AMD Phenom II X3 B75 vs X2 550 |
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Released November, 2009
AMD Phenom II X2 550
- 3.1 GHz
- Dual core
- Unlocked
Reasons to buy the X2 550
 | Is unlocked Yes |
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Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Phenom II X3 B75 vs the Phenom II X2 550. | |||||||
| |||||||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
|---|---|---|---|---|---|---|---|
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Benchmarks Real world tests of Phenom II X3 B75 vs X2 550
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Phenom II X3 B75 | vs | X2 550 |
|---|---|---|---|
| Clock speed | 3 GHz | 3.1 GHz | |
| Cores | Tri core | Dual core | |
| Socket type | |||
| AM3 | |||
| Is unlocked | No | Yes | |
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 | 95W | 80W | |
| Annual home energy cost | 22.89 $/year | 46.25 $/year | |
| Annual commercial energy cost | 83.22 $/year | 120.89 $/year | |
| Performance per watt | 1.46 pt/W | 0.89 pt/W | |
| Typical power consumption | 77.19W | 124.5W | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Phenom II X3 B75 | vs | X2 550 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 3 | 2 | |
| L2 cache | 2 MB | 1 MB | |
| L2 cache per core | 0.67 MB/core | 0.5 MB/core | |
| L3 cache | 6 MB | 6 MB | |
| L3 cache per core | 2 MB/core | 3 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Voltage range | 0.8 - 1.43V | 0.85 - 1.43V | |
| Operating temperature | Unknown - 73°C | Unknown - 70°C | |
overclocking | |||
| Overclocked clock speed | 4.2 GHz | 3.81 GHz | |
| Overclocked clock speed (Water) | 3 GHz | 3.12 GHz | |
| Overclocked clock speed (Air) | 4.2 GHz | 3.81 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 Phenom II X3 B75  Report a correction |  AMD Phenom II X2 550 Report a correction |
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