The Core i9-11900K is at least 2x faster gaming CPU than the Core i5-8400T, however, it's a worse value for money, as it's $178.92 more expensive!
Advantages of the Core i9-11900K
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Advantages of the Core i5-8400T
- Up to 64% cheaper – $102.14 vs $281.06
- A better value for money for gaming
- Consumes up to 72% less energy – 35 vs 125 Watts
Core i9-11900K vs Core i5-8400T 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
36%
Value, €/FPS
€1.35/FPS
41%
Core i5-8400T
Apr 2nd, 2018
Average FPS
180
87%
Min 1% FPS
120
88%
Price, €
€102.14
100%
Value, €/FPS
€0.56/FPS
100%
Core i9-11900K vs Core i5-8400T 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 i5-8400T in synthetic CPU benchmarks
Performance Specifications
The Core i9-11900K vs Core i5-8400T 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 i5-8400T
Apr 2nd, 2018
Cores
6-core
75%
L3 Cache
9 MB
56%
Base Frequency
1.7 GHz
49%
Turbo Frequency
3.3 GHz
62%
Max. DDR4 RAM Speed
2666 MHz
83%
Specifications
Comparison of all specifications
Core i9-11900K | SpecificationsComparison of all specifications | Core i5-8400T |
|---|---|---|
| General | ||
Mar 16th, 2021 | Release Date | Apr 2nd, 2018 |
| $539.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1200 | Socket | Intel Socket 1151 |
| Rocket Lake | Codename | Coffee Lake |
| 125 W | Power Consumption | 35 W |
| Performance | ||
8 | Cores | 6 |
16 | Threads | 6 |
3.5 GHz | Base Frequency | 1.7 GHz |
5.3 GHz | Turbo Frequency | 3.3 GHz |
16 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 3200 MHz | RAM | DDR4 @ 2666 MHz |
| UHD Graphics 750 | Integrated Graphics | UHD Graphics 630 |
Yes | Overclockable | No |
