AMD Opteron 6276 vs Intel Xeon E5645
物理
| 插座 | AMD Socket G34 | Intel Socket 1366 |
|---|---|---|
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 2,400 million | 1,170 million |
| 模具尺寸 | 316 mm² | 239 mm² |
| 包 | — | FC-LGA10 |
| 铸造厂 | — | Intel |
性能
| 频率 | 2.3 GHz | 2.4 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.2 GHz | up to 2.666 GHz |
| 基本时钟 | 200 MHz | 133 MHz |
| 乘数 | 11.5x | 18.0x |
| 乘数解锁 | No | No |
| TDP | 115 W | 80 W |
| 电压 | — | 1.35 V |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | End-of-life | End-of-life |
| 发布日期 | Nov 14th, 2011 | Mar 16th, 2010 |
| 代码名称 | Interlagos | Westmere-EP |
| 代 | Opteron | Xeon |
| 部分 | OS6276WKTGGGU | SLBWZ |
| 内存支持 | DDR3 | DDR3 Triple-channel |
| ECC内存 | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
核心
| 核心数 | 16 | 6 |
|---|---|---|
| 线程数 | 16 | 12 |
| SMP # CPU | 4 | 2 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 768K | 64K (per core) |
|---|---|---|
| 缓存 L2 | 16MB | 256K (per core) |
| 缓存 L3 | 8MB (per die) | 12MB (shared) |
笔记
| 笔记 | 16KB L1 data cache per core. 64KB L1 instruction cache shared per two cores (per module). 2MB L2 cache shared per two cores (per module). 8MB L3 cache shared per eight cores (per die). 14MB total L3 cache available when using HT Assist. | — |
|---|
特征
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES | Yes | — |
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| CLMUL | Yes | — |
| CVT16 | Yes | — |
| EIST | — | Yes |
| EVP | 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 | — |
