Buy on Amazon
€92.52
In Stock
Availability
Availability
AvailabilityMSRP in USD: $488
Availability
MSRP in USD: $488
Key Differences
In short — Core i9-9900K 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 i9-9900K is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 71% cheaper than Core i9-9900K - $83.35 vs $291.75
- Up to 69% better value when playing Rust than Core i9-9900K - $0.48 vs $1.56 per FPS
- Consumes up to 32% less energy than Intel Core i9-9900K - 65 vs 95 Watts
Advantages of Intel Core i9-9900K
- Performs up to 7% better in Rust than Core i5-8400 - 207 vs 193 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Rust
Resolution
1920 x 1080
Game Graphics
High
Core i5-8400
Desktop • Oct 5th, 2017
FPS
193
93%
Value, €/FPS
€0.48/FPS
100%
Price, €
€92.52
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for €92.52 on Amazon
In Stock
Updated 82 minutes ago
Core i9-9900K
Desktop • Oct 19th, 2018
FPS
207
100%
Value, €/FPS
€1.56/FPS
30%
Price, €
€323.84
28%
FPS Winner
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for €323.84 on Amazon
In Stock
Updated 82 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-9900K
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-9900K |
|---|---|---|
| Oct 5th, 2017 | Release Date | Oct 19th, 2018 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.8 GHz | Base Clock Speed | 3.6 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.0 GHz |
65 W | TDP | 95 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 36.0x |
| None | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
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