Lenovo ThinkPad W520
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    Sony VAIO VPC-EC25FX
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.68 in x 1.41 in x 9.65 in16.10 in x 1.25 in x 10.78 in
    Weight 2.70 kg (5.95 lb)3.31 kg (7.3 lb)
    Color BlackBlack, White
    Display Size 15.6 inches17.3 inches
    Resolution 1600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i5 2520MIntel Core i3 350M
    Frequence 2.5 GHz2.26 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    TDP 35W35W
    Graphics Type Dedicated cardDedicated card
    Name NVIDIA Quadro 1000MATI Mobility Radeon HD 5470
    Memory 2048 MB512 MB
    Memory Capacity 4 GB
    Max Capacity 32 GB8 GB
    Max Capacity Per Slot 8 GB4 GB
    Type DDR3DDR3
    Slots 2
    Total Slots 42
    Storage Capacity 160 GB500 GB
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type YesReading support: CD DVD BD
    Writing support: CD DVD
    Networking LAN 1000 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth No
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 3 Powered while off:Yes4 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45
    ESata Yes (1)Yes (1)
    FireWire NoNo
    Expansion Slot ExpressCard (34), PCI Express MiniExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader MMCMemory Stick PRO, Memory Stick PRO Duo, SD
    Devices Keyboard
    Pointing Touchpad (2 Buttons), Pointing stick (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Camera YesYes
    Microphone YesYes
    Security Features Face recognition webcam
    Baterry Cells 9 cells
    Type Li-IonLi-Ion
    Capacity 3500 mAh
    Autonomy 10.7 Hours3 Hours

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