Processors comparison
Core i5-14400 vs Core Ultra 5 245KF
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 Core i5-14400 uses LGA 1700 and the Core Ultra 5 245KF uses LGA 1851, so they need different motherboards.
- The Core i5-14400 has 10 cores / 16 threads; the Core Ultra 5 245KF has 14 cores / 14 threads.
- The Core Ultra 5 245KF boosts to 5.2 GHz, 0.5 GHz higher than the Core i5-14400.
- The Core i5-14400 is rated at 65 W TDP against 125 W, so it is easier to cool and puts less load on the power supply.
- The Core i5-14400 has integrated graphics; the Core Ultra 5 245KF needs a graphics card to show a picture.
- The Core i5-14400 comes with a cooler in the box; budget for a separate cooler with the Core Ultra 5 245KF.
- Memory support differs: Core i5-14400 DDR4, DDR5, Core Ultra 5 245KF DDR5.
- The Core Ultra 5 245KF is £12.00 cheaper at its lowest listed new price (£185.47 against £197.47).
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 | Core i5-14400 | Core Ultra 5 245KF |
|---|---|---|
| Platform | ||
| SocketDecides which motherboards the processor fits. | LGA 1700 | LGA 1851 |
| Memory support | DDR4, DDR5 | DDR5 |
| Architecture | Raptor Lake Refresh | Arrow Lake |
| Series | Intel Core i5 | Intel Core Ultra 5 |
| Cores and clocks | ||
| Cores | 10 | 14Higher |
| Threads | 16Higher | 14 |
| Max boost clock | 4.7 GHz | 5.2 GHzHigher |
| Power and cooling | ||
| Rated TDPThe maker's thermal design rating, not measured power draw. | 65 W | 125 W |
| Cooler in the box | Yes | No |
| Features | ||
| Integrated graphicsWithout it you need a graphics card to get a picture. | Yes | No |
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