Key Differences
In short — Core i7-7800X outperforms Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-7800X is 725 days newer than Core i5-6400.
Advantages of Intel Core i7-7800X
- Performs up to 2% better in Overwatch 2 than Core i5-6400 - 347 vs 339 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 12 vs 4 threads
Advantages of Intel Core i5-6400
- Consumes up to 54% less energy than Intel Core i7-7800X - 65 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i7-7800X doesn't have integrated graphics
Overwatch 2
Resolution
1920 x 1080
Game Graphics
Epic
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i7-7800X
Desktop • Jun 26th, 2017
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
82.2962962962963%
Multi-Core
3023
49.17846103790467%
Intel Core i7-7800X | vs | Intel Core i5-6400 |
|---|---|---|
Jun 26th, 2017 | Release Date | Jul 2nd, 2015 |
| Core i7 | Collection | Core i5 |
| Skylake-E/EP | Codename | Skylake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
6 | Cores | 4 |
12 | Threads | 4 |
3.5 GHz | Base Clock Speed | 2.7 GHz |
4.0 GHz | Turbo Clock Speed | 3.3 GHz |
| 140 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
35.0x | Multiplier | 27.0x |
| None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
