Buy on Amazon
$180
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i7-6700K outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i7-6700K is 796 days older than the cheaper Core i5-8400.
Advantages of Intel Core i7-6700K
- Performs up to 1% better in Far Cry 5 than Core i5-8400 - 211 vs 208 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
Advantages of Intel Core i5-8400
- Up to 22% cheaper than Core i7-6700K - $140.0 vs $180.0
- Up to 20% better value when playing Far Cry 5 than Core i7-6700K - $0.55 vs $0.69 per FPS
- Consumes up to 29% less energy than Intel Core i7-6700K - 65 vs 91 Watts
Far Cry 5
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-6700K
Desktop • Aug 1st, 2015
FPS
211
100%
Value, $/FPS
$0.69/FPS
79.71014492753625%
Price, $
$180
77%
FPS Winner
Intel Core i7-6700K
Buy for $180 on Amazon
In Stock
Updated 354182 minutes ago
Core i5-8400
Desktop • Oct 5th, 2017
FPS
208
98.5781990521327%
Value, $/FPS
$0.55/FPS
100%
Price, $
$140
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $140 on Amazon
In Stock
Updated 354182 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-6700K
Desktop • Aug 1st, 2015
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
91.41891891891892%
Multi-Core
4748
96.95732080865837%
Intel Core i7-6700K | vs | Intel Core i5-8400 |
|---|---|---|
| Aug 1st, 2015 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Skylake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 6 |
8 | Threads | 6 |
4.0 GHz | Base Clock Speed | 2.8 GHz |
4.2 GHz | Turbo Clock Speed | 4.0 GHz |
| 91 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
40.0x | Multiplier | 28.0x |
HD Graphics 530 | Integrated Graphics | None |
| No | Overclockable | No |
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