Buy on Amazon
$870.7
In Stock
Availability
Availability
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short, we have a clear winner — Core i9-11900KF 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 i9-11900KF 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 i9-11900KF - 28 vs 16 threads
Advantages of Intel Core i9-11900KF
- Performs up to 20% better in Tom Clancy's Rainbow Six Siege than Core i9-9940X - 676 vs 565 FPS
- Up to 72% cheaper than Core i9-9940X - $240.0 vs $870.7
- Up to 77% better value when playing Tom Clancy's Rainbow Six Siege than Core i9-9940X - $0.36 vs $1.54 per FPS
- Consumes up to 24% less energy than Intel Core i9-9940X - 125 vs 165 Watts
Tom Clancy's Rainbow Six Siege
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
FPS
565
83.57988165680473%
Value, $/FPS
$1.54/FPS
23.376623376623375%
Price, $
$870.7
27%
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 350749 minutes ago
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
676
100%
Value, $/FPS
$0.36/FPS
100%
Price, $
$240
100%
FPS and Value Winner
Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W
Buy for $240 on Amazon
In Stock
Updated 350748 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i9-9940X | vs | Intel Core i9-11900KF |
|---|---|---|
| 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 | None |
| Yes | Overclockable | Yes |
Builds Using Core i9-9940X or Core i9-11900KF
Tom Clancy's Rainbow Six Siege, 1920 x 1080, Ultra
500 FPS
$2.4/FPS
Radeon RX 6800 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$1,199.99
In Stock
508 FPS
$6.5/FPS
GeForce RTX 3090
Core i9-11900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,299.97
In Stock
417 FPS
$4.47/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,862
In Stock
417 FPS
$2.84/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,184.4
In Stock
519 FPS
$6.17/FPS
Radeon RX 6900 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$3,199.99
In Stock
508 FPS
$4.38/FPS
GeForce RTX 3090
Core i9-11900KF
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,225
In Stock
477 FPS
$7.46/FPS
GeForce RTX 3080
Core i9-11900KF
64 GB, 2 TB HDD
Buy on Amazon
$3,559.99
In Stock
436 FPS
$4.01/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,749.99
In Stock
477 FPS
$6.79/FPS
GeForce RTX 3080
Core i9-11900KF
64 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,239.99
In Stock
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