BenQ Joybook S57
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    Acer Aspire AS7750-6423
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 14.96 in x 10.24 in x 1.40 in16.30 in x 1.40 in x 10.80 in
    Weight 2.40 kg (5.29 lb)3.30 kg (7.28 lb)
    Color BlackBlack
    Display Size 15.6 inches17.3 inches
    Resolution 1366x7681600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core 2 Duo P8700Intel Core i5 2430M
    Frequence 2.53 GHz2.4 GHz
    Cores 2 per processor2 per processor
    Cache L2 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Mobile Intel PM45 ExpressIntel HM65 Express
    TDP 25W35W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Dedicated cardDedicated card
    Name ATI Mobility Radeon HD4650Intel HD Graphics 3000
    Memory Capacity 1 GB4 GB
    Max Capacity 4 GB
    Max Capacity Per Slot 2 GB
    Type DDR2DDR3-1066 MHz
    Slots 1
    Total Slots 2
    Storage Capacity 250 GB640 GB
    Size 2.5"
    RPM 5400RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:3.0
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 4 Version:2.03 Version:3.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire NoNo
    Expansion Slot ExpressCard
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, MMCMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing TouchpadTouchpad (2 Buttons)
    Speakers Speakers total power:4W
    Camera Yes, 2 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 48 WHr / 4400 mAh4400 mAh
    Autonomy 2.5 Hours4 Hours

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