In Rust, the Core i5-8400T is slightly slower than the Core i5-9400F. However, it's a slightly better value for money, as it's $7 cheaper!
Core i5-8400T
- Up to 6% cheaper – $113.37 vs $119.99
- Up to 6% cheaper
- Up to 4% better value in Rust – $0.51 vs $0.53/FPS
- Up to 4% better value in Rust
- Consumes up to 46% less energy – 35 vs 65 Watts
- Consumes up to 46% less energy
- Can run games without a dedicated GPU using its integrated graphics
- Can run games without a dedicated GPU using its integrated graphics
Core i5-9400F
- Up to 3% faster in Rust – 226 vs 219 FPS
- Up to 3% faster in Rust
- Is 9 months and 7 days newer – Jan 08, 2019 vs Apr 02, 2018
- Is 9 months and 7 days newer
Rust FPS Calculator
Core i5-8400T vs Core i5-9400F: Comparison of performance and price
Core i5-8400T
Apr 2nd, 2018
Average FPS
219 FPS
97%
Min 1% FPS
50 FPS
91%
Price, $
$113.37
100%
Value, $/FPS
$0.51/FPS
100%
Core i5-9400F
Jan 8th, 2019
Average FPS
226 FPS
100%
Min 1% FPS
55 FPS
100%
Price, $
$119.99
94%
Value, $/FPS
$0.53/FPS
96%
Synthetic Benchmarks
The Core i5-8400T vs Core i5-9400F in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400T vs Core i5-9400F in core CPU performance specifications
Core i5-8400T
Apr 2nd, 2018
Cores
6-core
100%
L3 Cache
9 MB
100%
Base Frequency
1.7 GHz
59%
Turbo Frequency
3.3 GHz
80%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-9400F
Jan 8th, 2019
Cores
6-core
100%
L3 Cache
9 MB
100%
Base Frequency
2.9 GHz
100%
Turbo Frequency
4.1 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of core specifications
Core i5-8400T Apr 2nd, 2018 | SpecificationsComparison of core specifications | Core i5-9400F Jan 8th, 2019 |
|---|---|---|
| General | ||
| Apr 2nd, 2018 | Released | Jan 8th, 2019 |
| $182.00 | MSRP | – |
Desktop | Segment | Desktop |
| LGA1151 | Socket | LGA1151 |
35 W | Power Consumption | 65 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 2666 MHz (DDR4) |
UHD Graphics 630 | Integrated GPU | No Integrated Graphics |
| Not Overclockable | Overclock Support | Not Overclockable |

















































































































































