Key Differences
In short — Core i9-9940X outperforms the cheaper Core i7-5820K on the selected game parameters. However, the worse performing Core i7-5820K is a better bang for your buck. The better performing Core i9-9940X is 1509 days newer than the cheaper Core i7-5820K.
Advantages of Intel Core i9-9940X
- Performs up to 2% better in Forza Horizon 4 than Core i7-5820K - 312 vs 307 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-5820K - 28 vs 12 threads
Advantages of Intel Core i7-5820K
- Up to 69% cheaper than Core i9-9940X - $314.37 vs $1015.53
- Up to 68% better value when playing Forza Horizon 4 than Core i9-9940X - $1.14 vs $3.61 per FPS
- Consumes up to 15% less energy than Intel Core i9-9940X - 140 vs 165 Watts
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
Desktop • Oct 19th, 2018
FPS
312
100%
Value, €/FPS
€3.61/FPS
31.57894736842105%
Price, €
€1127.24
30%
FPS Winner
Buy for €1,127.24 on Amazon
In Stock
Updated 1555 minutes ago
Desktop • Sep 1st, 2014
FPS
307
98.3974358974359%
Value, €/FPS
€1.14/FPS
100%
Price, €
€348.95
100%
Value Winner
Buy for €348.95 on Amazon
In Stock
Updated 1552 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
Desktop • Oct 19th, 2018
Desktop • Sep 1st, 2014
Geekbench 5 Benchmarks
Desktop • Sep 1st, 2014
Single-Core
1160
79.50651130911584%
Multi-Core
5443
50.70803055710825%
Intel Core i9-9940X | vs | Intel Core i7-5820K |
---|---|---|
Oct 19th, 2018 | Release Date | Sep 1st, 2014 |
Core i9 | Collection | Core i7 |
Skylake | Codename | Haswell E |
Intel Socket 2066 | Socket | Intel Socket 2011-3 |
Desktop | Segment | Desktop |
14 | Cores | 6 |
28 | Threads | 12 |
3.3 GHz | Base Clock Speed | 3.3 GHz |
4.4 GHz | Turbo Clock Speed | 3.6 GHz |
165 W | TDP | 140 W |
14 nm | Process Size | 22 nm |
33.0x | Multiplier | 33.0x |
None | Integrated Graphics | None |
Yes | Overclockable | Yes |