Intel Core i5-3450S vs Intel Core i7-2820QM
物理
| 插座 | Intel Socket 1155 | Intel Socket G2 (988B) |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 22 nm | 32 nm |
| 晶体管 | 1,400 million | 1,160 million |
| 模具尺寸 | 160 mm² | 216 mm² |
| 包 | FC-LGA12C | rPGA |
| tCaseMax | 69°C | — |
性能
| 频率 | 2.8 GHz | 2.3 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.5 GHz | up to 3.4 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 28.0x | 23.0x |
| 乘数解锁 | No | No |
| TDP | 65 W | 45 W |
建筑
| 市场 | Desktop | Mobile |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Apr 29th, 2012 | Jan 3rd, 2011 |
| 代码名称 | Ivy Bridge | Sandy Bridge |
| 代 | Core i5 | Core i7 |
| 部分 | SR0P2 | SR012 |
| 内存支持 | DDR3 Dual-channel | unknown Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 3, 16 Lanes(CPU only) | — |
核心
| 核心数 | 4 | 4 |
|---|---|---|
| 线程数 | 4 | 8 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Intel HD 2500 | 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 | 6MB (shared) | 8MB (shared) |
笔记
| 笔记 | Intel HD 2500 frequency: 650-1100MHz | — |
|---|
特征
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| EIST | Yes | Yes |
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
