| 类型 | CPU / Microprocessor | ||||||
| 细分市场 | Server | ||||||
| 系列 | Intel Xeon E7-4800 | ||||||
| 型号 | E7-4820 | ||||||
| CPU 编号 |
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| 频率 | 2000 MHz | ||||||
| Turbo frequency | 2267 MHz (2 cores) 2133 MHz (8 cores) | ||||||
| 总线速度 | 5.86 GT/s QPI (2933 MHz) | ||||||
| 时钟倍频器 | 15 | ||||||
| 封装 | 1567-land Flip-Chip Land Grid Array | ||||||
| 接口 | 接口 1567 (LGA1567) | ||||||
| 尺寸 | 2.22" x 1.94" / 5.647cm x 4.917cm | ||||||
| 发布时间 | Apr 3, 2011 | ||||||
| End-of-Life date | Last order date is August 21, 2015 Last shipment date for tray processors is February 2, 2018 | ||||||
| 指导价格 | $1446 | ||||||
| S规格号 | |||||||
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| 架构 / 微体系结构 | |||||||
| 微体系结构 | Westmere | ||||||
| Platform | Boxboro-EX | ||||||
| 处理器内核 | Westmere-EX | ||||||
| Core stepping | A2 (SLC3G) | ||||||
| CPUID | 206F2 (SLC3G) | ||||||
| 制造工艺 | 0.032 micron High-K metal gate process | ||||||
| 数据位宽 | 64 bit | ||||||
| CPU核心数 | 8 | ||||||
| 线程数 | 16 | ||||||
| 浮点单元 | Integrated | ||||||
| 2级缓存大小 | 8 x 256 KB | ||||||
| Level 3 cache size | 18 MB | ||||||
| Physical memory | 512 GB (per socket) | ||||||
| 多重处理 | Up to 4 processors | ||||||
| 特征 |
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| 低功耗特性 | Enhanced SpeedStep technology | ||||||
| 集成外设/组件 | |||||||
| 集成显卡 | None | ||||||
| Memory controller | The number of controllers: 1 Memory channels: 4 Supported memory: DDR3-800, DDR3-978, DDR3-1066 DIMMs per channel: 4 ECC supported: Yes | ||||||
| 电/热参数 | |||||||
| Maximum operating temperature | 64°C | ||||||
| 热设计功耗 | 105 Watt | ||||||
