Intel Core 2 Quad Q8400 vs Intel Core i5-2450M
物理
| 插座 | Intel Socket 775 | Intel BGA 1023 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 45 nm | 32 nm |
| 晶体管 | 456 million | 624 million |
| 模具尺寸 | 2x 82 mm² | 149 mm² |
| 包 | FC-LGA6 | rPGA |
| tCaseMax | 71°C | — |
性能
| 频率 | 2.666 GHz | 2.5 GHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 333 MHz | 100 MHz |
| 乘数 | 8.0x | 25.0x |
| 乘数解锁 | No | No |
| 电压 | 1.11 V | — |
| TDP | 95 W | 35 W |
建筑
| 市场 | Desktop | Mobile |
|---|---|---|
| 生产状况 | End-of-life | unknown |
| 发布日期 | Apr 19th, 2009 | Jan 1st, 2012 |
| 代码名称 | Yorkfield | Sandy Bridge |
| 代 | Core 2 Quad | Core i5 |
| 部分 | SLGT6 | SR0CH |
| 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 | 4 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | — | Intel HD 3000 |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 4MB (shared) | 256K (per core) |
| 缓存 L3 | — | 3MB (shared) |
特征
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | Yes | Yes |
| HTT | — | 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 |
| Smart Cache | — | Yes |
| Turbo Boost | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| iAMT2 | Yes | — |
