| 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 |
| |
|
| 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 |
