In Rust, the Core i9-11900KB is slightly faster than the Core i5-8400T. We cannot compare value as at least one CPU is out of stock.
Core i9-11900KB
- Up to 14% faster in Rust – 250 vs 219 FPS
- Up to 14% faster in Rust
- Is 3 years and 1 month newer – May 17, 2021 vs Apr 02, 2018
- Is 3 years and 1 month newer
Core i5-8400T
- Consumes up to 46% less energy – 35 vs 65 Watts
- Consumes up to 46% less energy
Rust FPS Calculator
Core i9-11900KB vs Core i5-8400T: Comparison of performance and price
All items are out of stock
Core i5-8400T
Apr 2nd, 2018
Average FPS
219 FPS
88%
Min 1% FPS
50 FPS
69%
Price, $
$113.37
100%
Value, $/FPS
$0.51/FPS
100%
Synthetic Benchmarks
The Core i9-11900KB vs Core i5-8400T in synthetic CPU benchmarks
Performance Specifications
The Core i9-11900KB vs Core i5-8400T in core CPU performance specifications
Core i9-11900KB
May 17th, 2021
Cores
8-core
100%
L3 Cache
24 MB
100%
Base Frequency
3.3 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
38%
Base Frequency
1.7 GHz
52%
Turbo Frequency
3.3 GHz
62%
Max. DDR4 RAM Speed
2666 MHz
83%
Specifications
Comparison of core specifications
Core i9-11900KB May 17th, 2021 | SpecificationsComparison of core specifications | Core i5-8400T Apr 2nd, 2018 |
|---|---|---|
| General | ||
May 17th, 2021 | Released | Apr 2nd, 2018 |
| $539.00 | MSRP | $182.00 |
Laptop | Segment | Desktop |
| Intel BGA 1787 | Socket | LGA1151 |
| 65 W | Power Consumption | 35 W |
| Other Features | ||
| 3200 MHz (DDR4) | RAM | 2666 MHz (DDR4) |
| UHD Graphics 750 | Integrated GPU | UHD Graphics 630 |
Overclockable | Overclock Support | Not Overclockable |














































































































































