4256 EE vs 4238: comparison
Comparison of 4256 EE and 4238: key differences and a full specification table.
Key differences
4256 EE has more cores (8 vs 6), more threads (8 vs 6) and a lower TDP (35 W vs 95 W).
At the same time, 4238 has a higher base clock (3.3 GHz vs 1.6 GHz) and a higher maximum clock (3.7 GHz vs 2.8 GHz).
Both processors match on: L3 cache (8 MB), process node (32 nm).
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 | 4256 EE | 4238 |
|---|---|---|
| Cores / threads | 8 / 8 | 6 / 6 |
| Max boost clock | 2.8 GHz | 3.7 GHz |
| L3 cache | 8 MB | 8 MB |
| TDP | 35 W | 95 W |
| Process | 32 nm | 32 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | 4256 EE | 4238 |
|---|---|---|
| General | ||
| Segment | Server | Server |
| Product line | AMD Opteron 4200 Series Processor | AMD Opteron 4200 Series Processor |
| Product family | AMD Opteron | AMD Opteron |
| Process | 32 nm | 32 nm |
| Unlocked for overclocking | No | No |
| CPU | ||
| Cores | 8 | 6 |
| Threads | 8 | 6 |
| Base clock | 1.6 GHz | 3.3 GHz |
| Max boost clock | 2.8 GHz | 3.7 GHz |
| L1 cache | 384 KB | 288 KB |
| L2 cache | 8 MB | 6 MB |
| L3 cache | 8 MB | 8 MB |
| TDP | 35 W | 95 W |
| Memory | ||
| Memory types | DDR3 | DDR3 |
| Max memory speed | 1.6 GHz | 2.2 GHz |
| Graphics | ||
| Has integrated graphics | No | No |
| Package and thermal | ||
| Sockets supported | C32 | C32 |
| TJUNCTION | 64 °C | 70.5 °C |
| Identifiers | ||
| Product ID (OEM) | OS4256HJU8KGU | OS4238WLU6KGU |