General information |
Type | CPU / Microprocessor |
Market segment | Server |
Family | Intel Xeon E5-(咨询特价) |
Model number @ | E5-(咨询特价) |
CPU part numbers | - CM(咨询特价) is an OEM/tray microprocessor
- BX80621E(咨询特价) is a boxed microprocessor
|
Frequency @ | (咨询特价) MHz |
Turbo frequency | 3300 MHz (1 or 2 cores) 3200 MHz (3 or 4 cores) 3100 MHz (5 or 6 cores) 3000 MHz (7 or 8 cores) |
Bus speed @ | 8 GT/s QPI (4000 MHz) 5 GT/s DMI |
Clock multiplier @ | 26 |
Package | 2011-land Flip-Chip Land Grid Array |
Socket | Socket 2011 / LGA(咨询特价) |
Size | 2.07" x 1.77" / 5.25cm x 4.5cm |
Introduction date | March 6, (咨询特价) |
Price at introduction | $1552 (OEM) $1556 (box) |
S-spec numbers |
| ES/QS processors | Production processors | Part number | QB7A | QBF5 | QBV7 | SR0H8 | SR0KX | BX80621E(咨询特价) | | | | | + | CM(咨询特价) | + | + | + | + | + | |
Architecture / Microarchitecture |
Microarchitecture | Sandy Bridge |
Platform | Romley-EP Romley-WS |
Processor core @ | Sandy Bridge-EP |
Core steppings @ | C0 (QB7A) C1 (QBF5, SR0H8) C2 (QBV7, SR0KX) |
CPUIDs | 206D5 (QB7A) 206D6 (QBF5, SR0H8) 206D7 (QBV7, SR0KX) |
Manufacturing process | 0.032 micron Hi-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 8-way set associative instruction caches 8 x 32 KB 8-way set associative data caches |
Level 2 cache size @ | 8 x 256 KB 8-way set associative caches |
Level 3 cache size | 20 MB 20-way set associative shared cache |
Physical memory | 384 GB (per socket) |
Multiprocessing | Up to 2 processors |
Features | - MMX instructions
- SSE / Streaming SIMD Extensions
- SSE2 / Streaming SIMD Extensions 2
- SSE3 / Streaming SIMD Extensions 3
- SSSE3 / Supplemental Streaming SIMD Extensions 3
- SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 @
- AES / Advanced Encryption Standard instructions
- AVX / Advanced Vector Extensions
- EM64T / Extended Memory 64 technology / Intel 64 @
- NX / XD / Execute disable bit @
- HT / Hyper-Threading technology @
- VT-x / Virtualization technology @
- VT-d / Virtualization for directed I/O
- TBT 2.0 / Turbo Boost technology 2.0 @
- TXT / Trusted Execution technology
|
Low power features | Enhanced SpeedStep technology @ |
Integrated peripherals / components |
Integrated graphics | None |
Memory controller | The number of controllers: 1 Memory channels: 4 Supported memory: DDR3-800, DDR3-1066, DDR3-1333, DDR3-(咨询特价) DIMMs per channel: 3 Maximum memory bandwidth (GB/s): 51.2 ECC supported: Yes |
Other peripherals | - Direct Media Interface 2.0
- Quick Path Interconnect (2 links)
- PCI Express 3.0 interface
|
Electrical / Thermal parameters |
V core @ | 0.6V - 1.35V |
Maximum operating temperature @ | 81.8°C |
Thermal Design Power @ | 115 Watt |
Notes on Intel Xeon E5-(咨询特价) |
- VT-d virtualization and Trusted Execution Technology are not supported on processors with C0 and C1 core steppings
- The processor has the following security, data protection and/or software features: Intel vPro technology.
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