Intel Core 2 Extreme QX9770 vs Intel Pentium B940
物理
| 插座 | Intel Socket 775 | Intel Socket G2 (988B) |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 45 nm | 32 nm |
| 晶体管 | 820 million | 504 million |
| 模具尺寸 | 2x 107 mm² | 131 mm² |
| 包 | FC-LGA4 | rPGA |
| tCaseMax | 55°C | — |
性能
| 频率 | 3.2 GHz | 2000 MHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 400 MHz | 100 MHz |
| 乘数 | 8.0x | 20.0x |
| 乘数解锁 | Yes | No |
| 电压 | 1.35 V | — |
| TDP | 136 W | 35 W |
建筑
| 市场 | Desktop | Mobile |
|---|---|---|
| 生产状况 | End-of-life | End-of-life |
| 发布日期 | Mar 24th, 2008 | Jun 19th, 2011 |
| 代码名称 | Yorkfield | Sandy Bridge |
| 代 | Core 2 Extreme | Pentium |
| 部分 | SLAWM | SR07S |
| 内存支持 | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 2 | — |
核心
| 核心数 | 4 | 2 |
|---|---|---|
| 线程数 | 4 | 2 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | — | Intel HD (Sandy Bridge) |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 12MB (shared) | 256K (per core) |
| 缓存 L3 | — | 2MB (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
| EIST | Yes | Yes |
|---|---|---|
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | — | Yes |
| VT-x | Yes | — |
| XD bit | — | Yes |
