B77 vs B57: comparison
Comparison of B77 and B57: key differences and a full specification table.
Key differences
B77 has more cores (3 vs 2) and more threads (3 vs 2).
At the same time, B57 has a lower TDP (80 W vs 95 W).
Both processors match on: base clock (3.2 GHz).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | B77 | B57 |
|---|---|---|
| Cores / threads | 3 / 3 | 2 / 2 |
| TDP | 95 W | 80 W |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | B77 | B57 |
|---|---|---|
| General | ||
| Codename | Phenom | Phenom |
| Segment | Desktop | Desktop |
| Product line | AMD Business Class - AMD Phenom X3 Triple-Core | AMD Business Class - AMD Phenom X2 Dual-Core |
| Product family | AMD Phenom | AMD Phenom |
| Unlocked for overclocking | No | No |
| CPU | ||
| Cores | 3 | 2 |
| Threads | 3 | 2 |
| Base clock | 3.2 GHz | 3.2 GHz |
| L2 cache | 1.5 MB | 1 MB |
| TDP | 95 W | 80 W |
| Graphics | ||
| Has integrated graphics | No | No |
| Package and thermal | ||
| Sockets supported | AM3 | AM3 |
| Identifiers | ||
| Product ID (OEM) | HDXB77WFK3DGM | HDXB57WFK2DGM |