Sony VAIO VGN-Z21ZN
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    HP Pavilion dv7-6157nr
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    General Class Portable Laptop Desktop replacement
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 12.36 in x 1.30 in x 8.27 in16.38 in x 1.24 in x 10.83 in
    Weight 1.50 kg (3.3 lb)3.05 kg (6.72 lb)
    Color BlackBrown
    Display Size 13.1 inches17.3 inches
    Resolution 1600x9001920x1080
    LED YesYes
    3D NoNo
    Processor Name Intel Core 2 Duo P9500Intel Core i7 2670QM
    Frequence 2.53 GHz2.2 GHz
    Cores 2 per processor4 per processor
    Cache L2 Cache:6.0 MBL3 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    TDP 25W45W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Dedicated cardDedicated card, Integrated card
    Name NVIDIA GeForce 9300M GSAMD / ATI Radeon / Mobility Radeon HD 6770M
    Memory 256 MB2048 MB
    Name Intel HD 3000
    Memory Capacity 4 GB8 GB
    Max Capacity 4 GB16 GB
    Max Capacity Per Slot 2 GB8 GB
    Type DDR3-1066 MHzDDR3
    Slots 2
    Total Slots 22
    Storage Capacity 128 GB1000 GB
    RPM 5400RPM
    Type Solid State Drive (SSD)Hard Disc (HDD)
    Interface SATASATA (Bays (in use): 1)
    Features Accelerometer for HDD protection:Yes
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD BD    		Reading support: CD DVD BD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n), Intel WiDi
    Bluetooth Yes Version:2.1 EDR:YesYes
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB 2 Version:2.04
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoNo
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, SDSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Speakers Subwoofer
    Camera Yes, 0.3 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 9 cells
    Type Li-IonLi-Ion
    Capacity 100 WHr
    Autonomy 3.5 Hours10.25 Hours
    Other Adapter power consumption:Max: 120 W

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