Buy on Amazon
$545
In Stock
Availability
Availability
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Key Differences
In short — Core i7-9800X outperforms the cheaper Core i5-6400 on the selected game parameters. However, the worse performing Core i5-6400 is a better bang for your buck. The better performing Core i7-9800X is 1205 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i7-9800X
- Performs up to 9% better in War Thunder than Core i5-6400 - 177 vs 163 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
Advantages of Intel Core i5-6400
- Up to 82% cheaper than Core i7-9800X - $99.95 vs $545.0
- Up to 80% better value when playing War Thunder than Core i7-9800X - $0.61 vs $3.08 per FPS
- Consumes up to 61% less energy than Intel Core i7-9800X - 65 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i7-9800X doesn't have integrated graphics
War Thunder
Resolution
1920 x 1080
Game Graphics
Movie
Core i7-9800X
Desktop • Oct 19th, 2018
FPS
177
100%
Value, $/FPS
$3.08/FPS
19.8051948051948%
Price, $
$545
18%
FPS Winner
Intel Core i7-9800X X-Series Processor 8 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC3)
Buy for $545 on Amazon
In Stock
Updated 349098 minutes ago
Core i5-6400
Desktop • Jul 2nd, 2015
FPS
163
92.09039548022598%
Value, $/FPS
$0.61/FPS
100%
Price, $
$99.95
100%
Value Winner
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $99.95 on Amazon
In Stock
Updated 349098 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Movie
Core i7-9800X
Desktop • Oct 19th, 2018
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
81.21345029239765%
Multi-Core
3023
41.1124711002312%
Intel Core i7-9800X | vs | Intel Core i5-6400 |
|---|---|---|
Oct 19th, 2018 | Release Date | Jul 2nd, 2015 |
| Core i7 | Collection | Core i5 |
| Skylake | Codename | Skylake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 4 |
16 | Threads | 4 |
3.8 GHz | Base Clock Speed | 2.7 GHz |
4.4 GHz | Turbo Clock Speed | 3.3 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
38.0x | Multiplier | 27.0x |
| None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
Builds Using Core i7-9800X or Core i5-6400
War Thunder, 1920 x 1080, Movie
106 FPS
$7.62/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$807.49
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.
