In Atomfall, the Core i5-8400T is slightly slower than the Core i9-9900KF. However, it's a much better value for money, as it's $286 cheaper!
Core i5-8400T
- Up to 72% cheaper – $113.37 vs $399.00
- Up to 72% cheaper
- Up to 70% better value in Atomfall – $0.55 vs $1.83/FPS
- Up to 70% better value in Atomfall
- Consumes up to 63% less energy – 35 vs 95 Watts
- Consumes up to 63% 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 i9-9900KF
- Up to 7% faster in Atomfall – 218 vs 203 FPS
- Up to 7% faster in Atomfall
- Is 9 months and 7 days newer – Jan 08, 2019 vs Apr 02, 2018
- Is 9 months and 7 days newer
Atomfall FPS Calculator
Core i5-8400T vs Core i9-9900KF: Comparison of performance and price
Core i5-8400T
Apr 2nd, 2018
Average FPS
203 FPS
93%
Min 1% FPS
152 FPS
93%
Price, $
$113.37
100%
Value, $/FPS
$0.55/FPS
100%
Core i9-9900KF
Jan 8th, 2019
Average FPS
218 FPS
100%
Min 1% FPS
163 FPS
100%
Price, $
$399
28%
Value, $/FPS
$1.83/FPS
30%
Synthetic Benchmarks
The Core i5-8400T vs Core i9-9900KF in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400T vs Core i9-9900KF in core CPU performance specifications
Core i5-8400T
Apr 2nd, 2018
Cores
6-core
75%
L3 Cache
9 MB
56%
Base Frequency
1.7 GHz
47%
Turbo Frequency
3.3 GHz
66%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-9900KF
Jan 8th, 2019
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 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 i9-9900KF Jan 8th, 2019 |
|---|---|---|
| General | ||
| Apr 2nd, 2018 | Released | Jan 8th, 2019 |
$182.00 | MSRP | $488.00 |
Desktop | Segment | Desktop |
| LGA1151 | Socket | LGA1151 |
35 W | Power Consumption | 95 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 2666 MHz (DDR4) |
UHD Graphics 630 | Integrated GPU | No Integrated Graphics |
| Not Overclockable | Overclock Support | Overclockable |
