Intel Xeon E5-2640 vs Intel Xeon E5-2650 v2
物理
| 插座 | Intel Socket 2011 | Intel Socket 2011 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 22 nm |
| 晶体管 | 2,270 million | 1,400 million |
| 模具尺寸 | 435 mm² | 160 mm² |
| 包 | FC-LGA10 | — |
性能
| 频率 | 2.5 GHz | 2.6 GHz |
|---|---|---|
| 涡轮时钟 | up to 3 GHz | up to 3.4 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 25.0x | 26.0x |
| 乘数解锁 | No | No |
| 电压 | 1.35 V | — |
| TDP | 95 W | 95 W |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | unknown | unknown |
| 发布日期 | Mar 6th, 2012 | Sep 1st, 2013 |
| 代码名称 | Sandy Bridge-EP | Ivy Bridge-EP |
| 代 | Xeon E5 | Xeon E5 |
| 部分 | SR0H5SR0KR | SR1A8 |
| 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 | 6 | 8 |
|---|---|---|
| 线程数 | 12 | 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 | 15MB (shared) | 20MB (shared) |
特征
| 7.2GT/s QPI | Yes | — |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | 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 | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
