In Atomfall, the Core i5-9400 is slightly slower than the Core i9-12900K. However, it's a better value for money, as it's $152 cheaper!
Core i5-9400
- Up to 52% cheaper – $139.00 vs $290.64
- Up to 52% cheaper
- Up to 45% better value in Atomfall – $0.66 vs $1.21/FPS
- Up to 45% better value in Atomfall
- Consumes up to 48% less energy – 65 vs 125 Watts
- Consumes up to 48% less energy
Core i9-12900K
- Up to 14% faster in Atomfall – 239 vs 210 FPS
- Up to 14% faster in Atomfall
- Is 3 years and 16 days newer – Nov 04, 2021 vs Oct 19, 2018
- Is 3 years and 16 days newer
Atomfall FPS Calculator
Core i5-9400 vs Core i9-12900K: Comparison of performance and price
Core i5-9400
Oct 19th, 2018
Average FPS
210 FPS
88%
Min 1% FPS
157 FPS
88%
Price, $
$139
100%
Value, $/FPS
$0.66/FPS
100%
Core i9-12900K
Nov 4th, 2021
Average FPS
239 FPS
100%
Min 1% FPS
179 FPS
100%
Price, $
$290.64
47%
Value, $/FPS
$1.21/FPS
55%
Synthetic Benchmarks
The Core i5-9400 vs Core i9-12900K in synthetic CPU benchmarks
Performance Specifications
The Core i5-9400 vs Core i9-12900K in core CPU performance specifications
Core i5-9400
Oct 19th, 2018
Cores
6-core
38%
L3 Cache
9 MB
30%
Base Frequency
2.9 GHz
91%
Turbo Frequency
4.1 GHz
79%
Max. DDR4 RAM Speed
2666 MHz
56%
Core i9-12900K
Nov 4th, 2021
Cores
16-core
100%
L3 Cache
30 MB
100%
Base Frequency
3.2 GHz
100%
Turbo Frequency
5.2 GHz
100%
Max. DDR5 RAM Speed
4800 MHz
100%
Specifications
Comparison of core specifications
Core i5-9400 Oct 19th, 2018 | SpecificationsComparison of core specifications | Core i9-12900K Nov 4th, 2021 |
|---|---|---|
| General | ||
| Oct 19th, 2018 | Released | Nov 4th, 2021 |
| – | MSRP | $599.00 |
Desktop | Segment | Desktop |
| LGA1151 | Socket | LGA1700 |
65 W | Power Consumption | 125 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 3200 MHz (DDR4), 4800 MHz (DDR5) |
| UHD 630 | Integrated GPU | UHD Graphics 770 |
| Not Overclockable | Overclock Support | Overclockable |
