Key Differences
In short — Core i9-9920X 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 i9-9920X is 1205 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i9-9920X
- Performs up to 3% better in Apex Legends than Core i5-6400 - 280 vs 271 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 24 vs 4 threads
Advantages of Intel Core i5-6400
- Up to 83% cheaper than Core i9-9920X - $99.95 vs $595.0
- Up to 83% better value when playing Apex Legends than Core i9-9920X - $0.37 vs $2.12 per FPS
- Consumes up to 61% less energy than Intel Core i9-9920X - 65 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-9920X doesn't have integrated graphics
Apex Legends
Resolution
1920 x 1080
Game Graphics
High
Desktop • Oct 19th, 2018
FPS
280
100%
Value, $/FPS
$2.12/FPS
17.452830188679243%
Price, $
$595
16%
FPS Winner
Buy for $595 on Amazon
In Stock
Updated 349695 minutes ago
Desktop • Jul 2nd, 2015
FPS
271
96.78571428571429%
Value, $/FPS
$0.37/FPS
100%
Price, $
$99.95
100%
Value Winner
Buy for $99.95 on Amazon
In Stock
Updated 349696 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Desktop • Oct 19th, 2018
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Desktop • Jul 2nd, 2015
Single-Core
1111
78.6270346779901%
Multi-Core
3023
32.01652192332133%
Intel Core i9-9920X | vs | Intel Core i5-6400 |
---|---|---|
Oct 19th, 2018 | Release Date | Jul 2nd, 2015 |
Core i9 | Collection | Core i5 |
Skylake | Codename | Skylake |
Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
12 | Cores | 4 |
24 | Threads | 4 |
3.5 GHz | Base Clock Speed | 2.7 GHz |
4.4 GHz | Turbo Clock Speed | 3.3 GHz |
165 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
35.0x | Multiplier | 27.0x |
None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |