General information | |
Type | CPU / Microprocessor |
Market segment | Server |
Family | Intel Xeon E7-2800 |
Model number | E7-2820 |
CPU part number | AT80615007245AA is an OEM/tray CPU |
Spec code | SLC3R |
Frequency | 2000 MHz |
Turbo frequency | 2267 MHz (2 cores) |
| 2133 MHz (8 cores) |
Bus speed | 5.86 GT/s QPI (2933 MHz) |
Clock multiplier | 15 |
Package | 1567-land Flip-Chip Land Grid Array |
Socket | Socket 1567 (LGA1567) |
| |
Architecture / Microarchitecture | |
Microarchitecture | Westmere |
Platform | Boxboro-EX |
Processor core | Westmere-EX |
Core stepping | A2 (SLC3R) |
CPUID | 206F2 (SLC3R) |
Manufacturing process | 0.032 micron High-K metal gate process |
Data width | 64 bit |
The number of CPU cores | 8 |
The number of threads | 16 |
Floating Point Unit | Integrated |
Level 1 cache size | 8 x 32 KB |
Level 2 cache size | 8 x 256 KB |
Level 3 cache size | 18 MB |
Physical memory | 512 GB (per socket) |
Multiprocessing | Up to 2 processors |
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Integrated peripherals / components | |
Integrated graphics | 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 |
| |
Electrical / Thermal parameters | |
Maximum operating temperature | 64°C |
Thermal Design Power | 105 Watt |