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Key Differences
In short — Core i5-8400 outperforms the more expensive Core i7-5820K on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-8400 is 1130 days newer than the more expensive Core i7-5820K.
Advantages of Intel Core i7-5820K
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 12 vs 6 threads
Advantages of Intel Core i5-8400
- Performs up to 5% better in Tom Clancy's Rainbow Six Siege than Core i7-5820K - 552 vs 528 FPS
- Up to 83% cheaper than Core i7-5820K - $54.58 vs $314.37
- Consumes up to 54% less energy than Intel Core i7-5820K - 65 vs 140 Watts
Tom Clancy's Rainbow Six Siege
Resolution
1920 x 1080
Game Graphics
Ultra
Intel CM8064801548435 CORE I7-5820K Processor (15M Cache, UP to 3.60 GHZ)
Buy for €348.95 on Amazon
In Stock
Updated 75466 minutes ago
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for €60.58 on Amazon
In Stock
Updated 75466 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-5820K
Desktop • Sep 1st, 2014
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i7-5820K | vs | Intel Core i5-8400 |
|---|---|---|
| Sep 1st, 2014 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Haswell E | Codename | Coffee Lake |
| Intel Socket 2011-3 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 6 |
12 | Threads | 6 |
3.3 GHz | Base Clock Speed | 2.8 GHz |
| 3.6 GHz | Turbo Clock Speed | 4.0 GHz |
| 140 W | TDP | 65 W |
| 22 nm | Process Size | 14 nm |
33.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
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