AMD EPYC 7251 vs Intel Xeon E5-2670 v2
物理
| 插座 | AMD Socket SP3 | Intel Socket 2011 |
|---|---|---|
| 铸造厂 | GlobalFoundries | Intel |
| 工艺尺寸 | 14 nm | 22 nm |
| 晶体管 | 4,800 million | 1,400 million |
| 模具尺寸 | 213 mm² | 160 mm² |
| 包 | FCLGA-4094 | — |
| tCaseMax | 81°C | — |
性能
| 频率 | 2.1 GHz | 2.5 GHz |
|---|---|---|
| 涡轮时钟 | up to 2.9 GHz | up to 3.3 GHz |
| 基本时钟 | 100 MHz | 100 MHz |
| 乘数 | 21.0x | 25.0x |
| 乘数解锁 | Yes | No |
| TDP | 120 W | 115 W |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | Active | unknown |
| 发布日期 | Jun 29th, 2017 | Sep 1st, 2013 |
| 代码名称 | Naples | Ivy Bridge-EP |
| 代 | EPYC | Xeon E5 |
| 部分 | PS7251BFV8SAFPS7251BFAFWOF | SR1A7 |
| 内存支持 | DDR4-2400 MHz Eight-channel | DDR3 Quad-channel |
| ECC内存 | Yes | Yes |
| PCI Express | Gen 3 | Gen 3 |
核心
| 核心数 | 8 | 10 |
|---|---|---|
| 线程数 | 16 | 20 |
| SMP # CPU | 2 | 2 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 96K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 512K (per core) | 256K (per core) |
| 缓存 L3 | 32MB (shared) | 25MB (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 | — |
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD-Vi | Yes | — |
| AVX | Yes | Yes |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| CLMUL | Yes | — |
| ECC | — | Yes |
| EIST | — | Yes |
| EMMX | Yes | — |
| EPT | — | Yes |
| F16C | Yes | Yes |
| FMA3 | Yes | — |
| FPU | Yes | — |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| Protected | Yes | — |
| RdRand | Yes | — |
| Real | Yes | — |
| SEV | Yes | — |
| SHA | Yes | — |
| SME | Yes | — |
| SMM | Yes | — |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | Yes | Yes |
| SenseMi | Yes | — |
| TSME | Yes | — |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
