Key Differences
In short — Core i9-12900KF outperforms the cheaper Core i5-9400 on the selected game parameters. However, the worse performing Core i5-9400 is a better bang for your buck. The better performing Core i9-12900KF is 1112 days newer than the cheaper Core i5-9400.
Advantages of Intel Core i5-9400
- Up to 42% cheaper than Core i9-12900KF - £188.88 vs £323.97
- Up to 33% better value when playing Watch Dogs: Legion than Core i9-12900KF - £1.34 vs £1.99 per FPS
- Consumes up to 48% less energy than Intel Core i9-12900KF - 65 vs 125 Watts
- Works without a dedicated GPU, while Intel Core i9-12900KF doesn't have integrated graphics
Advantages of Intel Core i9-12900KF
- Performs up to 16% better in Watch Dogs: Legion than Core i5-9400 - 163 vs 141 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 24 vs 6 threads
Watch Dogs: Legion
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Oct 19th, 2018
FPS
141
86%
Value, £/FPS
£1.34/FPS
100%
Price, £
£188.88
100%
Value Winner
Buy for £188.88 on Amazon
In Stock
Updated 15909 minutes ago
Desktop • Nov 4th, 2021
FPS
163
100%
Value, £/FPS
£1.99/FPS
67%
Price, £
£323.97
58%
FPS Winner
Buy for £323.97 on Amazon
In Stock
Updated 15908 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Oct 19th, 2018
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Intel Core i5-9400 | vs | Intel Core i9-12900KF |
---|---|---|
Oct 19th, 2018 | Release Date | Nov 4th, 2021 |
Core i5 | Collection | Core i9 |
Coffee Lake | Codename | Alder Lake |
Intel Socket 1151 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
6 | Cores | 16 |
6 | Threads | 24 |
2.9 GHz | Base Clock Speed | 3.2 GHz |
4.1 GHz | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
14 nm | Process Size | 10 nm |
29.0x | Multiplier | 32.0x |
UHD 630 | Integrated Graphics | None |
No | Overclockable | Yes |