カスタマーレビュー
*注：一部のレビューはGoogle翻訳によって処理されています。Intelモデル：コアI7 640m
CPU周波数：2.8 GHz
アプリケーション：ラップトップ
ソケットタイプ：988
アイテムのコンディション：中古
タイプ：デュアルコア
パワー：35 W.
L3キャッシュ容量：4 MB
チッププロセス：32ナノメートル
インターフェースタイプ：BGA 1288
コア数：デュアルコア
L2キャッシュ容量：512 KB.
64ビットサポート：はい
モデル番号：I7-640M
製品のステータス：使用、在庫あり
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
listings on auction and classifieds sites
| General information | ||||||||||
| Type | ||||||||||
| Market segment | Mobile | |||||||||
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| Model number | | |||||||||
| CPU part number |
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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 | |||||||||
| Other peripherals |
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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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