Intel Core i7-5557U vs Intel Core i7-875K
物理
| 插座 | Intel BGA 1168 | Intel Socket 1156 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 14 nm | 45 nm |
| 晶体管 | unknown | 774 million |
| 模具尺寸 | unknown | 296 mm² |
| 包 | FC-BGA1168 | FC-LGA8 |
| tCaseMax | 105°C | — |
性能
| 频率 | 3.1 GHz | 2.933 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.4 GHz | up to 3.6 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 31.0x | 22.0x |
| 乘数解锁 | No | No |
| TDP | 28 W | 95 W |
| 电压 | — | 1.4 V |
建筑
| 市场 | Mobile | Desktop |
|---|---|---|
| 生产状况 | Active | End-of-life |
| 发布日期 | Mar 1st, 2015 | May 30th, 2010 |
| 代码名称 | Broadwell-U | Lynnfield |
| 代 | Core i7 | Core i7 |
| 部分 | SR26E | SLBS2 |
| 内存支持 | DDR3 | DDR3 Dual-channel |
| ECC内存 | No | No |
| PCI Express | — | Gen 2, 16 Lanes(CPU only) |
核心
| 核心数 | 2 | 4 |
|---|---|---|
| 线程数 | 4 | 8 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Intel Iris 6100 | — |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 4MB (shared) | 8MB (shared) |
笔记
| 笔记 | Intel HD frequency: 300-1100MHz | — |
|---|
特征
| 64-bit | Yes | — |
|---|---|---|
| ADX | Yes | — |
| EIST | Yes | — |
| HTT | Yes | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| PREFETCHW | Yes | — |
| RDSEED | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | Yes | — |
| TBT | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
