Intel Core i7-4940MX vs Intel Core i7-980
物理
| 插座 | Intel Socket G3 | Intel Socket 1366 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 22 nm | 32 nm |
| 晶体管 | 1,400 million | 1,170 million |
| 模具尺寸 | 177 mm² | 239 mm² |
| 包 | FC-PGA946 | FC-LGA10 |
| tCaseMax | 100°C | — |
性能
| 频率 | 3.1 GHz | 3.333 GHz |
|---|---|---|
| 涡轮时钟 | up to 4 GHz | up to 3.6 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 31.0x | 25.0x |
| 乘数解锁 | Yes | No |
| TDP | 57 W | 130 W |
| 电压 | — | 1.3 V |
建筑
| 市场 | Mobile | Desktop |
|---|---|---|
| 生产状况 | unknown | End-of-life |
| 发布日期 | Jan 20th, 2014 | Jun 26th, 2011 |
| 代码名称 | Haswell | Gulftown |
| 代 | Core i7 | Core i7 |
| 部分 | unknown | SLBYU |
| 内存支持 | DDR3 | DDR3 Triple-channel |
| ECC内存 | No | No |
| PCI Express | — | Gen 2 |
核心
| 核心数 | 4 | 6 |
|---|---|---|
| 线程数 | 8 | 12 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Intel HD 4600 | — |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 8MB (shared) | 12MB (shared) |
笔记
| 笔记 | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | — |
|---|
特征
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| AVX2 | Yes | — |
| CLMUL | Yes | — |
| EIST | Yes | — |
| FMA3 | Yes | — |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | — |
| TSX | Yes | — |
| TXT | Yes | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
