| Processor Number: | E5640 | Products Collection: | Legacy Xeon Processors |
|---|---|---|---|
| Code Name: | Westmere EP | Vertical Segment: | SERVER |
| Status: | Discontinued | Launch Date: | Q1'10 |
| Lithograph: | 32nm | Use Condition: | Server/Enterprise |
| Highlight: | server grade cpu,server microprocessor |
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The Xeon E5640 uses Westmere-EP architecture for 32 nm process; Intel Xeon E5640 mains 2.66 GHz, 12MB cache, QPI bus, 5.86 GT/s, and supports Rui-frequency acceleration.
| Processor number | E5640 |
| Family | Xeon |
| Technology (micron) | 0.032 |
| Processor speed (GHz) | 2.667 |
| Bus speed (MHz) | 2933 (QPI) |
| L2 cache size (KB) | 1024 |
| L3 cache size (MB) | 12 |
| The number of cores | 4 |
| EM64T | Supported |
| HyperThreading technology | Supported |
| Virtualization technology | Supported |
| Enhanced SpeedStep technology | Supported |
| Execute-Disable bit feature | Supported |
| Notes | Dual-processing |
| Type | CPU / Microprocessor |
| Market segment | Server |
| Family |
|
| Model number |
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| Frequency | 2667 MHz |
| Maximum turbo frequency | 2933 MHz (1 or 2 cores) 2800 MHz (3 or 4 cores) |
| Bus speed | 5.86 GT/s QPI (2933 MHz) |
| Clock multiplier | 20 |
| Package | 1366-land Flip-Chip Land Grid Array (FC-LGA10) |
| Socket | Socket 1366 / B / LGA1366 |
| Size | 1.77" x 1.67" / 4.5cm x 4.25cm |
| Introduction date | March 16, 2010 |
| End-of-Life date | Last order date for embedded processors is November 15, 2015 Last shipment date for embedded processors is May 15, 2016 |
Architecture / Microarchitecture:
| Microarchitecture | Westmere |
| Platform | Tylersburg-EP Tylersburg-EN Tylersburg-WS |
| Processor core | Westmere-EP |
| Core stepping | B1 (Q4EV, SLBVC) |
| CPUID | 206C2 (SLBVC) |
| Manufacturing process | 0.032 micron High-K metal gate process |
| Data width | 64 bit |
| The number of CPU cores | 4 |
| The number of threads | 8 |
| Floating Point Unit | Integrated |
| Level 1 cache size | 4 x 32 KB 4-way set associative instruction caches 4 x 32 KB 8-way set associative data caches |
| Level 2 cache size | 4 x 256 KB 8-way set associative caches |
| Level 3 cache size | 12 MB 16-way set associative shared cache |
| Physical memory | 288 GB |
| Multiprocessing | Up to 2 processors |
| Extensions and Technologies |
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| Low power features | Enhanced SpeedStep technology |
Integrated peripherals / components:
| Integrated graphics | None |
| Memory controller | The number of controllers: 1 Memory channels: 3 Supported memory: DDR3-800, DDR3-1066 Maximum memory bandwidth (GB/s): 25.6 ECC supported: Yes |
| Other peripherals | Quick Path Interconnect (2 links) |
Electrical / Thermal parameters:
| V core | 0.8V - 1.3V |
| Maximum operating temperature | 77.6°C |
| Thermal Design Power | 80 Watt |