AMD Opteron 6276 vs Intel Xeon E5-2620
物理
| 插座 | AMD Socket G34 | Intel Socket 2011 |
|---|---|---|
| 工艺尺寸 | 32 nm | 32 nm |
| 晶体管 | 2,400 million | 2,270 million |
| 模具尺寸 | 316 mm² | 435 mm² |
| 包 | — | FC-LGA10 |
| 铸造厂 | — | Intel |
性能
| 频率 | 2.3 GHz | 2000 MHz |
|---|---|---|
| 涡轮时钟 | up to 3.2 GHz | up to 2.5 GHz |
| 基本时钟 | 200 MHz | 100 MHz |
| 乘数 | 11.5x | 20.0x |
| 乘数解锁 | No | No |
| TDP | 115 W | 95 W |
| 电压 | — | 1.35 V |
建筑
| 市场 | Server/Workstation | Server/Workstation |
|---|---|---|
| 生产状况 | End-of-life | unknown |
| 发布日期 | Nov 14th, 2011 | Mar 6th, 2012 |
| 代码名称 | Interlagos | Sandy Bridge-EP |
| 代 | Opteron | Xeon E5 |
| 部分 | OS6276WKTGGGU | SR0H7SR0KW |
| 内存支持 | DDR3 | DDR3 Quad-channel |
| ECC内存 | No | Yes |
| PCI Express | Gen 2 | Gen 3 |
核心
| 核心数 | 16 | 6 |
|---|---|---|
| 线程数 | 16 | 12 |
| SMP # CPU | 4 | 2 |
| 集成显卡 | — | — |
快取
| 缓存 L1 | 768K | 64K (per core) |
|---|---|---|
| 缓存 L2 | 16MB | 256K (per core) |
| 缓存 L3 | 8MB (per die) | 15MB (shared) |
笔记
| 笔记 | 16KB L1 data cache per core. 64KB L1 instruction cache shared per two cores (per module). 2MB L2 cache shared per two cores (per module). 8MB L3 cache shared per eight cores (per die). 14MB total L3 cache available when using HT Assist. | — |
|---|
特征
| 7.2GT/s QPI | — | Yes |
|---|---|---|
| AES | Yes | — |
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | Yes |
| CLMUL | Yes | — |
| CVT16 | Yes | — |
| EIST | — | Yes |
| EVP | Yes | — |
| FMA4 | Yes | — |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| XOP | Yes | — |
