Intel Core i7-4771 vs Intel Core i7-990X
物理
| 插座 | Intel Socket 1150 | 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-LGA10 |
| tCaseMax | 72°C | — |
性能
| 频率 | 3.5 GHz | 3.466 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.9 GHz | up to 3.733 GHz |
| 基本时钟 | 100 MHz | 133 MHz |
| 乘数 | 35.0x | 26.0x |
| 乘数解锁 | No | Yes |
| TDP | 84 W | 130 W |
| 电压 | — | 1.375 V |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | Active | End-of-life |
| 发布日期 | Sep 1st, 2013 | Feb 24th, 2011 |
| 代码名称 | Haswell | Gulftown |
| 代 | Core i7 | Core i7 |
| 部分 | SR1BW | SLBVZ |
| 内存支持 | DDR3 Dual-channel | DDR3 Triple-channel |
| ECC内存 | No | No |
| PCI Express | Gen 3 | 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) |
特征
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| Boost 2.0 | Yes | — |
| CLMUL | Yes | — |
| EIST | Yes | — |
| F16C | 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-d | Yes | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
| vPro | Yes | — |
笔记
| 笔记 | — | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. |
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