Sony VAIO VGN-Z820G
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    Acer Aspire AS5742-7645
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    General Class Portable Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 12.40 in x 1.30 in x 8.30 in15.00 in x 1.30 in x 10.00 in
    Weight 1.50 kg (3.3 lb)2.59 kg (5.7 lb)
    Color BlackBlack
    Display Size 13.1 inches15.6 inches
    Resolution 1600x9001366x768
    LED Yes
    3D NoNo
    Processor Name Intel Core 2 Duo P8700Intel Core i3 370M
    Frequence 2.53 GHz2.4 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Intel GM45 ExpressIntel HM55 Express
    TDP 25W35W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Dedicated card, Integrated cardIntegrated card
    Name NVIDIA GeForce 9300M GSIntel GMA HD
    Memory 256 MB
    Name Intel GMA 4500MHD
    Memory up to 1695 MB
    Memory Capacity 4 GB4 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3-1066 MHzDDR3
    Slots 22
    Total Slots 22
    Storage Capacity 320 GB500 GB
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    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)
    Bluetooth Yes Version:2.1 EDR:Yes
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Broadband Wireless CDMA
    Interfaces USB Powered while off:No3 Version:2.0 Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoNo
    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, SDSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Camera YesYes
    Microphone YesYes
    Security Features Face recognition webcam, Fingerprint reader Kensington lock
    Baterry Cells 6 cells
    Type Li-IonLi-Pol
    Capacity 4400 mAh
    Autonomy 5.5 Hours3.5 Hours
    Other Adapter power consumption:Typical: 121 WAdapter power consumption:Typical: 65 W

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