Buy on Amazon
$400
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-7900X 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 i9-7900X is 480 days older than the cheaper Core i5-9400.
Advantages of Intel Core i9-7900X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 20 vs 6 threads
Advantages of Intel Core i5-9400
- Up to 60% cheaper than Core i9-7900X - $160.91 vs $400.0
- Up to 60% better value when playing The Last of Us Part I than Core i9-7900X - $1.19 vs $2.96 per FPS
- 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
The Last of Us Part I
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-7900X
Desktop • Jun 26th, 2017
FPS
135
100%
Value, $/FPS
$2.96/FPS
40.2027027027027%
Price, $
$400
40%
Intel Core i9-7900X X-Series Processor 10 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 140W
Buy for $400 on Amazon
In Stock
Updated 348857 minutes ago
Core i5-9400
Desktop • Oct 19th, 2018
FPS
135
100%
Value, $/FPS
$1.19/FPS
100%
Price, $
$160.91
100%
Value Winner
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400
Buy for $160.91 on Amazon
In Stock
Updated 348857 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-7900X
Desktop • Jun 26th, 2017
Core i5-9400
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Core i5-9400
Desktop • Oct 19th, 2018
Single-Core
1384
97.32770745428974%
Multi-Core
4795
54.60653684090651%
Intel Core i9-7900X | vs | Intel Core i5-9400 |
|---|---|---|
| Jun 26th, 2017 | Release Date | Oct 19th, 2018 |
| Core i9 | Collection | Core i5 |
| Skylake-E/EP | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
10 | Cores | 6 |
20 | Threads | 6 |
3.3 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 |
33.0x | Multiplier | 29.0x |
| None | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
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