Buy on Amazon
$429.95
In Stock
Availability
Availability
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Key Differences
In short — Core i7-5820K outperforms the cheaper Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-5820K is 304 days older than the cheaper Core i5-6400.
Advantages of Intel Core i7-5820K
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 12 vs 4 threads
Advantages of Intel Core i5-6400
- Up to 84% cheaper than Core i7-5820K - $67.64 vs $429.95
- Consumes up to 54% less energy than Intel Core i7-5820K - 65 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i7-5820K doesn't have integrated graphics
Starfield
Resolution
1920 x 1080
Game Graphics
Ultra
Intel CM8064801548435 CORE I7-5820K Processor (15M Cache, UP to 3.60 GHZ)
Buy for $429.95 on Amazon
In Stock
Updated 75457 minutes ago
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $67.64 on Amazon
In Stock
Updated 75457 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-5820K
Desktop • Sep 1st, 2014
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
95.77586206896552%
Multi-Core
3023
55.5392246922653%
Intel Core i7-5820K | vs | Intel Core i5-6400 |
|---|---|---|
| Sep 1st, 2014 | Release Date | Jul 2nd, 2015 |
| Core i7 | Collection | Core i5 |
| Haswell E | Codename | Skylake |
| Intel Socket 2011-3 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
6 | Cores | 4 |
12 | Threads | 4 |
3.3 GHz | Base Clock Speed | 2.7 GHz |
3.6 GHz | Turbo Clock Speed | 3.3 GHz |
| 140 W | TDP | 65 W |
| 22 nm | Process Size | 14 nm |
33.0x | Multiplier | 27.0x |
| None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
Builds Using Core i7-5820K or Core i5-6400
Starfield, 1920 x 1080, Ultra
1 FPS
$374.99/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$374.99
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
