The Core i5-8400 is at least 2x slower gaming CPU than the Core i9-13900K, however, it's a much better value for money, as it's $417.60 cheaper!
Advantages of the Core i5-8400
- Up to 85% cheaper – $72.39 vs $489.99
- A much better value for money for gaming
- Consumes up to 48% less energy – 65 vs 125 Watts
Advantages of the Core i9-13900K
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 32 vs 6 threads
Core i5-8400 vs Core i9-13900K for Gaming
The CPU's performance in selected game and settings
Core i5-8400
Oct 5th, 2017
Average FPS
185
84%
Min 1% FPS
123
85%
Price, $
$72.39
100%
Value, $/FPS
$0.39/FPS
100%
Core i9-13900K
Sep 27th, 2022
Average FPS
221
100%
Min 1% FPS
145
100%
Price, $
$489.99
14%
Value, $/FPS
$2.21/FPS
18%
Core i5-8400 vs Core i9-13900K in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i5-8400 vs Core i9-13900K in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs Core i9-13900K in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
25%
L3 Cache
9 MB
25%
Base Frequency
2.8 GHz
93%
Turbo Frequency
4 GHz
69%
Max. DDR4 RAM Speed
2666 MHz
48%
Core i9-13900K
Sep 27th, 2022
Cores
24-core
100%
L3 Cache
36 MB
100%
Base Frequency
3 GHz
100%
Turbo Frequency
5.8 GHz
100%
Max. DDR5 RAM Speed
5600 MHz
100%
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | Core i9-13900K |
|---|---|---|
| General | ||
| Oct 5th, 2017 | Release Date | Sep 27th, 2022 |
$182.00 | MSRP | $589.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1700 |
| Coffee Lake | Codename | Raptor Lake |
65 W | Power Consumption | 125 W |
| Performance | ||
| 6 | Cores | 24 |
| 6 | Threads | 32 |
| 2.8 GHz | Base Frequency | 3.0 GHz |
| 4.0 GHz | Turbo Frequency | 5.8 GHz |
| 9 MB | L3 Cache | 36 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 3200 MHz, DDR5 @ 5600 MHz |
| UHD Graphics 630 | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
