AMD Athlon II X4 638 vs Intel Core i7-4550U
物理
| 插座 | AMD Socket FM1 | Intel BGA 1168 |
|---|---|---|
| 工艺尺寸 | 32 nm | 22 nm |
| 晶体管 | 1,178 million | 1,300 million |
| 模具尺寸 | 228 mm² | 118 mm² |
| 包 | µPGA | FC-BGA1168 |
| 铸造厂 | — | Intel |
性能
| 频率 | 2.7 GHz | 1500 MHz |
|---|---|---|
| 涡轮时钟 | — | up to 3 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 27.0x | 15.0x |
| 乘数解锁 | No | No |
| 电压 | 1.4125 V | — |
| TDP | 65 W | 15 W |
建筑
| 市场 | Desktop | Mobile |
|---|---|---|
| 生产状况 | unknown | unknown |
| 发布日期 | Feb 6th, 2012 | Jun 4th, 2013 |
| 代码名称 | Llano | Haswell-ULT |
| 代 | Athlon II X4 | Core i7 |
| 部分 | AD638XOJZ43GXAD638XOJGXBOX | SR16J |
| 内存支持 | DDR3 Dual-channel | DDR3 |
| ECC内存 | No | No |
核心
| 核心数 | 4 | 2 |
|---|---|---|
| 线程数 | 4 | 4 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | — | HD Graphics 5000 |
快取
| 缓存 L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 1MB (per core) | 256K (per core) |
| 缓存 L3 | — | 4MB (shared) |
特征
| 3DNow! | Yes | — |
|---|---|---|
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | — | Yes |
| EIST | — | Yes |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
