Intel Xeon E5-2643 vs Intel Xeon E5-2650
物理
| 插座 | Intel Socket 2011 | Intel Socket 2011 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 1,270 million | 2,270 million |
| 模具尺寸 | 294 mm² | 435 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
性能
| 频率 | 3.3 GHz | 2000 MHz |
|---|---|---|
| 涡轮时钟 | up to 3.5 GHz | up to 2.8 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 33.0x | 20.0x |
| 乘数解锁 | No | No |
| 电压 | 1.35 V | 1.35 V |
| TDP | 130 W | 95 W |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | unknown | unknown |
| 发布日期 | Mar 6th, 2012 | Mar 6th, 2012 |
| 代码名称 | Sandy Bridge-EP | Sandy Bridge-EP |
| 代 | Xeon E5 | Xeon E5 |
| 部分 | SR0L7 | SR0H4SR0KQ |
| 内存支持 | DDR3 Quad-channel | DDR3 Quad-channel |
| ECC内存 | Yes | Yes |
| PCI Express | Gen 3 | Gen 3 |
核心
| 核心数 | 4 | 8 |
|---|---|---|
| 线程数 | 8 | 16 |
| SMP # CPU | 2 | 2 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 10MB (shared) | 20MB (shared) |
特征
| 8.0GT/s QPI | Yes | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | Yes |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
