Intel Xeon X5450 vs AMD Opteron 254 |
Released November, 2007
Intel Xeon X5450
- 3 GHz
- Quad core
Reasons to buy the Intel Xeon X5450
 | Much more l2 cache 12 MB | | Much more l2 cache per core 3 MB/core |
| | Significantly higher clock speed 3 GHz | | More cores 4 |
VS
Released August, 2005
AMD Opteron 254
- 2.8 GHz
- Single core
Reasons to buy the AMD Opteron 254
| | Significantly lower typical power consumption 75.24W | | Significantly lower annual commercial energy cost 81.12 $/year |
| | Significantly lower annual home energy cost 22.31 $/year |
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Intel Xeon X5450CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Much more l2 cache | 12 MB | vs | 1 MB | 12x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much more l2 cache per core | 3 MB/core | vs | 1 MB/core | 3x more l2 cache per core | |||
| Significantly higher clock speed | 3 GHz | vs | 2.8 GHz | More than 5% higher clock speed | |||
| More cores | 4 | vs | 1 | 3 more cores; run more applications at once | |||
| Much newer manufacturing process | 45 nm | vs | 90 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much better overclocked clock speed (Air) | 4.07 GHz | vs | 3 GHz | More than 35% better overclocked clock speed (Air) | |||
| More threads | 4 | vs | 1 | 3 more threads | |||
| Significantly better overclocked clock speed (Water) | 3 GHz | vs | 2.8 GHz | More than 5% better overclocked clock speed (Water) | |||
| Newer | Nov, 2007 | vs | Aug, 2005 | Release date over 2 years later | |||
| |||||||
| Significantly lower typical power consumption | 75.24W | vs | 97.5W | Around 25% lower typical power consumption | |||
| Significantly lower annual commercial energy cost | 81.12 $/year | vs | 105.12 $/year | Around 25% lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 22.31 $/year | vs | 28.91 $/year | Around 25% lower annual home energy cost | |||
Report a correction
Benchmarks Real world tests of Xeon X5450 vs Opteron 254
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon X5450 | vs | Opteron 254 |
|---|---|---|---|
| Clock speed | 3 GHz | 2.8 GHz | |
| Cores | Quad core | Single core | |
| Socket type | |||
| LGA 771 | |||
| 940 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| 3DNow! | |||
| Supports dynamic frequency scaling | Yes | Yes | |
details | Xeon X5450 | vs | Opteron 254 |
|---|---|---|---|
| Threads | 4 | 1 | |
| L2 cache | 12 MB | 1 MB | |
| L2 cache per core | 3 MB/core | 1 MB/core | |
| Manufacture process | 45 nm | 90 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 9 | 14 | |
| Voltage range | 0.85 - 1.35V | 1.3 - UnknownV | |
| Operating temperature | Unknown - 63°C | 0 - 67°C | |
overclocking | |||
| Overclocked clock speed | 4.07 GHz | 3 GHz | |
| Overclocked clock speed (Water) | 3 GHz | 2.8 GHz | |
| Overclocked clock speed (Air) | 4.07 GHz | 3 GHz | |
power consumption | |||
| TDP | 120W | 92.6W | |
| Annual home energy cost | 28.91 $/year | 22.31 $/year | |
| Annual commercial energy cost | 105.12 $/year | 81.12 $/year | |
| Performance per watt | 1.46 pt/W | 0.69 pt/W | |
| Typical power consumption | 97.5W | 75.24W | |
 Intel Xeon X5450  Report a correction |  AMD Opteron 254 Report a correction |
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