AMD A8-3870K vs AMD Athlon X4 940
物理
| 插座 | AMD Socket FM1 | AMD Socket AM4 |
|---|---|---|
| 工艺尺寸 | 32 nm | 28 nm |
| 晶体管 | 1,178 million | 1,178 million |
| 模具尺寸 | 228 mm² | 246 mm² |
| 包 | µPGA | µPGA |
| tCaseMax | — | 74°C |
性能
| 频率 | 3 GHz | 3.2 GHz |
|---|---|---|
| 涡轮时钟 | — | up to 3.6 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 30.0x | 32.0x |
| 乘数解锁 | Yes | Yes |
| 电压 | 1.4125 V | 1.475 V |
| TDP | 100 W | 65 W |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | End-of-life | Active |
| 发布日期 | Dec 20th, 2011 | Jul 27th, 2017 |
| 代码名称 | Llano | Bristol Ridge |
| 代 | A8 | Athlon |
| 部分 | AD3870WNZ43GXAD3870WNGXBOX | AD940XAGM44AB |
| 内存支持 | DDR3 Dual-channel | DDR4 Dual-channel |
| ECC内存 | No | No |
核心
| 核心数 | 4 | 4 |
|---|---|---|
| 线程数 | 4 | 4 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | Radeon HD 6550D | — |
快取
| 缓存 L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| 缓存 L2 | 1MB (per core) | 512K (per core) |
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. | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. |
|---|
特征
| 3DNow! | Yes | Yes |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| CnQ | 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 |
