Lenovo Essential B470 431524U
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    Acer Aspire 4253
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.37 in x 1.30 in x 9.22 in13.68 in x 1.34 in x 9.96 in
    Weight 3.00 kg (6.61 lb)2.20 kg (4.86 lb)
    Color BlackBlack
    Display Size 14 inches14 inches
    Resolution 1366x7681366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 2310MAMD Other E-240
    Frequence 2.1 GHz1.5 GHz
    Cores 2 per processor1 per processor
    Cache L3 Cache:3.0 MBL2 Cache:0.5 MB
    Arhitecture 64-bit
    Technology 32nm40nm
    Chipset AMD A50M
    TDP 35W18W
    Graphics Type Integrated cardIntegrated card
    Name Intel HD Graphics 3000ATI Mobility Radeon HD 6310
    Memory Capacity 4 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1333 MHzDDR3
    Total Slots 22
    Storage Capacity 500 GB160 GB
    RPM 5400RPM
    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)
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 33 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)
    Thunderbolt No
    FireWire No
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader SD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard Backlight
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Camera Yes, 0.3 megapixelsYes, 1.3 megapixels
    Microphone YesYes
    Security Features Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 48 WHr / 4400 mAh
    Autonomy 4.5 Hours
    Other Adapter power consumption:Typical: 65 W

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