Processors comparison
Ryzen 9 9950X3D vs Core Ultra 9 285K
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.
Key differences
- Different platforms: the Ryzen 9 9950X3D uses AM5 and the Core Ultra 9 285K uses LGA 1851, so they need different motherboards.
- The Ryzen 9 9950X3D has 16 cores / 32 threads; the Core Ultra 9 285K has 24 cores / 24 threads.
- The Core Ultra 9 285K is rated at 125 W TDP against 170 W, so it is easier to cool and puts less load on the power supply.
- The Ryzen 9 9950X3D is £20.00 cheaper at its lowest listed new price (£569.99 against £589.99).
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
| Specification | Ryzen 9 9950X3D | Core Ultra 9 285K |
|---|---|---|
| Platform | ||
| SocketDecides which motherboards the processor fits. | AM5 | LGA 1851 |
| Memory support | DDR5 | DDR5 |
| Architecture | Zen 5 | Arrow Lake |
| Series | AMD Ryzen 9 | Intel Core Ultra 9 |
| Cores and clocks | ||
| Cores | 16 | 24Higher |
| Threads | 32Higher | 24 |
| Max boost clock | 5.7 GHz | 5.7 GHz |
| Power and cooling | ||
| Rated TDPThe maker's thermal design rating, not measured power draw. | 170 W | 125 W |
| Cooler in the box | No | No |
| Features | ||
| Integrated graphicsWithout it you need a graphics card to get a picture. | Yes | Yes |
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