Intel Core i5-2450M vs Intel Core i7-640M
物理
| 插座 | Intel BGA 1023 | Intel Socket G1 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 624 million | 384 million |
| 模具尺寸 | 149 mm² | 81 mm² |
| 包 | rPGA | rPGA |
性能
| 频率 | 2.5 GHz | 2.8 GHz |
|---|---|---|
| 涡轮时钟 | — | up to 3.467 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 25.0x | 21.0x |
| 乘数解锁 | No | No |
| TDP | 35 W | 35 W |
建筑
| 市场 | Mobile | Mobile |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Jan 1st, 2012 | Sep 1st, 2010 |
| 代码名称 | Sandy Bridge | Arrandale |
| 代 | Core i5 | Core i7 |
| 部分 | SR0CH | SLBTN |
| 内存支持 | DDR3 Dual-channel | DDR3 |
| ECC内存 | No | No |
| PCI Express | — | Gen 2 |
核心
| 核心数 | 2 | 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 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 3MB (shared) | 4MB (shared) |
特征
| 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 |
| SSE4.1 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | Yes | Yes |
| TXT | — | Yes |
| Turbo Boost | Yes | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
笔记
| 笔记 | — | 177M GPU Transistors |
|---|
