Intel Pentium G645 vs Intel Pentium G850
物理
| 插座 | Intel Socket 1155 | Intel Socket 1155 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 504 million | 504 million |
| 模具尺寸 | 131 mm² | 131 mm² |
| 包 | FC-LGA10 | FC-LGA10 |
性能
| 频率 | 2.9 GHz | 2.9 GHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 29.0x | 29.0x |
| 乘数解锁 | No | No |
| TDP | 65 W | 65 W |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Sep 2nd, 2012 | May 22nd, 2011 |
| 代码名称 | Sandy Bridge | Sandy Bridge |
| 代 | Pentium | Pentium |
| 部分 | SR0RS | SR05Q |
| 内存支持 | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3, 16 Lanes(CPU only) |
核心
| 核心数 | 2 | 2 |
|---|---|---|
| 线程数 | 2 | 2 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Intel HD (Sandy Bridge) | Intel HD (Sandy Bridge) |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 3MB (shared) | 3MB (shared) |
特征
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| EIST | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
