Original Core I7-640M Processor (4M Cache, 2.8Ghz~3.46Ghz, I7 640M, Slbtn ) Tdp 35W Pga988 Laptop Cpu Compatible Hm55 Hm57 Qm57
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*Note: Some reviews have been processed by Google Translate!Intel Model: Core i7 640m
CPU Frequency: 2.8 GHz
Application: Laptop
Socket Type: 988
Item Condition: Used
Type: Dual-Core
Power: 35 W
L3 Cache Capacity: 4 MB
Chip Process: 32 nanometers
Interface Type: BGA 1288
Number of Cores: Dual-Core
L2 Cache Capacity: 512 KB
64-Bit Support: Yes
Model Number: I7-640M
Products Status: Used, Stock
Original Core i7-640M Processor (4M Cache, 2.8GHz~3.46Ghz, i7 640M , SLBTN ) TDP 35W PGA988 Laptop CPU Compatible HM55 HM57 QM57
Intel Core i7-640M (PGA988) specifications
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| Type | ||||||||||
| Market segment | Mobile | |||||||||
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| Frequency | 2800 MHz | |||||||||
| Maximum turbo frequency | 3467 MHz (1 core) 3200 MHz (2 cores) | |||||||||
| Low power frequency | 1200 MHz | |||||||||
| Bus speed | 2.5 GT/s DMI | |||||||||
| Clock multiplier | 21 | |||||||||
| Package | 988-pin micro-FCPGA (rPGA988A) | |||||||||
| Socket | ||||||||||
| Size | 1.48" x 1.48" / 3.75cm x 3.75cm | |||||||||
| Introduction date | ||||||||||
| End-of-Life date | Last order date is April 5, 2012 Last shipment date is October 8, 2012 | |||||||||
| Price at introduction | $346 | |||||||||
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| Architecture / Microarchitecture | ||||||||||
| Microarchitecture | Westmere | |||||||||
| Platform | Calpella | |||||||||
| Processor core | ||||||||||
| Core stepping | K0 (Q4C9, SLBTN) | |||||||||
| CPUID | 20655 (Q4C9, SLBTN) | |||||||||
| Manufacturing process | 0.032 micron 382 million transistors (CPU die) 177 million transistors (IMC / graphics die) | |||||||||
| Die | 81mm2(CPU die) 114mm2(IMC / graphics die) | |||||||||
| Data width | 64 bit | |||||||||
| The number of CPU cores | 2 | |||||||||
| The number of threads | 4 | |||||||||
| Floating Point Unit | Integrated | |||||||||
| Level 1 cache size | 2 x 32 KB 4-way set associative instruction caches 2 x 32 KB 8-way set associative data caches | |||||||||
| Level 2 cache size | 2 x 256 KB 8-way set associative caches | |||||||||
| Level 3 cache size | 4 MB 16-way set associative shared cache | |||||||||
| Physical memory | 8 GB | |||||||||
| Multiprocessing | Not supported | |||||||||
| Extensions and Technologies |
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| Low power features | Enhanced SpeedStep technology | |||||||||
| Integrated peripherals / components | ||||||||||
| Integrated graphics | GPU Type: HD (Westmere) Base frequency (MHz): 500 Maximum frequency (MHz): 766 The number of supported displays: 2 | |||||||||
| Memory controller | The number of controllers: 1 Memory channels: 2 Supported memory: DDR3-800, DDR3-1066 Maximum memory bandwidth (GB/s): 17.1 | |||||||||
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| Electrical / Thermal parameters | ||||||||||
| Maximum operating temperature | 105°C | |||||||||
| Thermal Design Power | 35 Watt | |||||||||
| Notes on Intel Core i7-640M (PGA988) | ||||||||||
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