Intel Core i7-3970X vs Intel Xeon E3-1280
物理
| 插座 | Intel Socket 2011 | Intel Socket 1155 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 2,270 million | 1,160 million |
| 模具尺寸 | 435 mm² | 216 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
| tCaseMax | 70°C | — |
性能
| 频率 | 3.5 GHz | 3.5 GHz |
|---|---|---|
| 涡轮时钟 | up to 4 GHz | up to 3.9 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 35.0x | 35.0x |
| 乘数解锁 | Yes | No |
| 电压 | 1.35 V | — |
| TDP | 150 W | 95 W |
建筑
| 市场 | Desktop | Server/Workstation |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Nov 1st, 2012 | Apr 3rd, 2011 |
| 代码名称 | Sandy Bridge-E | Sandy Bridge |
| 代 | Core i7 | Xeon E3 |
| 部分 | SR0WR | SR00R |
| 内存支持 | DDR3 Quad-channel | DDR3 Dual-channel |
| ECC内存 | No | Yes |
| PCI Express | Gen 3 | Gen 3, 16 Lanes(CPU only) |
核心
| 核心数 | 6 | 4 |
|---|---|---|
| 线程数 | 12 | 8 |
| SMP # CPU | 1 | 1 |
| 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) | 8MB (shared) |
笔记
| 笔记 | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. | — |
|---|
特征
| 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 |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
