Acer Aspire 7745
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    Lenovo IdeaPad Z570 10249JU
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    General Class Desktop replacement Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 16.14 in x 1.63 in x 11.26 in14.80 in x 1.40 in x 9.84 in
    Weight 3.25 kg (7.17 lb)2.60 kg (5.73 lb)
    Color BlackGray
    Display Size 17.3 inches15.6 inches
    Resolution 1600x9001366x768
    LED YesYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i3 330MIntel Core i7 2630QM
    Frequence 2.13 GHz2 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL3 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    TDP 35W45W
    Graphics Type Dedicated card, Integrated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 5470Intel GMA HD 3000
    Memory 512 MB
    Name Intel HD Graphics
    Memory 128 MB
    Memory Capacity 1 GB8 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 22
    Storage Capacity 160 GB750 GB
    Size 2.5"
    RPM 5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11b, 802.11g)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 4 Version:2.0 Powered while off:No4 Version:2.0 Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    Thunderbolt No
    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, SD, xD-Picture Card, MMCMemory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other Digital audio output
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Speakers Speakers total power:3W
    Camera Yes, 1.3 megapixelsYes, 2 megapixels
    Microphone YesYes
    Security Features Kensington lock Face recognition webcam
    Baterry Cells 6 cells6 cells
    Type Li-PolLi-Ion
    Capacity 48.8 WHr / 4400 mAh
    Autonomy 2.5 Hours5 Hours

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