Intel Core i7-990X vs Intel Xeon L5638
物理
| 插座 | Intel Socket 1366 | Intel Socket 1366 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 1,170 million | 1,170 million |
| 模具尺寸 | 239 mm² | 239 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
性能
| 频率 | 3.466 GHz | 2000 MHz |
|---|---|---|
| 涡轮时钟 | up to 3.733 GHz | up to 2.4 GHz |
| 基本时钟 | 133 MHz | 133 MHz |
| 乘数 | 26.0x | 15.0x |
| 乘数解锁 | Yes | No |
| 电压 | 1.375 V | 1.35 V |
| TDP | 130 W | 60 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 | Mar 16th, 2010 |
| 代码名称 | Gulftown | Westmere-EP |
| 代 | Core i7 | Xeon |
| 部分 | SLBVZ | SLBWY |
| 内存支持 | DDR3 Triple-channel | DDR3 Triple-channel |
| ECC内存 | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
核心
| 核心数 | 6 | 6 |
|---|---|---|
| 线程数 | 12 | 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 | 12MB (shared) | 12MB (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
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | — | 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-x | — | Yes |
| XD-Bit | — | Yes |
