The Core i7-990X is at least much slower gaming CPU than the Core i5-8400T. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i7-990X
- Can execute more multi-threaded tasks simultaneously – 12 vs 6 threads
Advantages of the Core i5-8400T
- At least 2x faster CPU for gaming
- Consumes up to 73% less energy – 35 vs 130 Watts
- Has an integrated GPU, while the Core i7-990X cannot run games without a dedicated GPU
Core i7-990X vs Core i5-8400T for Gaming
The CPU's performance in selected game and settings
Core i7-990X
Feb 24th, 2011
Average FPS
169
94%
Min 1% FPS
113
94%
Price, CA$
CA$344.78
100%
Value, CA$/FPS
CA$2.04/FPS
100%
Core i5-8400T
Apr 2nd, 2018
Average FPS
180
100%
Min 1% FPS
120
100%
Price, CA$
Out of Stock
Value, CA$/FPS
Not Available
All items are out of stock.
Core i7-990X vs Core i5-8400T 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 i7-990X vs Core i5-8400T in synthetic CPU benchmarks
Performance Specifications
The Core i7-990X vs Core i5-8400T in core CPU performance specifications
Core i7-990X
Feb 24th, 2011
Cores
6-core
100%
L3 Cache
12 MB
100%
Base Frequency
3.47 GHz
100%
Turbo Frequency
3.73 GHz
100%
Max. DDR3 RAM Speed
MHz
Core i5-8400T
Apr 2nd, 2018
Cores
6-core
100%
L3 Cache
9 MB
75%
Base Frequency
1.7 GHz
49%
Turbo Frequency
3.3 GHz
88%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-990X | SpecificationsComparison of all specifications | Core i5-8400T |
|---|---|---|
| General | ||
| Feb 24th, 2011 | Release Date | Apr 2nd, 2018 |
| Not Available | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1366 | Socket | Intel Socket 1151 |
| Gulftown | Codename | Coffee Lake |
| 130 W | Power Consumption | 35 W |
| Performance | ||
| 6 | Cores | 6 |
12 | Threads | 6 |
3.5 GHz | Base Frequency | 1.7 GHz |
3.7 GHz | Turbo Frequency | 3.3 GHz |
12 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR3 | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | UHD Graphics 630 |
Yes | Overclockable | No |
