Buy on Amazon
$144.34
In Stock
Availability
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Key Differences
In short — Core i7-7700K outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-7700K is 275 days older than the cheaper Core i5-8400.
Advantages of Intel Core i7-7700K
- Performs up to 4% better in Microsoft Flight Simulator 2020 than Core i5-8400 - 110 vs 106 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Advantages of Intel Core i5-8400
- Up to 48% cheaper than Core i7-7700K - $74.64 vs $144.34
- Consumes up to 29% less energy than Intel Core i7-7700K - 65 vs 91 Watts
Microsoft Flight Simulator 2020
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core i7-7700K Desktop Processor 4 Cores up to 4.5 GHz Unlocked LGA 1151 100/200 Series 91W
Buy for $144.34 on Amazon
In Stock
Updated 74255 minutes ago
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $74.64 on Amazon
In Stock
Updated 74255 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-7700K
Desktop • Jan 3rd, 2017
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
86.1234882240611%
Multi-Core
4748
93.00685602350637%
Intel Core i7-7700K | vs | Intel Core i5-8400 |
|---|---|---|
| Jan 3rd, 2017 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Kaby Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 6 |
8 | Threads | 6 |
4.2 GHz | Base Clock Speed | 2.8 GHz |
4.5 GHz | Turbo Clock Speed | 4.0 GHz |
| 91 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
42.0x | Multiplier | 28.0x |
HD 630 | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i7-7700K or Core i5-8400
Microsoft Flight Simulator 2020, 1920 x 1080, Ultra
38 FPS
$22.37/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
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