Intel Core i7-940 vs Intel Xeon E5-2420 v2
物理
| 插座 | Intel Socket 1366 | Intel Socket 1356 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 45 nm | 22 nm |
| 晶体管 | 731 million | 1,400 million |
| 模具尺寸 | 263 mm² | 160 mm² |
| 包 | FC-LGA8 | — |
性能
| 频率 | 2.933 GHz | 2.2 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.2 GHz | — |
| 基本时钟 | 133 MHz | 100 MHz |
| 乘数 | 22.0x | 22.0x |
| 乘数解锁 | No | No |
| 电压 | 1.375 V | — |
| TDP | 130 W | 80 W |
建筑
| 市场 | Desktop | Server/Workstation |
|---|---|---|
| 生产状况 | End-of-life | unknown |
| 发布日期 | Nov 17th, 2008 | Sep 1st, 2013 |
| 代码名称 | Bloomfield | Ivy Bridge-EN |
| 代 | Core i7 | Xeon E5 |
| 部分 | SLBCK | SR1AJ |
| 内存支持 | DDR3 Triple-channel | DDR3 |
| ECC内存 | No | Yes |
| PCI Express | Gen 2 | — |
核心
| 核心数 | 4 | 6 |
|---|---|---|
| 线程数 | 8 | 12 |
| 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) | 15MB (shared) |
特征
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| ECC | — | Yes |
| EIST | Yes | Yes |
| EPT | — | Yes |
| F16C | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | — | Yes |
| TXT | Yes | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| XD-Bit | Yes | — |
