Buy on Amazon
$870.7
In Stock
Availability
Availability
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
Key Differences
In short, we have a clear winner — Core i9-11900K outperforms the more expensive Core i9-9940X on the selected game parameters, and is also a better bang for your buck! The better performing Core i9-11900K is 879 days newer than the more expensive Core i9-9940X.
Advantages of Intel Core i9-9940X
- Can execute more multi-threaded tasks simultaneously than Intel Core i9-11900K - 28 vs 16 threads
Advantages of Intel Core i9-11900K
- Performs up to 21% better in Tom Clancy's Rainbow Six Siege than Core i9-9940X - 683 vs 565 FPS
- Up to 70% cheaper than Core i9-9940X - $265.0 vs $870.7
- Up to 75% better value when playing Tom Clancy's Rainbow Six Siege than Core i9-9940X - $0.39 vs $1.54 per FPS
- Consumes up to 24% less energy than Intel Core i9-9940X - 125 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-9940X doesn't have integrated graphics
Tom Clancy's Rainbow Six Siege
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
FPS
565
82.72327964860908%
Value, $/FPS
$1.54/FPS
25.324675324675326%
Price, $
$870.7
30%
Intel Core i9-9940X X-Series Processor 14 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC9)
Buy for $870.7 on Amazon
In Stock
Updated 350726 minutes ago
Core i9-11900K
Desktop • Mar 16th, 2021
FPS
683
100%
Value, $/FPS
$0.39/FPS
100%
Price, $
$265
100%
FPS and Value Winner
Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Chipset) 125W
Buy for $265 on Amazon
In Stock
Updated 350726 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i9-9940X
Desktop • Oct 19th, 2018
Single-Core
1459
61.53521720792915%
Multi-Core
10734
98.04530507855316%
Intel Core i9-9940X | vs | Intel Core i9-11900K |
|---|---|---|
| Oct 19th, 2018 | Release Date | Mar 16th, 2021 |
| Core i9 | Collection | Core i9 |
| Skylake | Codename | Rocket Lake |
| Intel Socket 2066 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
14 | Cores | 8 |
28 | Threads | 16 |
| 3.3 GHz | Base Clock Speed | 3.5 GHz |
| 4.4 GHz | Turbo Clock Speed | 5.3 GHz |
| 165 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 33.0x | Multiplier | 35.0x |
| None | Integrated Graphics | UHD Graphics 750 |
| Yes | Overclockable | Yes |
Builds Using Core i9-9940X or Core i9-11900K
Tom Clancy's Rainbow Six Siege, 1920 x 1080, Ultra
299 FPS
$6.18/FPS
GeForce RTX 3050
Core i9-11900K
32 GB, 2 TB SSD
Buy on Amazon
$1,849
In Stock
484 FPS
$3.51/FPS
GeForce RTX 3080
Core i9-11900K
32 GB, N/A Storage
Buy on Amazon
$1,699
In Stock
344 FPS
$5.52/FPS
GeForce RTX 3060
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$1,899
In Stock
376 FPS
$6.14/FPS
GeForce RTX 4060
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$2,308
In Stock
299 FPS
$6.69/FPS
GeForce RTX 3050
Core i9-11900K
16 GB, 2 TB SSD
Buy on Amazon
$1,999
In Stock
484 FPS
$7.42/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,589
In Stock
484 FPS
$5.12/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$2,478.59
In Stock
299 FPS
$6.18/FPS
GeForce RTX 3050
Core i9-11900K
64 GB, 1 TB SSD
Buy on Amazon
$1,849
In Stock
484 FPS
$4.68/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 2 TB SSD + 1 TB HDD
Buy on Amazon
$2,267
In Stock
394 FPS
$3.55/FPS
GeForce RTX 3060 Ti
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$1,399
In Stock
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