In Atomfall, the Core i9-12900K is slightly faster than the Core i9-9940X and it's also a much better value for money, as it's $1000 cheaper!
Core i9-12900K
- Up to 11% faster in Atomfall – 239 vs 215 FPS
- Up to 11% faster in Atomfall
- Is 3 years and 16 days newer – Nov 04, 2021 vs Oct 19, 2018
- Is 3 years and 16 days newer
- Up to 78% cheaper – $289.00 vs $1288.88
- Up to 78% cheaper
- Up to 80% better value in Atomfall – $1.20 vs $5.99/FPS
- Up to 80% better value in Atomfall
- Consumes up to 24% less energy – 125 vs 165 Watts
- Consumes up to 24% 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 i9-9940X
No clear advantages
Atomfall FPS Calculator
Core i9-12900K vs Core i9-9940X: Comparison of performance and price
Core i9-12900K
Nov 4th, 2021
Average FPS
239 FPS
100%
Min 1% FPS
179 FPS
100%
Price, $
$289
100%
Value, $/FPS
$1.2/FPS
100%
Core i9-9940X
Oct 19th, 2018
Average FPS
215 FPS
90%
Min 1% FPS
161 FPS
90%
Price, $
$1288.88
22%
Value, $/FPS
$5.99/FPS
20%
Synthetic Benchmarks
The Core i9-12900K vs Core i9-9940X in synthetic CPU benchmarks
Performance Specifications
The Core i9-12900K vs Core i9-9940X in core CPU performance specifications
Core i9-12900K
Nov 4th, 2021
Cores
16-core
100%
L3 Cache
30 MB
100%
Base Frequency
3.2 GHz
97%
Turbo Frequency
5.2 GHz
100%
Max. DDR5 RAM Speed
4800 MHz
100%
Core i9-9940X
Oct 19th, 2018
Cores
14-core
88%
L3 Cache
19.25 MB
64%
Base Frequency
3.3 GHz
100%
Turbo Frequency
4.5 GHz
87%
Max. DDR4 RAM Speed
2666 MHz
56%
Specifications
Comparison of core specifications
Core i9-12900K Nov 4th, 2021 | SpecificationsComparison of core specifications | Core i9-9940X Oct 19th, 2018 |
|---|---|---|
| General | ||
Nov 4th, 2021 | Released | Oct 19th, 2018 |
$599.00 | MSRP | $1,387.00 |
Desktop | Segment | Desktop |
| LGA1700 | Socket | LGA2066 |
125 W | Power Consumption | 165 W |
| Other Features | ||
| 3200 MHz (DDR4), 4800 MHz (DDR5) | RAM | 2666 MHz (DDR4) |
UHD Graphics 770 | Integrated GPU | No Integrated Graphics |
| Overclockable | Overclock Support | Overclockable |
