Intel Core i9-11900KB vs Intel Core i9-7920X
物理
| 插座 | Intel BGA 1499 | Intel Socket 2066 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 10 nm | 14 nm |
| 晶体管 | unknown | unknown |
| 模具尺寸 | unknown | unknown |
| 包 | FC-BGA1499 | FC-LGA2066 |
| tCaseMax | 72°C | 72°C |
| tJMax | 100°C | — |
性能
| 频率 | 3.3 GHz | 2.9 GHz |
|---|---|---|
| 涡轮时钟 | up to 5.3 GHz | up to 4.4 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 33.0x | 29.0x |
| 乘数解锁 | Yes | Yes |
| TDP | 65 W | 140 W |
建筑
| 市场 | Mobile | Desktop |
|---|---|---|
| 生产状况 | Active | Active |
| 发布日期 | 2021 | Sep 10th, 2017 |
| 代码名称 | Tiger Lake-H | Skylake-X |
| 代 | Core i9 | Core i9 |
| 部分 | unknown | SR3NG |
| 内存支持 | DDR4-3200 MHz | DDR4 Quad-channel |
| ECC内存 | No | No |
| PCI Express | Gen 4, 20 Lanes(CPU only) | Gen 3 |
核心
| 核心数 | 8 | 12 |
|---|---|---|
| 线程数 | 16 | 24 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | UHD Graphics 750 | — |
快取
| 缓存 L1 | 96K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 1.25MB (per core) | 1MB (per core) |
| 缓存 L3 | 24MB (shared) | 16.5MB (shared) |
特征
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX-512 | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| Boost 2.0 | — | Yes |
| Boost 3.0 | Yes | Yes |
| CLMUL | Yes | Yes |
| EIST | Yes | Yes |
| F16C | Yes | Yes |
| FMA3 | Yes | 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 | Yes |
| TSX | Yes | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
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. |
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