Intel Xeon E3-1280 vs Intel Xeon E5-2665
物理
| 插座 | Intel Socket 1155 | Intel Socket 2011 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 1,160 million | 2,270 million |
| 模具尺寸 | 216 mm² | 435 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
性能
| 频率 | 3.5 GHz | 2.4 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.9 GHz | up to 3.1 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 35.0x | 24.0x |
| 乘数解锁 | No | No |
| TDP | 95 W | 115 W |
| 电压 | — | 1.35 V |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | End-of-life | unknown |
| 发布日期 | Apr 3rd, 2011 | Mar 6th, 2012 |
| 代码名称 | Sandy Bridge | Sandy Bridge-EP |
| 代 | Xeon E3 | Xeon E5 |
| 部分 | SR00R | SR0HBSR0L1 |
| 内存支持 | DDR3 Dual-channel | DDR3 Quad-channel |
| ECC内存 | Yes | Yes |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3 |
核心
| 核心数 | 4 | 8 |
|---|---|---|
| 线程数 | 8 | 16 |
| 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) | 20MB (shared) |
特征
| 8.0GT/s QPI | — | 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 |
