Buy on Amazon
£156.85
In Stock
Availability
Availability
AvailabilityMSRP in USD: $599
Availability
MSRP in USD: $599
Key Differences
In short — Core i9-12900K outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 1491 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 46% cheaper than Core i9-12900K - £156.85 vs £292.89
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Advantages of Intel Core i9-12900K
- Performs up to 7% better in Star Wars Jedi: Fallen Order than Core i5-8400 - 231 vs 216 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Star Wars Jedi: Fallen Order
Resolution
1920 x 1080
Game Graphics
Epic
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £156.85 on Amazon
In Stock
Updated 74319 minutes ago
Intel Core i9-12900K 12th Gen Alder Lake 16-Core 3.2 GHz LGA 1700 Processor-BX8071512900K
Buy for £292.89 on Amazon
In Stock
Updated 74318 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
51.6412213740458%
Multi-Core
4748
30.74134023955973%
Intel Core i5-8400 | vs | Intel Core i9-12900K |
|---|---|---|
| Oct 5th, 2017 | 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 |
| 2.8 GHz | Base Clock Speed | 3.2 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 10 nm |
| 28.0x | Multiplier | 32.0x |
| None | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
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