The Core i9-11900K is at least 2x faster gaming CPU than the Core i5-6400, however, it's a much worse value for money, as it's $228.80 more expensive!
Advantages of the Core i9-11900K
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 4 threads
Advantages of the Core i5-6400
- Up to 81% cheaper – $52.26 vs $281.06
- A much better value for money for gaming
- Consumes up to 48% less energy – 65 vs 125 Watts
Core i9-11900K vs Core i5-6400 for Gaming
The CPU's performance in selected game and settings
Core i9-11900K
Mar 16th, 2021
Average FPS
207
100%
Min 1% FPS
136
100%
Price, €
€281.06
18%
Value, €/FPS
€1.35/FPS
21%
Core i5-6400
Jul 2nd, 2015
Average FPS
180
87%
Min 1% FPS
120
88%
Price, €
€52.26
100%
Value, €/FPS
€0.29/FPS
100%
Core i9-11900K vs Core i5-6400 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i9-11900K vs Core i5-6400 in synthetic CPU benchmarks
Performance Specifications
The Core i9-11900K vs Core i5-6400 in core CPU performance specifications
Core i9-11900K
Mar 16th, 2021
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.5 GHz
100%
Turbo Frequency
5.3 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Core i5-6400
Jul 2nd, 2015
Cores
4-core
50%
L3 Cache
6 MB
38%
Base Frequency
2.7 GHz
77%
Turbo Frequency
3.3 GHz
62%
Max. DDR4 RAM Speed
2133 MHz
67%
Specifications
Comparison of all specifications
Core i9-11900K | SpecificationsComparison of all specifications | Core i5-6400 |
|---|---|---|
| General | ||
Mar 16th, 2021 | Release Date | Jul 2nd, 2015 |
| $539.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1200 | Socket | Intel Socket 1151 |
| Rocket Lake | Codename | Skylake |
| 125 W | Power Consumption | 65 W |
| Performance | ||
8 | Cores | 4 |
16 | Threads | 4 |
3.5 GHz | Base Frequency | 2.7 GHz |
5.3 GHz | Turbo Frequency | 3.3 GHz |
16 MB | L3 Cache | 6 MB |
| Other Features | ||
| DDR4 @ 3200 MHz | RAM | DDR4 @ 2133 MHz |
| UHD Graphics 750 | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
