Buy on Amazon
£146.66
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short, we have a clear winner — Core i7-6700K outperforms the more expensive Core i5-8400 on the selected game parameters, and is also a better bang for your buck! The better performing Core i7-6700K is 796 days older than the more expensive Core i5-8400.
Advantages of Intel Core i5-8400
- Consumes up to 29% less energy than Intel Core i7-6700K - 65 vs 91 Watts
Advantages of Intel Core i7-6700K
- Performs up to 4% better in War Thunder than Core i5-8400 - 184 vs 177 FPS
- Up to 28% cheaper than Core i5-8400 - £104.99 vs £146.66
- Up to 31% better value when playing War Thunder than Core i5-8400 - £0.57 vs £0.83 per FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
War Thunder
Resolution
1920 x 1080
Game Graphics
Movie
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £146.66 on Amazon
In Stock
Updated 11304 minutes ago
Core i7-6700K
Desktop • Aug 1st, 2015
FPS
184
100%
Value, £/FPS
£0.57/FPS
100%
Price, £
£104.99
100%
FPS and Value Winner
Intel Core I7-6700K Processor (4 GHz, 8 M Cache, LGA1151)
Buy for £104.99 on Amazon
In Stock
Updated 11304 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Movie
Core i5-8400
Desktop • Oct 5th, 2017
Core i7-6700K
Desktop • Aug 1st, 2015
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i7-6700K |
|---|---|---|
Oct 5th, 2017 | Release Date | Aug 1st, 2015 |
| Core i5 | Collection | Core i7 |
| Coffee Lake | Codename | Skylake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
6 | Cores | 4 |
| 6 | Threads | 8 |
| 2.8 GHz | Base Clock Speed | 4.0 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.2 GHz |
65 W | TDP | 91 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 40.0x |
| None | Integrated Graphics | HD Graphics 530 |
| No | Overclockable | No |
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