In Atomfall, the Xeon E5645 is slightly faster than the Core i7-820QM. We cannot compare value as at least one CPU is out of stock.
Xeon E5645
- Up to 2% faster in Atomfall – 190 vs 186 FPS
- Up to 2% faster in Atomfall
- Is 5 months and 21 days newer – Mar 16, 2010 vs Sep 23, 2009
- Is 5 months and 21 days newer
Core i7-820QM
- Consumes up to 44% less energy – 45 vs 80 Watts
- Consumes up to 44% less energy
- Can run games without a dedicated GPU using its integrated graphics
- Can run games without a dedicated GPU using its integrated graphics
Atomfall FPS Calculator
Xeon E5645 vs Core i7-820QM: Comparison of performance and price
All items are out of stock
All items are out of stock
Synthetic Benchmarks
The Xeon E5645 vs Core i7-820QM in synthetic CPU benchmarks
Performance Specifications
The Xeon E5645 vs Core i7-820QM in core CPU performance specifications
Xeon E5645
Mar 16th, 2010
Cores
6-core
100%
L3 Cache
12 MB
100%
Base Frequency
2.4 GHz
100%
Turbo Frequency
2.666 GHz
87%
Max. DDR3 RAM Speed
MHz
Core i7-820QM
Sep 23rd, 2009
Cores
4-core
67%
L3 Cache
8 MB
67%
Base Frequency
1.733 GHz
72%
Turbo Frequency
3.067 GHz
100%
Max. DDR3 RAM Speed
1333 MHz
100%
Specifications
Comparison of core specifications
Xeon E5645 Mar 16th, 2010 | SpecificationsComparison of core specifications | Core i7-820QM Sep 23rd, 2009 |
|---|---|---|
| General | ||
Mar 16th, 2010 | Release Date | Sep 23rd, 2009 |
| – | MSRP | $546.00 |
Server | Segment | Laptop |
| LGA1366 | Socket | LGAG1 |
| 80W | Power Consumption | 45W |
| Other Features | ||
| DDR3 | RAM | 1333 MHz (DDR3) |
| No Integrated Graphics | Integrated GPU | None |
| Not Overclockable | Overclock Support | Not Overclockable |
