In Atomfall, the Core i9-9940X is slightly slower than the Core i9-14900KF and it's also a much worse value for money, as it's $859 more expensive!
Core i9-9940X
No clear advantages
Core i9-14900KF
- Up to 15% faster in Atomfall – 248 vs 216 FPS
- Up to 15% faster in Atomfall
- Is 4 years and 11 months newer – Oct 17, 2023 vs Oct 19, 2018
- Is 4 years and 11 months newer
- Up to 67% cheaper – $429.99 vs $1288.88
- Up to 67% cheaper
- Up to 71% better value in Atomfall – $1.73 vs $5.96/FPS
- Up to 71% better value in Atomfall
- Consumes up to 24% less energy – 125 vs 165 Watts
- Consumes up to 24% less energy
Atomfall FPS Calculator
Core i9-9940X vs Core i9-14900KF: Comparison of performance and price
Core i9-9940X
Oct 19th, 2018
Average FPS
216 FPS
87%
Min 1% FPS
162 FPS
87%
Price, $
$1288.88
33%
Value, $/FPS
$5.96/FPS
29%
Core i9-14900KF
Oct 17th, 2023
Average FPS
248 FPS
100%
Min 1% FPS
186 FPS
100%
Price, $
$429.99
100%
Value, $/FPS
$1.73/FPS
100%
Synthetic Benchmarks
The Core i9-9940X vs Core i9-14900KF in synthetic CPU benchmarks
Performance Specifications
The Core i9-9940X vs Core i9-14900KF in core CPU performance specifications
Core i9-9940X
Oct 19th, 2018
Cores
14-core
58%
L3 Cache
19.25 MB
53%
Base Frequency
3.3 GHz
100%
Turbo Frequency
4.5 GHz
75%
Max. DDR4 RAM Speed
2666 MHz
48%
Core i9-14900KF
Oct 17th, 2023
Cores
24-core
100%
L3 Cache
36 MB
100%
Base Frequency
3.2 GHz
97%
Turbo Frequency
6 GHz
100%
Max. DDR5 RAM Speed
5600 MHz
100%
Specifications
Comparison of core specifications
Core i9-9940X Oct 19th, 2018 | SpecificationsComparison of core specifications | Core i9-14900KF Oct 17th, 2023 |
|---|---|---|
| General | ||
| Oct 19th, 2018 | Released | Oct 17th, 2023 |
| $1,387.00 | MSRP | $564.00 |
Desktop | Segment | Desktop |
| LGA2066 | Socket | LGA1700 |
| 165 W | Power Consumption | 125 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 3200 MHz (DDR4), 5600 MHz (DDR5) |
| No Integrated Graphics | Integrated GPU | No Integrated Graphics |
| Overclockable | Overclock Support | Overclockable |
