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AMD Athlon 255e vs AMD Athlon 638: Comparison
AMD Athlon 255e and AMD Athlon 638 separate most on l2 cache: AMD Athlon 255e at 2 MB, AMD Athlon 638 at 4 MB, 50% in favour of AMD Athlon 638. They match on 10 other specifications, including product line, form factor and codename.
Specs
| Specification |  | |
|---|---|---|
| Brand | AMD | AMD |
| Product Line | Other | Other |
| Form Factor | Desktop | Desktop |
| Codename | Athlon Legacy | Athlon Legacy |
| TDP | 45 W | 65 W |
| iGPU | Discrete Graphics Card Required | Discrete Graphics Card Required |
| Market Segment | Desktop | Desktop |
| Socket | AM3 | FM1 uPGA |
| Socket Status | End of Life | End of Life |
| Process Node | 45nm | 32nm |
| Performance Cores | 2 | 4 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | No | No |
| P-Core Base Clock | 3.1 | 2.7 |
| L2 Cache | 2 MB-50% | 4 MB |
| Base Power | 45 | 65 |
| Integrated Graphics | No | No |
| Retail Availability | Tray OEM | Boxed Retail |
| Cores | 2 | 4 |
| Threads | 2 | 4 |
| Memory Support | DDR3 | Not Listed |
| Unlocked for Overclocking | No | No |
| L2 Cache Total | 2 | 4 |