Buy on Amazon
$237
In Stock
Availability
Availability
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AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short — Core i9-11900KF outperforms Core i7-3940XM on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900KF is 3116 days newer than Core i7-3940XM.
Advantages of Intel Core i7-3940XM
- Consumes up to 56% less energy than Intel Core i9-11900KF - 55 vs 125 Watts
- Works without a dedicated GPU, while Intel Core i9-11900KF doesn't have integrated graphics
Advantages of Intel Core i9-11900KF
- Performs up to 273% better in League of Legends than Core i7-3940XM - 287 vs 77 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-3940XM - 16 vs 8 threads
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
287
100%
Value, $/FPS
$0.83/FPS
100%
Price, $
$237
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 $237 on Amazon
In Stock
Updated 32 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i7-3940XM
Mobile • Sep 3rd, 2012
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i7-3940XM | vs | Intel Core i9-11900KF |
|---|---|---|
| Sep 3rd, 2012 | Release Date | Mar 16th, 2021 |
| Core i7 Extreme | Collection | Core i9 |
| Ivy Bridge | Codename | Rocket Lake |
| Intel Socket G2 (988B) | Socket | Intel Socket 1200 |
Mobile | Segment | Desktop |
| 4 | Cores | 8 |
| 8 | Threads | 16 |
| 3.0 GHz | Base Clock Speed | 3.5 GHz |
| 3.9 GHz | Turbo Clock Speed | 5.3 GHz |
55 W | TDP | 125 W |
| 22 nm | Process Size | 14 nm |
| 30.0x | Multiplier | 35.0x |
Intel HD 4000 | Integrated Graphics | None |
| Yes | Overclockable | Yes |
Builds Using Core i7-3940XM or Core i9-11900KF
League of Legends, 1920 x 1080, Very High
274 FPS
$12.04/FPS
GeForce RTX 3090
Core i9-11900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,299.97
In Stock
269 FPS
$3.72/FPS
GeForce RTX 3070
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$999.99
In Stock
269 FPS
$5.94/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,599
In Stock
274 FPS
$11.68/FPS
Radeon RX 6900 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$3,199.99
In Stock
263 FPS
$4.29/FPS
GeForce RTX 3050
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,129
In Stock
274 FPS
$23.72/FPS
GeForce RTX 3090
Core i9-11900KF
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$6,499
In Stock
270 FPS
$7.22/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,949.99
In Stock
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