The Core i7-840QM is at least 2x slower gaming CPU than the Core i7-7820X. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i7-840QM
- Consumes up to 68% less energy – 45 vs 140 Watts
- Has an integrated GPU, while the Core i7-7820X cannot run games without a dedicated GPU
Advantages of the Core i7-7820X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 16 vs 8 threads
Core i7-840QM vs Core i7-7820X for Gaming
The CPU's performance in selected game and settings
Core i7-840QM
Jun 20th, 2010
Average FPS
166
89%
Min 1% FPS
112
91%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock
Core i7-7820X
Jun 26th, 2017
Average FPS
186
100%
Min 1% FPS
123
100%
Price, $
$379
100%
Value, $/FPS
$2.03/FPS
100%
Core i7-840QM vs Core i7-7820X 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 i7-840QM vs Core i7-7820X in synthetic CPU benchmarks
Performance Specifications
The Core i7-840QM vs Core i7-7820X in core CPU performance specifications
Core i7-840QM
Jun 20th, 2010
Cores
4-core
50%
L3 Cache
8 MB
73%
Base Frequency
1.87 GHz
52%
Turbo Frequency
3.2 GHz
74%
Max. DDR3 RAM Speed
1333 MHz
50%
Core i7-7820X
Jun 26th, 2017
Cores
8-core
100%
L3 Cache
11 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-840QM | SpecificationsComparison of all specifications | Core i7-7820X |
|---|---|---|
| General | ||
| Jun 20th, 2010 | Release Date | Jun 26th, 2017 |
$568.00 | MSRP | $599.00 |
Mobile | Segment | Desktop |
| Intel Socket G1 | Socket | Intel Socket 2066 |
| Clarksfield | Codename | Skylake-E/EP |
45 W | Power Consumption | 140 W |
| Performance | ||
| 4 | Cores | 8 |
| 8 | Threads | 16 |
| 1.9 GHz | Base Frequency | 3.6 GHz |
| 3.2 GHz | Turbo Frequency | 4.3 GHz |
| 8 MB | L3 Cache | 11 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 @ 2666 MHz |
None | Integrated Graphics | No |
| No | Overclockable | Yes |
