Lenovo ThinkPad L420
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    Compaq Presario CQ57-303SG
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 12.54 in x 1.42 in x 9.17 in14.80 in x 1.41 in x 9.72 in
    Weight 2.31 kg (5.1 lb)2.55 kg (5.62 lb)
    Color Black
    Display Size 14 inches15.6 inches
    Resolution 1366x7681366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 2310MAMD E-450
    Frequence 2.1 GHz1.65 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL2 Cache:1.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm40nm
    Chipset Intel HM65AMD A50M
    TDP 35W18W
    Graphics Type Integrated cardIntegrated card
    Name Intel GMA HDATI Mobility Radeon HD 6320M
    Memory up to 1920 MB
    Memory Capacity 4 GB
    Max Capacity 8 GB
    Type DDR3DDR3
    Slots 1
    Total Slots 22
    Storage Capacity 160 GB500 GB
    Size 2.5"
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVDReading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Modem NoNo
    Infrared NoNo
    Wimax YesNo
    UWB NoNo
    Broadband Wireless CDMA (EVDO)
    Interfaces USB 4 Version:2.0 Powered while off:Yes3 Version:2.0 Powered while off:No
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire NoNo
    Expansion Slot ExpressCard (54, 34), PCI Express Mini
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons), Pointing stickTouchpad (2 Buttons)
    Camera YesYes, 0.3 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells
    Type Li-Ion
    Capacity 2200 mAh
    Other Adapter power consumption:Typical: 65 W

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