AMD Opteron X2 285 vs Intel Celeron B840
Physical Specifications
| Socket | AMD Socket 940 | Intel Socket G2 (988B) |
|---|---|---|
| Process size | 90 nm | 32 nm |
| Transistors | 233 million | 504 million |
| Die size | unknown | 131 mm² |
| Package | µPGA | rPGA |
| Foundry | — | Intel |
Performance
| Frequency | 2.6 GHz | 1900 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 13.0x | 19.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.35 V | — |
| TDP | 95 W | 35 W |
Architecture Details
| Vertical Segment | Server/Workstation | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 6th, 2006 | Jul 1st, 2011 |
| Codename | Italy | Sandy Bridge |
| Generation | Opteron X2 | Celeron |
| Part | OSA285FAA6CB | SR0EN |
| Memory support | unknown Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 2 | 1 |
| Integrated graphics | — | Intel HD (Sandy Bridge) |
Cache
| Cache L1 | 128K | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB | 256K (per core) |
| Cache L3 | — | 2MB (shared) |
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AMD64 | Yes | — |
| EIST | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| Smart Cache | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
