheapest Core Ultra 9 285K at £491.99 from CCL Computers.
- Our spec-based estimate does not compare AMD and Intel chips fairly, so we do not score them against each other.
- In Blender's measured render benchmark the Core Ultra 9 285K scores 562 to the Ryzen 7 9800X3D's 334, 68% higher; per pound, the Core Ultra 9 285K renders 27% 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 | Core Ultra 9 285K |
|---|---|---|
| Cores | 8 | 24 |
| Threads | 16 | 24 |
| Base Clock | 4.7 GHz | 3.7 GHz |
| Boost Clock | 5.2 GHz | 5.7 GHz |
| L3 Cache | 96 MB | 36 MB |
| TDP | 120W | 125W |
| Socket | AM5 | LGA1851 |
| Integrated Graphics | Radeon | Intel Xe |
Performance and value
| Figure | Ryzen 7 9800X3D | Core Ultra 9 285K |
|---|---|---|
| Blender render score (measured) | 334 | 562 |
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
Core Ultra 9 285K listings, cheapest first
More head to heads
- Ryzen 7 9800X3D vs Ryzen 7 7800X3D
- Ryzen 7 9800X3D vs Core Ultra 7 265K
- Ryzen 7 9800X3D vs Core i7-14700K
- Ryzen 7 9800X3D vs Ryzen 9 9950X3D
- Ryzen 7 9800X3D vs Ryzen 7 9700X
- Core Ultra 9 285K vs Ryzen 9 9950X
- Core Ultra 9 285K vs Core i9-14900K
See every processors price, the processors with the most performance per pound, or put either in a build with the PC builder.