Buy on Amazon
£226.48
In Stock
Availability
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Key Differences
In short — Core i7-11700K 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 i7-11700K is 1258 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i7-11700K
- Performs up to 5% better in Star Wars Jedi: Fallen Order than Core i5-8400 - 226 vs 216 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Advantages of Intel Core i5-8400
- Up to 31% cheaper than Core i7-11700K - £156.85 vs £226.48
- Consumes up to 48% less energy than Intel Core i7-11700K - 65 vs 125 Watts
Star Wars Jedi: Fallen Order
Resolution
1920 x 1080
Game Graphics
Epic
Intel Core i7-11700K (3.6 GHz, 16M Cache, up to 5.00 GHz)
Buy for £226.48 on Amazon
In Stock
Updated 74094 minutes ago
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £156.85 on Amazon
In Stock
Updated 74094 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i7-11700K
Desktop • Mar 16th, 2021
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
60.97341144659757%
Multi-Core
4748
48.4193351009586%
Intel Core i7-11700K | vs | Intel Core i5-8400 |
|---|---|---|
Mar 16th, 2021 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Rocket Lake | Codename | Coffee Lake |
| Intel Socket 1200 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 6 |
16 | Threads | 6 |
3.6 GHz | Base Clock Speed | 2.8 GHz |
5.0 GHz | Turbo Clock Speed | 4.0 GHz |
| 125 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
36.0x | Multiplier | 28.0x |
UHD Graphics 750 | Integrated Graphics | None |
Yes | Overclockable | No |
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