Sony VAIO VGN-Z820G
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    Acer Aspire AS5749Z-4809
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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 1.40 in x 10.00 in
    Weight 1.50 kg (3.3 lb)2.40 kg (5.29 lb)
    Color BlackGray
    Display Size 13.1 inches15.6 inches
    Resolution 1600x9001366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core 2 Duo P8700Intel Pentium Dual-Core B960
    Frequence 2.53 GHz2.2 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:2.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Intel GM45 ExpressMobile Intel HM65 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 MHzDDR3-1066 MHz
    Slots 21
    Total Slots 22
    Storage Capacity 320 GB500 GB
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA (SATA type: 3Gbit/s)
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:YesNo
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Broadband Wireless CDMA
    Interfaces USB Powered while off:No3 Version:2.0
    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, 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-Ion
    Capacity 4400 mAh
    Autonomy 5.5 Hours4 Hours
    Other Adapter power consumption:Typical: 121 WAdapter power consumption:Max: 65 W

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