AMD Athlon II X4 645 vs AMD Athlon X4 940
物理
| 插座 | AMD Socket AM3 | AMD Socket AM4 |
|---|---|---|
| 工艺尺寸 | 45 nm | 28 nm |
| 晶体管 | 300 million | 1,178 million |
| 模具尺寸 | 169 mm² | 246 mm² |
| 包 | µPGA | µPGA |
| tCaseMax | — | 74°C |
性能
| 频率 | 3.1 GHz | 3.2 GHz |
|---|---|---|
| 涡轮时钟 | — | up to 3.6 GHz |
| 基本时钟 | 200 MHz | 100 MHz |
| 乘数 | 15.5x | 32.0x |
| 乘数解锁 | No | Yes |
| 电压 | 1.4 V | 1.475 V |
| TDP | 95 W | 65 W |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | End-of-life | Active |
| 发布日期 | Sep 21st, 2010 | Jul 27th, 2017 |
| 代码名称 | Propus | Bristol Ridge |
| 代 | Athlon II X4 | Athlon |
| 部分 | ADX645WFK42GMADX645WFGMBOX | AD940XAGM44AB |
| 内存支持 | DDR3 Dual-channel | DDR4 Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 2 | — |
核心
| 核心数 | 4 | 4 |
|---|---|---|
| 线程数 | 4 | 4 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| 缓存 L2 | 512K (per core) | 512K (per core) |
特征
| 3DNow! | Yes | Yes |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| EVP | — | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| FMA4 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | Yes |
| TBM | — | Yes |
| Turbo Core | — | Yes |
| XOP | — | Yes |
笔记
| 笔记 | — | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. |
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