Intel Core i7-990X vs Intel Xeon E3-1275
物理
| 插座 | Intel Socket 1366 | Intel Socket 1155 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 1,170 million | 1,160 million |
| 模具尺寸 | 239 mm² | 216 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
性能
| 频率 | 3.466 GHz | 3.4 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.733 GHz | up to 3.8 GHz |
| 基本时钟 | 133 MHz | 100 MHz |
| 乘数 | 26.0x | 34.0x |
| 乘数解锁 | Yes | No |
| 电压 | 1.375 V | — |
| TDP | 130 W | 95 W |
建筑
| 市场 | Desktop | Server/Workstation |
|---|---|---|
| 生产状况 | End-of-life | End-of-life |
| 发布日期 | Feb 24th, 2011 | Apr 3rd, 2011 |
| 代码名称 | Gulftown | Sandy Bridge |
| 代 | Core i7 | Xeon E3 |
| 部分 | SLBVZ | SR00P |
| 内存支持 | DDR3 Triple-channel | DDR3 Dual-channel |
| ECC内存 | No | Yes |
| PCI Express | Gen 2 | 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 | — | Intel HD P3000 |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 12MB (shared) | 8MB (shared) |
笔记
| 笔记 | This processor comes with an unlocked FSB 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 |
|---|---|---|
| AVX | — | Yes |
| EIST | — | 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 |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
