AMD Phenom X3 B77 vs II X3 720 |
VS
Released February, 2009
AMD Phenom II X3 720
- 2.8 GHz
- Tri core
- Unlocked
Reasons to buy the II X3 720
 | 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 X3 B77 vs the Phenom II X3 720. | |||||||
| |||||||
| Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
|---|---|---|---|---|---|---|---|
Report a correction
Benchmarks Real world tests of Phenom X3 B77 vs II X3 720
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Phenom X3 B77 | vs | II X3 720 |
|---|---|---|---|
| Clock speed | 3.2 GHz | 2.8 GHz | |
| Cores | Tri core | Tri core | |
| 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 | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Phenom X3 B77 | vs | II X3 720 |
|---|---|---|---|
| Threads | 3 | 3 | |
| L2 cache | 1.5 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 0.67 MB/core | |
| L3 cache | 0 MB | 6 MB | |
| L3 cache per core | 0 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 3.2 GHz | 3.61 GHz | |
| Overclocked clock speed (Water) | 4.4 GHz | 3.86 GHz | |
| Overclocked clock speed (Air) | 3.2 GHz | 3.61 GHz | |
power consumption | |||
| TDP | 95W | 95W | |
| Annual home energy cost | 22.89 $/year | 22.89 $/year | |
| Annual commercial energy cost | 83.22 $/year | 83.22 $/year | |
| Performance per watt | 1.38 pt/W | 1.38 pt/W | |
| Typical power consumption | 77.19W | 77.19W | |
 AMD Phenom X3 B77  Report a correction |  AMD Phenom II X3 720 Report a correction |
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