The Core i7-6900K is a slightly faster gaming CPU than the Core i5-6400, however, it's a much worse value for money, as it's $52.50 more expensive!
Advantages of the Core i7-6900K
- A slightly faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 4 threads
Advantages of the Core i5-6400
- Up to 52% cheaper – $49.00 vs $101.50
- A better value for money for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Core i7-6900K vs Core i5-6400 for Gaming
The CPU's performance in selected game and settings
Core i7-6900K
May 31st, 2016
Average FPS
203
100%
Min 1% FPS
141
100%
Price, $
$101.5
48%
Value, $/FPS
$0.5/FPS
48%
Core i7-6900K vs Core i5-6400 in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
Very High
1920x1080
Average FPS
Average FPS
Best Looking
1920x1080
Average FPS
Average FPS
Ultra
1920x1080
+2
Average FPS
Average FPS
High
1920x1080
+1
Average FPS
Average FPS
Very High
1920x1080
+2
Average FPS
Average FPS
Add a Game
Select Settings
Synthetic Benchmarks
The Core i7-6900K vs Core i5-6400 in synthetic CPU benchmarks
Performance Specifications
The Core i7-6900K vs Core i5-6400 in core CPU performance specifications
Core i7-6900K
May 31st, 2016
Cores
8-core
100%
L3 Cache
20 MB
100%
Base Frequency
3.2 GHz
100%
Turbo Frequency
3.7 GHz
100%
Max. DDR4 RAM Speed
2400 MHz
100%
Core i5-6400
Jul 2nd, 2015
Cores
4-core
50%
L3 Cache
6 MB
30%
Base Frequency
2.7 GHz
84%
Turbo Frequency
3.3 GHz
89%
Max. DDR4 RAM Speed
2133 MHz
89%
Specifications
Comparison of all specifications
Core i7-6900K | SpecificationsComparison of all specifications | Core i5-6400 |
|---|---|---|
| General | ||
May 31st, 2016 | Release Date | Jul 2nd, 2015 |
| $1,089.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 2011-3 | Socket | Intel Socket 1151 |
| Broadwell-E | Codename | Skylake |
| 140 W | Power Consumption | 65 W |
| Performance | ||
8 | Cores | 4 |
16 | Threads | 4 |
3.2 GHz | Base Frequency | 2.7 GHz |
3.7 GHz | Turbo Frequency | 3.3 GHz |
20 MB | L3 Cache | 6 MB |
| Other Features | ||
| DDR4 @ 2400 MHz | RAM | DDR4 @ 2133 MHz |
| No | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
