AMD Opteron 6274 vs Intel Xeon E5649
Physical Specifications
| Socket | AMD Socket G34 | Intel Socket 1366 |
|---|---|---|
| Process size | 32 nm | 32 nm |
| Transistors | 2,400 million | 1,170 million |
| Die size | 316 mm² | 239 mm² |
| Package | — | FC-LGA10 |
| Foundry | — | Intel |
Performance
| Frequency | 2.2 GHz | 2.533 GHz |
|---|---|---|
| Turbo clock | up to 3.1 GHz | up to 2.8 GHz |
| Base clock | 200 MHz | 133 MHz |
| Multiplier | 11.0x | 19.0x |
| Multiplier unlocked | No | No |
| TDP | 115 W | 80 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Server/Workstation | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Nov 14th, 2011 | Feb 14th, 2011 |
| Codename | Interlagos | Westmere-EP |
| Generation | Opteron | Xeon |
| Part | OS6274WKTGGGU | SLBZ8 |
| Memory support | DDR3 | DDR3 Triple-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 16 | 6 |
|---|---|---|
| Total Threads | 16 | 12 |
| SMP # CPUs | 2 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 768K (shared) | 64K (per core) |
|---|---|---|
| Cache L2 | 8.00391MB (per core) | 256K (per core) |
| Cache L3 | 16MB | 12MB (shared) |
Features & Technologies
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES | Yes | — |
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| CLMUL | Yes | — |
| CVT16 | Yes | — |
| EIST | — | Yes |
| FMA4 | Yes | — |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-x | — | Yes |
| XD-Bit | — | Yes |
| XOP | Yes | — |
