Buy on Amazon
$130.73
In Stock
Availability
Availability
Availability
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Key Differences
In short — Core i5-11600K 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 i5-11600K is 1258 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 27% cheaper than Core i5-11600K - $130.73 vs $179.99
- Up to 18% better value when playing Need For Speed Unbound than Core i5-11600K - $0.93 vs $1.14 per FPS
- Consumes up to 48% less energy than Intel Core i5-11600K - 65 vs 125 Watts
Advantages of Intel Core i5-11600K
- Performs up to 12% better in Need For Speed Unbound than Core i5-8400 - 158 vs 141 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 12 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Need For Speed Unbound
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
FPS
141
89%
Value, $/FPS
$0.93/FPS
100%
Price, $
$130.73
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $130.73 on Amazon
In Stock
Updated 74 minutes ago
Core i5-11600K
Desktop • Mar 16th, 2021
FPS
158
100%
Value, $/FPS
$1.14/FPS
81%
Price, $
$179.99
72%
FPS Winner
Intel® Core™ i5-11600K Desktop Processor 6 Cores up to 4.9 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W
Buy for $179.99 on Amazon
In Stock
Updated 74 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i5-11600K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i5-11600K |
|---|---|---|
| Oct 5th, 2017 | Release Date | Mar 16th, 2021 |
| Core i5 | Collection | Core i5 |
| Coffee Lake | Codename | Rocket Lake |
| Intel Socket 1151 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
| 6 | Cores | 6 |
| 6 | Threads | 12 |
| 2.8 GHz | Base Clock Speed | 3.9 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.9 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 39.0x |
| None | Integrated Graphics | UHD Graphics 750 |
| No | Overclockable | Yes |
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