Intel Core i7-3920XM vs Intel Xeon E5649
物理
| 插座 | Intel Socket G2 (988B) | Intel Socket 1366 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 22 nm | 32 nm |
| 晶体管 | 1,400 million | 1,170 million |
| 模具尺寸 | 160 mm² | 239 mm² |
| 包 | FC-PGA12F | FC-LGA10 |
性能
| 频率 | 2.9 GHz | 2.533 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.8 GHz | up to 2.8 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 29.0x | 19.0x |
| 乘数解锁 | Yes | No |
| TDP | 55 W | 80 W |
| 电压 | — | 1.35 V |
建筑
| 市场 | Mobile | Server/Workstation |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Apr 29th, 2012 | Feb 14th, 2011 |
| 代码名称 | Ivy Bridge | Westmere-EP |
| 代 | Core i7 | Xeon |
| 部分 | SR0MHSR0T2 | SLBZ8 |
| 内存支持 | DDR3 Dual-channel | DDR3 Triple-channel |
| 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 | Intel HD 4000 | — |
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) | 12MB (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. Intel HD 4000 frequency: 650-1300MHz | — |
|---|
特征
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | 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 | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
