Intel Core i5-8250U vs Intel Core i7-3940XM
物理
| 插座 | Intel BGA 1356 | Intel Socket G2 (988B) |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 14 nm | 22 nm |
| 晶体管 | unknown | 1,400 million |
| 模具尺寸 | 123 mm² | 160 mm² |
| 包 | FC-BGA1356 | FC-PGA12F |
| tCaseMax | 72°C | — |
性能
| 频率 | 1600 MHz | 3 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.4 GHz | up to 3.9 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 16.0x | 30.0x |
| 乘数解锁 | No | Yes |
| TDP | 15 W | 55 W |
建筑
| 市场 | Mobile | Mobile |
|---|---|---|
| 生产状况 | Active | End-of-life |
| 发布日期 | Aug 21st, 2017 | Sep 3rd, 2012 |
| 代码名称 | Kaby Lake-R | Ivy Bridge |
| 代 | Core i5 | Core i7 |
| 部分 | SR3LA | SR0US |
| 内存支持 | DDR4 | DDR3 Dual-channel |
| ECC内存 | No | No |
核心
| 核心数 | 4 | 4 |
|---|---|---|
| 线程数 | 8 | 8 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | UHD 620 | Intel HD 4000 |
快取
| 缓存 L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 256K (per core) |
| 缓存 L3 | 6MB (shared) | 8MB (shared) |
特征
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| Boost 2.0 | Yes | — |
| CLMUL | Yes | — |
| EIST | Yes | 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 | Yes |
| TSX | 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. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz |
|---|
