Intel Core i7-4558U vs Intel Core i7-940
物理
| 插座 | Intel BGA 1168 | Intel Socket 1366 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 22 nm | 45 nm |
| 晶体管 | 1,300 million | 731 million |
| 模具尺寸 | 118 mm² | 263 mm² |
| 包 | FC-BGA1168 | FC-LGA8 |
性能
| 频率 | 2.8 GHz | 2.933 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.3 GHz | up to 3.2 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 28.0x | 22.0x |
| 乘数解锁 | No | No |
| TDP | 28 W | 130 W |
| 电压 | — | 1.375 V |
建筑
| 市场 | Mobile | Desktop |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Jun 4th, 2013 | Nov 17th, 2008 |
| 代码名称 | Haswell-ULT | Bloomfield |
| 代 | Core i7 | Core i7 |
| 部分 | SR188 | SLBCK |
| 内存支持 | DDR3 | DDR3 Triple-channel |
| ECC内存 | No | No |
| PCI Express | — | Gen 2 |
核心
| 核心数 | 2 | 4 |
|---|---|---|
| 线程数 | 4 | 8 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Intel HD 5100 | — |
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) |
特征
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | — |
| TXT | Yes | Yes |
| VT-d | Yes | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
