Buy on Amazon
$595
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-9920X outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i9-9920X is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i9-9920X
- Performs up to 2% better in Starfield than Core i5-8400 - 58 vs 57 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 76% cheaper than Core i9-9920X - $140.0 vs $595.0
- Up to 76% better value when playing Starfield than Core i9-9920X - $2.46 vs $10.26 per FPS
- Consumes up to 61% less energy than Intel Core i9-9920X - 65 vs 165 Watts
Starfield
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9920X
Desktop • Oct 19th, 2018
FPS
58
100%
Value, $/FPS
$10.26/FPS
23.976608187134506%
Price, $
$595
23%
FPS Winner
Intel Core i9-9920X X-Series Processor 12 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC6)
Buy for $595 on Amazon
In Stock
Updated 349583 minutes ago
Core i5-8400
Desktop • Oct 5th, 2017
FPS
57
98.27586206896551%
Value, $/FPS
$2.46/FPS
100%
Price, $
$140
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $140 on Amazon
In Stock
Updated 349584 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9920X
Desktop • Oct 19th, 2018
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
95.75371549893843%
Multi-Core
4748
50.285956365176865%
Intel Core i9-9920X | vs | Intel Core i5-8400 |
|---|---|---|
Oct 19th, 2018 | Release Date | Oct 5th, 2017 |
| Core i9 | Collection | Core i5 |
| Skylake | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
12 | Cores | 6 |
24 | Threads | 6 |
3.5 GHz | Base Clock Speed | 2.8 GHz |
4.4 GHz | Turbo Clock Speed | 4.0 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
35.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
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