Buy on Amazon
$24.99
In Stock
Availability
Availability
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Key Differences
In short — Core i5-6400 outperforms the cheaper Core i7-3820 on the selected game parameters. However, the worse performing Core i7-3820 is a better bang for your buck. The better performing Core i5-6400 is 1235 days newer than the cheaper Core i7-3820.
Advantages of Intel Core i7-3820
- Up to 64% cheaper than Core i5-6400 - $24.99 vs $69.33
- Up to 62% better value when playing FINAL FANTASY XIV: Endwalker than Core i5-6400 - $0.11 vs $0.29 per FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 8 vs 4 threads
Advantages of Intel Core i5-6400
- Performs up to 5% better in FINAL FANTASY XIV: Endwalker than Core i7-3820 - 240 vs 228 FPS
- Consumes up to 50% less energy than Intel Core i7-3820 - 65 vs 130 Watts
- Works without a dedicated GPU, while Intel Core i7-3820 doesn't have integrated graphics
FINAL FANTASY XIV: Endwalker
Resolution
1920 x 1080
Game Graphics
Maximum
Core i7-3820
Desktop • Feb 13th, 2012
FPS
228
95%
Value, $/FPS
$0.11/FPS
100%
Price, $
$24.99
100%
Value Winner
Intel Core i7-3820 Quad-Core Processor 3.6 GHz 10 MB Cache LGA 2011 - BX80619I73820
Buy for $24.99 on Amazon
In Stock
Updated 102 minutes ago
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $69.33 on Amazon
In Stock
Updated 103 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Maximum
Core i7-3820
Desktop • Feb 13th, 2012
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Intel Core i7-3820 | vs | Intel Core i5-6400 |
|---|---|---|
| Feb 13th, 2012 | Release Date | Jul 2nd, 2015 |
| Core i7 | Collection | Core i5 |
| Sandy Bridge E | Codename | Skylake |
| Intel Socket 2011 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 4 |
8 | Threads | 4 |
3.6 GHz | Base Clock Speed | 2.7 GHz |
3.8 GHz | Turbo Clock Speed | 3.3 GHz |
| 130 W | TDP | 65 W |
| 32 nm | Process Size | 14 nm |
36.0x | Multiplier | 27.0x |
| None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
Builds Using Core i7-3820 or Core i5-6400
FINAL FANTASY XIV: Endwalker, 1920 x 1080, Maximum
81 FPS
$10.27/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$832.24
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.
