N870 vs N640: comparison
Comparison of N870 and N640: key differences and a full specification table.
Key differences
N870 has more cores (3 vs 2) and more threads (3 vs 2).
At the same time, N640 has a higher base clock (2.8 GHz vs 2.3 GHz).
Both processors match on: TDP (35 W).
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 | N870 | N640 |
|---|---|---|
| Cores / threads | 3 / 3 | 2 / 2 |
| TDP | 35 W | 35 W |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | N870 | N640 |
|---|---|---|
| General | ||
| Codename | Phenom | Phenom |
| Segment | Mobile | Mobile |
| Product line | AMD Phenom II Triple-Core Mobile Processors | AMD Phenom II Dual-Core Mobile Processors |
| Product family | AMD Phenom | AMD Phenom |
| Unlocked for overclocking | No | No |
| CPU | ||
| Cores | 3 | 2 |
| Threads | 3 | 2 |
| Base clock | 2.3 GHz | 2.8 GHz |
| L1 cache | 384 KB | 256 KB |
| L2 cache | 1.5 MB | 2 MB |
| TDP | 35 W | 35 W |
| Memory | ||
| Memory types | DDR3 | — |
| Graphics | ||
| Has integrated graphics | No | No |
| Package and thermal | ||
| Sockets supported | AM2+ | S1 |
| TJUNCTION | 100 °C | 100 °C |
| Identifiers | ||
| Product ID (OEM) | HMN870DCR32GM | HMN640DCR23GM |