Intel Core2 Duo E7400 vs AMD Opteron 860 HE |
Released January, 2008
Intel Core2 Duo E7400
- 2.8 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E7400
 | Much newer manufacturing process 45 nm | | Significantly higher clock speed 2.8 GHz |
| | Significantly more l2 cache 3 MB | | Much better overclocked clock speed (Air) 3.91 GHz |
VS
Released August, 2005
AMD Opteron 860 HE
- 1.6 GHz
- Dual core
Reasons to buy the AMD Opteron 860 HE
| | Supports more CPUs in SMP configuration 8 | | Lower typical power consumption 44.69W |
| | Lower annual home energy cost 13.25 $/year | | Lower annual commercial energy cost 48.18 $/year |
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Differences What are the advantages of each
| |||||||
| Much newer manufacturing process | 45 nm | vs | 90 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
|---|---|---|---|---|---|---|---|
| Significantly higher clock speed | 2.8 GHz | vs | 1.6 GHz | Around 75% higher clock speed | |||
| Significantly more l2 cache | 3 MB | vs | 2 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much better overclocked clock speed (Air) | 3.91 GHz | vs | 1.8 GHz | Around 2.2x better overclocked clock speed (Air) | |||
| Much more l2 cache per core | 1.5 MB/core | vs | 1 MB/core | 50% more l2 cache per core | |||
| Much better overclocked clock speed (Water) | 4.58 GHz | vs | 1.8 GHz | More than 2.5x better overclocked clock speed (Water) | |||
| Newer | Jan, 2008 | vs | Aug, 2005 | Release date over 2 years later | |||
| |||||||
| Supports more CPUs in SMP configuration | 8 | vs | 1 | 7 supports more CPUs in SMP configuration | |||
| Lower typical power consumption | 44.69W | vs | 52.81W | More than 15% lower typical power consumption | |||
| Lower annual home energy cost | 13.25 $/year | vs | 15.66 $/year | More than 15% lower annual home energy cost | |||
| Lower annual commercial energy cost | 48.18 $/year | vs | 56.94 $/year | More than 15% lower annual commercial energy cost | |||
Report a correction
Features Key features of the Core2 Duo E7400 vs Opteron 860 HE
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Core2 Duo E7400 | vs | Opteron 860 HE |
|---|---|---|---|
| Clock speed | 2.8 GHz | 1.6 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 775 | |||
| 940 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| 3DNow! | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
details | Core2 Duo E7400 | vs | Opteron 860 HE |
|---|---|---|---|
| Threads | 2 | 2 | |
| L2 cache | 3 MB | 2 MB | |
| L2 cache per core | 1.5 MB/core | 1 MB/core | |
| Manufacture process | 45 nm | 90 nm | |
| Max CPUs | 1 | 8 | |
| Clock multiplier | 10 | 8 | |
| Voltage range | 0.85 - 1.36V | 1.1 - UnknownV | |
| Operating temperature | Unknown - 74.1°C | 0 - 71°C | |
overclocking | |||
| Overclocked clock speed | 3.91 GHz | 1.8 GHz | |
| Overclocked clock speed (Water) | 4.58 GHz | 1.8 GHz | |
| Overclocked clock speed (Air) | 3.91 GHz | 1.8 GHz | |
power consumption | |||
| TDP | 65W | 55W | |
| Annual home energy cost | 15.66 $/year | 13.25 $/year | |
| Annual commercial energy cost | 56.94 $/year | 48.18 $/year | |
| Typical power consumption | 52.81W | 44.69W | |
 Intel Core2 Duo E7400  Report a correction |  AMD Opteron 860 HE Report a correction |
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