AMD EPYC 7251 vs AMD Ryzen 7 2700E
物理
| 插座 | AMD Socket SP3 | AMD Socket AM4 |
|---|---|---|
| 铸造厂 | GlobalFoundries | GlobalFoundries |
| 工艺尺寸 | 14 nm | 12 nm |
| 晶体管 | 4,800 million | 4,800 million |
| 模具尺寸 | 213 mm² | 192 mm² |
| 包 | FCLGA-4094 | µOPGA-1331 |
| tCaseMax | 81°C | — |
性能
| 频率 | 2.1 GHz | 2.8 GHz |
|---|---|---|
| 涡轮时钟 | up to 2.9 GHz | up to 4 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 21.0x | 28.0x |
| 乘数解锁 | Yes | No |
| TDP | 120 W | 65 W |
建筑
| 市场 | Server/Workstation | Desktop |
|---|---|---|
| 生产状况 | Active | Active |
| 发布日期 | Jun 29th, 2017 | Sep 19th, 2018 |
| 代码名称 | Naples | Zen |
| 代 | EPYC | Ryzen 7 |
| 部分 | PS7251BFV8SAFPS7251BFAFWOF | unknown |
| 内存支持 | DDR4-2400 MHz Eight-channel | DDR4 Dual-channel |
| ECC内存 | Yes | No |
| PCI Express | Gen 3 | — |
核心
| 核心数 | 8 | 8 |
|---|---|---|
| 线程数 | 16 | 16 |
| SMP # CPU | 2 | 1 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 96K (per core) | 96K (per core) |
|---|---|---|
| 缓存 L2 | 512K (per core) | 512K (per core) |
| 缓存 L3 | 32MB (shared) | 16MB (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. | — |
|---|
特征
| ABM | Yes | — |
|---|---|---|
| ADX | Yes | — |
| AES | Yes | Yes |
| AMD-V | Yes | Yes |
| AMD-Vi | Yes | — |
| AMD64 | — | Yes |
| AVX | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| CLMUL | Yes | — |
| EMMX | Yes | — |
| EVP | — | Yes |
| F16C | Yes | Yes |
| FMA3 | Yes | Yes |
| FPU | Yes | — |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| Precision Boost 2 | — | Yes |
| Protected | Yes | — |
| RdRand | Yes | — |
| Real | Yes | — |
| SEV | Yes | — |
| SHA | Yes | Yes |
| SMAP | — | Yes |
| SME | Yes | — |
| SMEP | — | Yes |
| SMM | Yes | — |
| SMT | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | Yes |
| SSSE3 | Yes | Yes |
| SenseMi | Yes | — |
| TSME | Yes | — |
