AMD Athlon X4 940 vs AMD Phenom II X4 840T
物理
| 插座 | AMD Socket AM4 | AMD Socket AM3 |
|---|---|---|
| 工艺尺寸 | 28 nm | 45 nm |
| 晶体管 | 1,178 million | 904 million |
| 模具尺寸 | 246 mm² | 346 mm² |
| 包 | µPGA | µPGA |
| tCaseMax | 74°C | — |
性能
| 频率 | 3.2 GHz | 2.9 GHz |
|---|---|---|
| 涡轮时钟 | up to 3.6 GHz | up to 3.2 GHz |
| 基本时钟 | 100 MHz | 200 MHz |
| 乘数 | 32.0x | 14.5x |
| 乘数解锁 | Yes | No |
| 电压 | 1.475 V | 1.4 V |
| TDP | 65 W | 95 W |
建筑
| 市场 | Desktop | Desktop |
|---|---|---|
| 生产状况 | Active | End-of-life |
| 发布日期 | Jul 27th, 2017 | Sep 1st, 2010 |
| 代码名称 | Bristol Ridge | Zosma |
| 代 | Athlon | Phenom II X4 |
| 部分 | AD940XAGM44AB | HD840TWFK4DGR |
| 内存支持 | DDR4 Dual-channel | DDR3 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) |
| 缓存 L3 | — | 6MB (shared) |
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. | OEM only. |
|---|
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 | Yes |
| XOP | Yes | — |
