The Core i5-9400 is a slightly faster gaming CPU than the Core i7-7820X, however, it's a worse value for money, as it's $12.00 more expensive!
Advantages of the Core i5-9400
- A slightly faster CPU for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i7-7820X
- Up to 12% cheaper – $87.99 vs $99.99
- A slightly better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Core i5-9400 vs Core i7-7820X for Gaming
The CPU's performance in selected game and settings
Core i5-9400
Oct 19th, 2018
Average FPS
205
100%
Min 1% FPS
143
100%
Price, $
$99.99
87%
Value, $/FPS
$0.48/FPS
88%
Core i7-7820X
Jun 26th, 2017
Average FPS
205
100%
Min 1% FPS
142
99%
Price, $
$87.99
100%
Value, $/FPS
$0.42/FPS
100%
Core i5-9400 vs Core i7-7820X in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
Ultra
1920x1080
+2
Average FPS
Average FPS
Very High
1920x1080
Average FPS
Average FPS
Best Looking
1920x1080
Average FPS
Average FPS
High
1920x1080
+1
Average FPS
Average FPS
Very High
1920x1080
+2
Average FPS
Average FPS
Add a Game
Select Settings
Synthetic Benchmarks
The Core i5-9400 vs Core i7-7820X in synthetic CPU benchmarks
Performance Specifications
The Core i5-9400 vs Core i7-7820X in core CPU performance specifications
Core i5-9400
Oct 19th, 2018
Cores
6-core
75%
L3 Cache
9 MB
82%
Base Frequency
2.9 GHz
81%
Turbo Frequency
4.1 GHz
91%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i7-7820X
Jun 26th, 2017
Cores
8-core
100%
L3 Cache
11 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
4.5 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i5-9400 | SpecificationsComparison of all specifications | Core i7-7820X |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Jun 26th, 2017 |
| Not Available | MSRP | $599.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Coffee Lake | Codename | Skylake-X |
65 W | Power Consumption | 140 W |
| Performance | ||
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.9 GHz | Base Frequency | 3.6 GHz |
| 4.1 GHz | Turbo Frequency | 4.5 GHz |
| 9 MB | L3 Cache | 11 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
UHD 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
