In Atomfall, the Core i9-9940X is slightly slower than the Core i9-9900KF and it's also a much worse value for money, as it's $890 more expensive!
Core i9-9940X
No clear advantages
Core i9-9900KF
- Up to 1% faster in Atomfall – 218 vs 215 FPS
- Up to 1% faster in Atomfall
- Is 2 months and 20 days newer – Jan 08, 2019 vs Oct 19, 2018
- Is 2 months and 20 days newer
- Up to 69% cheaper – $399.00 vs $1288.88
- Up to 69% cheaper
- Up to 69% better value in Atomfall – $1.83 vs $5.99/FPS
- Up to 69% better value in Atomfall
- Consumes up to 42% less energy – 95 vs 165 Watts
- Consumes up to 42% less energy
Atomfall FPS Calculator
Core i9-9940X vs Core i9-9900KF: Comparison of performance and price
Core i9-9940X
Oct 19th, 2018
Average FPS
215 FPS
99%
Min 1% FPS
161 FPS
99%
Price, $
$1288.88
30%
Value, $/FPS
$5.99/FPS
31%
Core i9-9900KF
Jan 8th, 2019
Average FPS
218 FPS
100%
Min 1% FPS
163 FPS
100%
Price, $
$399
100%
Value, $/FPS
$1.83/FPS
100%
Synthetic Benchmarks
The Core i9-9940X vs Core i9-9900KF in synthetic CPU benchmarks
Performance Specifications
The Core i9-9940X vs Core i9-9900KF in core CPU performance specifications
Core i9-9940X
Oct 19th, 2018
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.3 GHz
92%
Turbo Frequency
4.5 GHz
90%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-9900KF
Jan 8th, 2019
Cores
8-core
57%
L3 Cache
16 MB
83%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of core specifications
Core i9-9940X Oct 19th, 2018 | SpecificationsComparison of core specifications | Core i9-9900KF Jan 8th, 2019 |
|---|---|---|
| General | ||
| Oct 19th, 2018 | Released | Jan 8th, 2019 |
| $1,387.00 | MSRP | $488.00 |
Desktop | Segment | Desktop |
| LGA2066 | Socket | LGA1151 |
| 165 W | Power Consumption | 95 W |
| Other Features | ||
| 2666 MHz (DDR4) | RAM | 2666 MHz (DDR4) |
| No Integrated Graphics | Integrated GPU | No Integrated Graphics |
| Overclockable | Overclock Support | Overclockable |
