Buy on Amazon
$79
In Stock
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Availability
Availability
Key Differences
In short — Core i7-8700K outperforms the cheaper Core i5-6400 on the selected game parameters. However, the worse performing Core i5-6400 is a better bang for your buck. The better performing Core i7-8700K is 826 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 58% cheaper than Core i7-8700K - $79.0 vs $186.0
- Up to 55% better value when playing Watch Dogs: Legion than Core i7-8700K - $0.58 vs $1.28 per FPS
- Consumes up to 32% less energy than Intel Core i7-8700K - 65 vs 95 Watts
Advantages of Intel Core i7-8700K
- Performs up to 7% better in Watch Dogs: Legion than Core i5-6400 - 145 vs 136 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 12 vs 4 threads
Watch Dogs: Legion
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $79 on Amazon
In Stock
Updated 169 minutes ago
Intel Core i7-8700K Desktop Processor 6 Cores up to 4.7GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $186 on Amazon
In Stock
Updated 168 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-6400
Desktop • Jul 2nd, 2015
Core i7-8700K
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i5-6400 | vs | Intel Core i7-8700K |
|---|---|---|
| Jul 2nd, 2015 | Release Date | Oct 5th, 2017 |
| Core i5 | Collection | Core i7 |
| Skylake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| 2.7 GHz | Base Clock Speed | 3.7 GHz |
| 3.3 GHz | Turbo Clock Speed | 4.7 GHz |
65 W | TDP | 95 W |
| 14 nm | Process Size | 14 nm |
| 27.0x | Multiplier | 37.0x |
| HD Graphics 530 | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
Builds Using Core i5-6400 or Core i7-8700K
Watch Dogs: Legion, 1920 x 1080, Ultra
53 FPS
$28.3/FPS
GeForce GTX 1080 Ti
Core i7-8700K
16 GB, 2 TB HDD
Buy on Amazon
$1,499.99
In Stock
24 FPS
$34.32/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$823.74
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
