Buy on Amazon
$385
In Stock
AvailabilityMSRP in USD: $488
Availability
MSRP in USD: $488
Availability
Availability
Key Differences
In short — Core i9-9900K outperforms the cheaper Core i9-7940X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9900K is 413 days newer than the cheaper Core i9-7940X.
Advantages of Intel Core i9-9900K
- Performs up to 7% better in Starfield than Core i9-7940X - 62 vs 58 FPS
- Consumes up to 42% less energy than Intel Core i9-7940X - 95 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-7940X doesn't have integrated graphics
Advantages of Intel Core i9-7940X
- Up to 22% cheaper than Core i9-9900K - $302.0 vs $385.0
- Can execute more multi-threaded tasks simultaneously than Intel Core i9-9900K - 28 vs 16 threads
Starfield
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $385 on Amazon
In Stock
Updated 78132 minutes ago
Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W
Buy for $302 on Amazon
In Stock
Updated 78132 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9900K
Desktop • Oct 19th, 2018
Core i9-7940X
Desktop • Sep 1st, 2017
Geekbench 5 Benchmarks
Intel Core i9-9900K | vs | Intel Core i9-7940X |
|---|---|---|
Oct 19th, 2018 | Release Date | Sep 1st, 2017 |
| Core i9 | Collection | Core i9 |
| Coffee Lake | Codename | Skylake |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
| 8 | Cores | 14 |
| 16 | Threads | 28 |
3.6 GHz | Base Clock Speed | 3.1 GHz |
5.0 GHz | Turbo Clock Speed | 4.3 GHz |
95 W | TDP | 165 W |
| 14 nm | Process Size | 14 nm |
36.0x | Multiplier | 31.0x |
UHD Graphics 630 | Integrated Graphics | None |
| Yes | Overclockable | Yes |
Builds Using Core i9-9900K or Core i9-7940X
Starfield, 1920 x 1080, Ultra
26 FPS
$180.77/FPS
GeForce RTX 2080 Ti
Core i9-9900K
16 GB, 2 TB HDD
Buy on Amazon
$4,699.99
In Stock
18 FPS
$222.17/FPS
GeForce RTX 2080
Core i9-9900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$3,999
In Stock
13 FPS
$299.92/FPS
GeForce RTX 2070
Core i9-9900K
16 GB, 960 GB SSD + 3 TB HDD
Buy on Amazon
$3,899
In Stock
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