Intel Xeon E5-2643 v2 vs Intel Xeon X5687
物理
| 插座 | Intel Socket 2011 | Intel Socket 1366 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 22 nm | 32 nm |
| 晶体管 | 1,400 million | 1,170 million |
| 模具尺寸 | 160 mm² | 239 mm² |
| 包 | — | FC-LGA10 |
性能
| 频率 | 3.5 GHz | 3.6 GHz |
|---|---|---|
| 涡轮时钟 | — | up to 3.866 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 35.0x | 27.0x |
| 乘数解锁 | No | No |
| TDP | 130 W | 130 W |
| 电压 | — | 1.35 V |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Sep 1st, 2013 | Feb 14th, 2011 |
| 代码名称 | Ivy Bridge-EP | Westmere-EP |
| 代 | Xeon E5 | Xeon |
| 部分 | SR19X | SLBVY |
| 内存支持 | DDR3 Quad-channel | DDR3 Triple-channel |
| ECC内存 | Yes | Yes |
| PCI Express | Gen 3 | Gen 2 |
核心
| 核心数 | 6 | 4 |
|---|---|---|
| 线程数 | 12 | 8 |
| 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 | 15MB (shared) | 12MB (shared) |
特征
| 6.4GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | — |
| ECC | Yes | — |
| EIST | Yes | Yes |
| EPT | Yes | — |
| F16C | 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 | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
