Key Differences
In short — Core i9-7900X outperforms the cheaper Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7900X is 725 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 81% cheaper than Core i9-7900X - $61.8 vs $325.0
- Consumes up to 54% less energy than Intel Core i9-7900X - 65 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i9-7900X doesn't have integrated graphics
Advantages of Intel Core i9-7900X
- Performs up to 2% better in The Witcher 3: Wild Hunt than Core i5-6400 - 167 vs 163 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 20 vs 4 threads
The Witcher 3: Wild Hunt
Resolution
1920 x 1080
Game Graphics
Ultra+
Buy for $61.8 on Amazon
In Stock
Updated 244 minutes ago
Buy for $325 on Amazon
In Stock
Updated 243 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra+
Desktop • Jul 2nd, 2015
Desktop • Jun 26th, 2017
Geekbench 5 Benchmarks
Desktop • Jul 2nd, 2015
Single-Core
1111
78.12939521800281%
Multi-Core
3023
34.42660289260904%
Intel Core i5-6400 | vs | Intel Core i9-7900X |
---|---|---|
Jul 2nd, 2015 | Release Date | Jun 26th, 2017 |
Core i5 | Collection | Core i9 |
Skylake | Codename | Skylake-E/EP |
Intel Socket 1151 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
4 | Cores | 10 |
4 | Threads | 20 |
2.7 GHz | Base Clock Speed | 3.3 GHz |
3.3 GHz | Turbo Clock Speed | 4.3 GHz |
65 W | TDP | 140 W |
14 nm | Process Size | 14 nm |
27.0x | Multiplier | 33.0x |
HD Graphics 530 | Integrated Graphics | None |
No | Overclockable | Yes |