Intel Xeon E3-1280 v2 vs Intel Xeon E5640
物理
| 插座 | Intel Socket 1155 | 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-LGA12C | FC-LGA10 |
性能
| 频率 | 3.6 GHz | 2.666 GHz |
|---|---|---|
| 涡轮时钟 | up to 4 GHz | up to 2.933 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 36.0x | 20.0x |
| 乘数解锁 | No | No |
| TDP | 69 W | 80 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 | May 14th, 2012 | Mar 16th, 2010 |
| 代码名称 | Ivy Bridge | Westmere-EP |
| 代 | Xeon E3 | Xeon |
| 部分 | SR0P7 | SLBVC |
| 内存支持 | DDR3 Dual-channel | DDR3 Triple-channel |
| ECC内存 | Yes | Yes |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 2 |
核心
| 核心数 | 4 | 4 |
|---|---|---|
| 线程数 | 8 | 8 |
| SMP # CPU | 1 | 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 | 8MB (shared) | 12MB (shared) |
特征
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | — |
| ECC | 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 | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
