AMD Opteron 8381 HE vs 8380 |
Released April, 2009
AMD Opteron 8381 HE
- 2.5 GHz
- Quad core
Reasons to buy the AMD Opteron 8381 HE
 | Lower typical power consumption 44.69W | | Lower annual commercial energy cost 48.18 $/year |
| | Lower annual home energy cost 13.25 $/year |
VS
Released November, 2008
AMD Opteron 8380
- 2.5 GHz
- Quad core
Reasons to buy the 8380
| | Much better overclocked clock speed (Air) 3.11 GHz |
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Differences What are the advantages of each
| |||||||
| Lower typical power consumption | 44.69W | vs | 60.94W | More than 25% lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Lower annual commercial energy cost | 48.18 $/year | vs | 65.7 $/year | More than 25% lower annual commercial energy cost | |||
| Lower annual home energy cost | 13.25 $/year | vs | 18.07 $/year | More than 25% lower annual home energy cost | |||
| |||||||
| Much better overclocked clock speed (Air) | 3.11 GHz | vs | 2.5 GHz | Around 25% better overclocked clock speed (Air) | |||
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Features Key features of the Opteron 8381 HE vs 8380
clock speed
L2 cache
L3 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Opteron 8381 HE | vs | 8380 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 2.5 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| F | |||
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| 3DNow! | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 55W | 75W | |
| Annual home energy cost | 13.25 $/year | 18.07 $/year | |
| Annual commercial energy cost | 48.18 $/year | 65.7 $/year | |
| Typical power consumption | 44.69W | 60.94W | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Opteron 8381 HE | vs | 8380 |
|---|---|---|---|
| Threads | 4 | 4 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 6 MB | 6 MB | |
| L3 cache per core | 1.5 MB/core | 1.5 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 8 | 8 | |
| Clock multiplier | 12 | 12 | |
| Voltage range | 1.32 - UnknownV | 1.3 - UnknownV | |
| Operating temperature | 0 - 55°C | 0 - 55°C | |
overclocking | |||
| Overclocked clock speed | 2.5 GHz | 3.11 GHz | |
| Overclocked clock speed (Water) | 2.5 GHz | 2.5 GHz | |
| Overclocked clock speed (Air) | 2.5 GHz | 3.11 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
 AMD Opteron 8381 HE  Report a correction |  AMD Opteron 8380 Report a correction |
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