Key Differences
In short — Core i7-7820X outperforms the cheaper Core i5-9400 on the selected game parameters. However, the worse performing Core i5-9400 is a better bang for your buck. The better performing Core i7-7820X is 480 days older than the cheaper Core i5-9400.
Advantages of Intel Core i7-7820X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 16 vs 6 threads
Advantages of Intel Core i5-9400
- Up to 57% cheaper than Core i7-7820X - $160.91 vs $375.0
- Up to 57% better value when playing Baldur's Gate 3 than Core i7-7820X - $1.39 vs $3.23 per FPS
- Consumes up to 54% less energy than Intel Core i7-7820X - 65 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i7-7820X doesn't have integrated graphics
Baldur's Gate 3
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jun 26th, 2017
FPS
116
100%
Value, $/FPS
$3.23/FPS
43.034055727554176%
Price, $
$375
42%
Buy for $375 on Amazon
In Stock
Updated 348913 minutes ago
Desktop • Oct 19th, 2018
FPS
116
100%
Value, $/FPS
$1.39/FPS
100%
Price, $
$160.91
100%
Value Winner
Buy for $160.91 on Amazon
In Stock
Updated 348913 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jun 26th, 2017
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Desktop • Oct 19th, 2018
Single-Core
1384
98.08646350106306%
Multi-Core
4795
61.09058478787107%
Intel Core i7-7820X | vs | Intel Core i5-9400 |
---|---|---|
Jun 26th, 2017 | Release Date | Oct 19th, 2018 |
Core i7 | Collection | Core i5 |
Skylake-E/EP | Codename | Coffee Lake |
Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 6 |
16 | Threads | 6 |
3.6 GHz | Base Clock Speed | 2.9 GHz |
4.3 GHz | Turbo Clock Speed | 4.1 GHz |
140 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
36.0x | Multiplier | 29.0x |
None | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |