The Core i7-3940XM 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 i7-3940XM
- Consumes up to 61% less energy – 55 vs 140 Watts
- Can run games without a dedicated GPU as it has integrated graphics
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 i7-3940XM vs Core i7-7820X for Gaming
The CPU's performance in selected game and settings
Core i7-3940XM
Sep 3rd, 2012
Average FPS
171
92%
Min 1% FPS
115
93%
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, €
€628.69
100%
Value, €/FPS
€3.38/FPS
100%
Core i7-3940XM 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
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Synthetic Benchmarks
The Core i7-3940XM vs Core i7-7820X in synthetic CPU benchmarks
Performance Specifications
The Core i7-3940XM vs Core i7-7820X in core CPU performance specifications
Core i7-3940XM
Sep 3rd, 2012
Cores
4-core
50%
L3 Cache
8 MB
73%
Base Frequency
3 GHz
83%
Turbo Frequency
3.9 GHz
91%
Max. DDR3 RAM Speed
MHz
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 i7-3940XM | SpecificationsComparison of all specifications | Core i7-7820X |
|---|---|---|
| General | ||
| Sep 3rd, 2012 | Release Date | Jun 26th, 2017 |
| Not Available | MSRP | $599.00 |
Laptop | Segment | Desktop |
| Intel Socket G2 (988B) | Socket | Intel Socket 2066 |
| Ivy Bridge | Codename | Skylake-E/EP |
55 W | Power Consumption | 140 W |
| Performance | ||
| 4 | Cores | 8 |
| 8 | Threads | 16 |
| 3.0 GHz | Base Frequency | 3.6 GHz |
| 3.9 GHz | Turbo Frequency | 4.3 GHz |
| 8 MB | L3 Cache | 11 MB |
| Other Features | ||
| DDR3 | RAM | DDR4 @ 2666 MHz |
Intel HD 4000 | Integrated Graphics | No |
| Yes | Overclockable | Yes |
