AMD Phenom X4 9850 vs X3 B77 |
Released July, 2008
AMD Phenom X4 9850
- 2.5 GHz
- Quad core
- Unlocked
Reasons to buy the AMD Phenom X4 9850
 | Is unlocked Yes |
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Differences What are the advantages of each
| |||||||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
|---|---|---|---|---|---|---|---|
| |||||||
| CPUBoss is not aware of any important advantages of the Phenom X3 B77 vs the Phenom X4 9850. | |||||||
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Benchmarks Real world tests of Phenom X4 9850 vs X3 B77
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Phenom X4 9850 | vs | X3 B77 |
|---|---|---|---|
| Clock speed | 2.5 GHz | 3.2 GHz | |
| Cores | Quad core | Tri core | |
| Is unlocked | Yes | 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 | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Phenom X4 9850 | vs | X3 B77 |
|---|---|---|---|
| Threads | 4 | 3 | |
| L2 cache | 2 MB | 1.5 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 2 MB | 0 MB | |
| L3 cache per core | 0.5 MB/core | 0 MB/core | |
| Manufacture process | 65 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 2.72 GHz | 3.2 GHz | |
| Overclocked clock speed (Water) | 2.88 GHz | 4.4 GHz | |
| Overclocked clock speed (Air) | 2.72 GHz | 3.2 GHz | |
power consumption | |||
| TDP | 125W | 95W | |
| Annual home energy cost | 30.11 $/year | 22.89 $/year | |
| Annual commercial energy cost | 109.5 $/year | 83.22 $/year | |
| Performance per watt | 0.96 pt/W | 1.38 pt/W | |
| Typical power consumption | 101.56W | 77.19W | |
 AMD Phenom X4 9850  Report a correction |  AMD Phenom X3 B77 Report a correction |
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