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Key Differences
In short — Core i5-8400 outperforms Core i9-9940X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-8400 is 379 days older than Core i9-9940X.
Advantages of Intel Core i5-8400
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
Advantages of Intel Core i9-9940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 28 vs 6 threads
Control
Resolution
1920 x 1080
Game Graphics
High
Intel Core i5-8400 Prozessor (9 MB Cache, bis zu 4,00 GHz)
Buy for €79 on Amazon
In Stock
Updated 259 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-9940X
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
92.73474982864977%
Multi-Core
4748
44.23327743618409%
Intel Core i5-8400 | vs | Intel Core i9-9940X |
|---|---|---|
| Oct 5th, 2017 | Release Date | Oct 19th, 2018 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Skylake |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
| 6 | Cores | 14 |
| 6 | Threads | 28 |
| 2.8 GHz | Base Clock Speed | 3.3 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.4 GHz |
65 W | TDP | 165 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 33.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
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