Key Differences
In short — Core i9-9940X outperforms the cheaper Core i7-7820X on the selected game parameters. However, the worse performing Core i7-7820X is a better bang for your buck. The better performing Core i9-9940X is 480 days newer than the cheaper Core i7-7820X.
Advantages of Intel Core i9-9940X
- Performs up to 1% better in Dota 2 than Core i7-7820X - 206 vs 204 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-7820X - 28 vs 16 threads
Advantages of Intel Core i7-7820X
- Up to 57% cheaper than Core i9-9940X - $375.0 vs $870.7
- Up to 57% better value when playing Dota 2 than Core i9-9940X - $1.84 vs $4.23 per FPS
- Consumes up to 15% less energy than Intel Core i9-9940X - 140 vs 165 Watts
Dota 2
Resolution
1920 x 1080
Game Graphics
Best Looking
Desktop • Oct 19th, 2018
FPS
206
100%
Value, $/FPS
$4.23/FPS
43.49881796690307%
Price, $
$870.7
43%
FPS Winner
Buy for $870.7 on Amazon
In Stock
Updated 350840 minutes ago
Desktop • Jun 26th, 2017
FPS
204
99.02912621359224%
Value, $/FPS
$1.84/FPS
100%
Price, $
$375
100%
Value Winner
Buy for $375 on Amazon
In Stock
Updated 350840 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Best Looking
Desktop • Oct 19th, 2018
Desktop • Jun 26th, 2017
Geekbench 5 Benchmarks
Desktop • Jun 26th, 2017
Single-Core
1411
96.71007539410556%
Multi-Core
7849
73.12278740450904%
Intel Core i9-9940X | vs | Intel Core i7-7820X |
---|---|---|
Oct 19th, 2018 | Release Date | Jun 26th, 2017 |
Core i9 | Collection | Core i7 |
Skylake | Codename | Skylake-E/EP |
Intel Socket 2066 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
14 | Cores | 8 |
28 | Threads | 16 |
3.3 GHz | Base Clock Speed | 3.6 GHz |
4.4 GHz | Turbo Clock Speed | 4.3 GHz |
165 W | TDP | 140 W |
14 nm | Process Size | 14 nm |
33.0x | Multiplier | 36.0x |
None | Integrated Graphics | None |
Yes | Overclockable | Yes |