Acer Aspire 8940
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    Sony VAIO VPC-SB31FX
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    General Class Desktop replacement Portable Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 17.30 in x 11.60 in x 1.70 in13.04 in x 0.95 in x 8.84 in
    Weight 4.60 kg (10.14 lb)1.72 kg (3.8 lb)
    Color BlackBlack
    Display Size 18.4 inches13.3 inches
    Resolution 1920x10801366x768
    LED Yes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i7 720QMIntel Core i5 2430M
    Frequence 1.6 GHz2.4 GHz
    Cores 4 per processor2 per processor
    Cache L2 Cache:6.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Mobile Intel PM55 Express
    TDP 45W35W
    Graphics Type Integrated cardDedicated card, Integrated card
    Name NVIDIA GeForce GTS 250MAMD / ATI Radeon / Mobility Radeon HD 6470M
    Memory 1024 MB up to 1791 MB512 MB
    Name Intel HD Graphics 3000
    Features Processor clock:650 MHz
    Memory Capacity 4 GB4 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3-1333 MHz
    Slots 2
    Total Slots 2
    Storage Capacity 500 GB500 GB
    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), Intel WiDi
    Bluetooth NoYes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 5 Version:2.03 Version:3.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54)
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, xD-Picture Card, MMCMemory Stick Duo, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port NoYes
    Other DisplayPort
    Devices Keyboard Backlight, Dedicated media playback controlsBacklight
    Pointing Touchpad (Multitouch)Touchpad (2 Buttons, Multitouch)
    Camera YesYes
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 8 cells
    Type Li-IonLi-Pol
    Capacity 4400 mAh
    Autonomy 3 Hours7.25 Hours

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