AMD Athlon II X2 255 vs AMD Opteron X2 260 HE
Physical Specifications
| Socket | AMD Socket AM3 | AMD Socket 940 |
|---|---|---|
| Process size | 45 nm | 90 nm |
| Transistors | 410 million | 233 million |
| Die size | 117 mm² | unknown |
| Package | µPGA | µPGA |
Performance
| Frequency | 3.1 GHz | 1600 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 200 MHz |
| Multiplier | 15.5x | 8.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.15 V | 1.35 V |
| TDP | 65 W | 55 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 25th, 2010 | Aug 1st, 2005 |
| Codename | Regor | Italy |
| Generation | Athlon II X2 | Opteron X2 |
| Part | ADX255OCK23GQ | OSK260FAA6CB |
| Memory support | DDR3 Dual-channel | unknown Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K | 128K |
|---|---|---|
| Cache L2 | 1MB | 1MB |
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | Yes | — |
