Buy on Amazon
$870.7
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-9940X outperforms the cheaper Core i5-9400F on the selected game parameters. However, the worse performing Core i5-9400F is a better bang for your buck. The better performing Core i9-9940X is 81 days older than the cheaper Core i5-9400F.
Advantages of Intel Core i9-9940X
- Performs up to 2% better in Battlefield V than Core i5-9400F - 242 vs 238 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400F - 28 vs 6 threads
Advantages of Intel Core i5-9400F
- Up to 87% cheaper than Core i9-9940X - $112.0 vs $870.7
- Up to 87% better value when playing Battlefield V than Core i9-9940X - $0.47 vs $3.6 per FPS
- Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
Battlefield V
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
FPS
242
100%
Value, $/FPS
$3.6/FPS
13.055555555555554%
Price, $
$870.7
12%
FPS Winner
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 349462 minutes ago
Core i5-9400F
Desktop • Jan 8th, 2019
FPS
238
98.34710743801654%
Value, $/FPS
$0.47/FPS
100%
Price, $
$112
100%
Value Winner
Intel® Core™ i5-9400F Desktop Processor 6 Cores 4.1 GHz Turbo Without Graphics
Buy for $112 on Amazon
In Stock
Updated 349462 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9940X
Desktop • Oct 19th, 2018
Core i5-9400F
Desktop • Jan 8th, 2019
Geekbench 5 Benchmarks
Core i5-9400F
Desktop • Jan 8th, 2019
Single-Core
1378
94.44825222755313%
Multi-Core
4834
45.034469908701325%
Intel Core i9-9940X | vs | Intel Core i5-9400F |
|---|---|---|
| Oct 19th, 2018 | Release Date | Jan 8th, 2019 |
| Core i9 | Collection | Core i5 |
| Skylake | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
14 | Cores | 6 |
28 | Threads | 6 |
3.3 GHz | Base Clock Speed | 2.9 GHz |
4.4 GHz | Turbo Clock Speed | 4.1 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
33.0x | Multiplier | 29.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i9-9940X or Core i5-9400F
Battlefield V, 1920 x 1080, Ultra
73 FPS
$15.44/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 120 GB SSD + 1 TB HDD
Buy on Amazon
$1,126.99
In Stock
73 FPS
$16.03/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 240 GB SSD + 1 TB HDD
Buy on Amazon
$1,169.99
In Stock
55 FPS
$12.71/FPS
GeForce GTX 1650
Core i5-9400F
8 GB, 512 GB SSD
Buy on Amazon
$699
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
