Processors comparison
Ryzen 9 9900X3D vs Core i9-14900
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 9900X3D uses AM5 and the Core i9-14900 uses LGA 1700, so they need different motherboards.
- The Ryzen 9 9900X3D has 12 cores / 24 threads; the Core i9-14900 has 24 cores / 32 threads.
- The Ryzen 9 9900X3D boosts to 5.5 GHz, 0.1 GHz higher than the Core i9-14900.
- The Core i9-14900 is rated at 65 W TDP against 120 W, so it is easier to cool and puts less load on the power supply.
- The Core i9-14900 comes with a cooler in the box; budget for a separate cooler with the Ryzen 9 9900X3D.
- Memory support differs: Ryzen 9 9900X3D DDR5, Core i9-14900 DDR4, DDR5.
- The Ryzen 9 9900X3D is £49.99 cheaper at its lowest listed new price (£505.47 against £555.46).
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 9900X3D | Core i9-14900 |
|---|---|---|
| Platform | ||
| SocketDecides which motherboards the processor fits. | AM5 | LGA 1700 |
| Memory support | DDR5 | DDR4, DDR5 |
| Architecture | Zen 5 | Raptor Lake Refresh |
| Series | AMD Ryzen 9 | Intel Core i9 |
| Cores and clocks | ||
| Cores | 12 | 24Higher |
| Threads | 24 | 32Higher |
| Max boost clock | 5.5 GHzHigher | 5.4 GHz |
| Power and cooling | ||
| Rated TDPThe maker's thermal design rating, not measured power draw. | 120 W | 65 W |
| Cooler in the box | No | Yes |
| Features | ||
| Integrated graphicsWithout it you need a graphics card to get a picture. | Yes | Yes |
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