Intel Core 2 Duo E8400 vs Intel Pentium G645T
物理
| 插座 | Intel Socket 775 | Intel Socket 1155 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 45 nm | 32 nm |
| 晶体管 | 410 million | 504 million |
| 模具尺寸 | 104 mm² | 131 mm² |
| 包 | FC-LGA6 | FC-LGA10 |
| tCaseMax | 72°C | — |
性能
| 频率 | 3 GHz | 2.5 GHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 333 MHz | 100 MHz |
| 乘数 | 9.0x | 25.0x |
| 乘数解锁 | No | No |
| 电压 | 1.2 V | — |
| TDP | 65 W | 35 W |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | End-of-life | unknown |
| 发布日期 | Jan 1st, 2008 | Sep 2nd, 2012 |
| 代码名称 | Wolfdale | Sandy Bridge |
| 代 | Core 2 Duo | Pentium |
| 部分 | SLAPLSLB9J | SR0S0 |
| 内存支持 | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 2 | 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) |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 6MB (shared) | 256K (per core) |
| 缓存 L3 | — | 3MB (shared) |
笔记
| 笔记 | Spec Code of E0 Stepping: SLB9J | — |
|---|
特征
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| C1E | Yes | — |
| C2E | Yes | — |
| EIST | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| TXT | Yes | — |
| VT | Yes | — |
| VT-x | — | Yes |
| XD bit | — | Yes |
