Sony VAIO VGN-P21Z
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    Lenovo Essential G770
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    General Class Ultra-mobile PC Desktop replacement
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 9.65 in x 0.78 in x 4.72 in16.38 in x 1.77 in x 10.71 in
    Weight 0.64 kg (1.41 lb)6.61 kg (14.57 lb)
    Color BlackBlack
    Display Size 8 inches17.3 inches
    Resolution 1600x7681600x900
    3D NoNo
    Processor Name Intel Atom Z520Intel Pentium Dual-Core B940
    Frequence 1.33 GHz2 GHz
    Cores 1 per processor2 per processor
    Cache L2 Cache:0.5 MBL3 Cache:2.0 MB
    Arhitecture 32-bit64-bit
    Technology 45nm32nm
    Chipset Intel US15W
    TDP 2W35W
    Features Front side bus (FSB):533 MHz
    Graphics Type Integrated cardIntegrated card
    Name Intel GMA 500Intel GMA HD
    Memory Capacity 2 GB
    Max Capacity 8 GB
    Type DDR2-533 MHzDDR3
    Storage Capacity 80 GB250 GB
    RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface PATASATA
    Optical Type NoReading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi YesYes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 2 Version:2.0 Powered while off:No4 Version:2.0 Powered while off:No
    HDMI Yes
    VGA Yes
    LAN RJ-45RJ-45
    ESata NoNo
    FireWire NoNo
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, SDMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Pointing stickTouchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera Yes, 0.3 megapixelsYes, 2 megapixels
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 6 cells
    Autonomy 5.5 Hours

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