Lenovo Essential B470 431524U
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    Acer Aspire AS7750G-9411
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.37 in x 1.30 in x 9.22 in16.30 in x 1.40 in x 10.80 in
    Weight 3.00 kg (6.61 lb)3.30 kg (7.28 lb)
    Color BlackBlack
    Display Size 14 inches17.3 inches
    Resolution 1366x7681600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 2310MIntel Core i7 2670QM
    Frequence 2.1 GHz2.2 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL3 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Mobile Intel HM65 Express
    TDP 35W45W
    Graphics Type Integrated cardDedicated card
    Name Intel HD Graphics 3000ATI Mobility Radeon HD 6650M
    Memory 2048 MB
    Memory Capacity 4 GB6 GB
    Type DDR3-1333 MHzDDR3
    Total Slots 2
    Storage Capacity 500 GB750 GB
    RPM 5400RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    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:2.1 EDR:YesNo
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 33
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt NoNo
    FireWire NoNo
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard Backlight
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Camera Yes, 0.3 megapixelsYes
    Microphone YesYes
    Security Features Fingerprint reader Kensington lock
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 4400 mAh
    Autonomy 3 Hours
    Other Adapter power consumption:Max: 90 W

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