Sony VAIO VGN-P21Z
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    Toshiba Portege Z830-S8301
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    General Class Ultra-mobile PC Portable Laptop
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 9.65 in x 0.78 in x 4.72 in12.44 in x 0.63 in x 8.94 in
    Weight 0.64 kg (1.41 lb)1.12 kg (2.47 lb)
    Color BlackGray
    Display Size 8 inches13.3 inches
    Resolution 1600x7681366x768
    LED Yes
    3D NoNo
    Processor Name Intel Atom Z520Intel Core i5 2557M
    Frequence 1.33 GHz1.7 GHz
    Cores 1 per processor2 per processor
    Cache L2 Cache:0.5 MBL3 Cache:3.0 MB
    Arhitecture 32-bit64-bit
    Technology 45nm32nm
    Chipset Intel US15WMobile Intel QM67 Express
    TDP 2W17W
    Features Front side bus (FSB):533 MHz
    Graphics Type Integrated cardIntegrated card
    Name Intel GMA 500Intel HD Graphics 3000
    Memory 64 MB up to 1696 MB
    Features Processor clock:350 MHz
    Memory Capacity 2 GB4 GB
    Max Capacity 6 GB
    Type DDR2-533 MHzDDR3-1333 MHz
    Slots 2
    Total Slots 2
    Storage Capacity 80 GB128 GB
    RPM
    Type Hard Disc (HDD)Solid State Drive (SSD)
    Interface PATASATA
    Optical Type NoNo
    Networking LAN 1000 mbps1000 mbps
    Wifi YesYes (802.11a, 802.11g, 802.11n), Intel WiDi
    Bluetooth YesYes Version:3.0
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 2 Version:2.0 Powered while off:No3 Version:3.0 Powered while off:Yes
    HDMI Yes
    VGA Yes
    LAN RJ-45RJ-45
    ESata NoNo
    Thunderbolt No
    FireWire NoNo
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, SDSD, SDHC, miniSD, microSD, microSDHC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard Backlight
    Pointing Pointing stickTouchpad (Multitouch)
    Camera Yes, 0.3 megapixelsYes, 1.3 megapixels
    Microphone YesYes
    Security Features Kensington lock, Face recognition webcam, Fingerprint reader
    Baterry Cells 8 cells
    Type Li-Ion
    Capacity 47 WHr
    Autonomy 8.28 Hours
    Other Adapter power consumption:Max: 45 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 Hz

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