Sony VAIO VGN-Z820G
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    HP ENVY 17-2090NR
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    General Class Portable Laptop Gaming Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 12.40 in x 1.30 in x 8.30 in16.38 in x 2.15 in x 10.83 in
    Weight 1.50 kg (3.3 lb)3.55 kg (7.82 lb)
    Color BlackGray
    Display Size 13.1 inches17 inches
    Resolution 1600x9001920x1080
    LED YesYes
    3D NoYes
    Processor Name Intel Core 2 Duo P8700Intel Core i7 2630QM
    Frequence 2.53 GHz2 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL3 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Intel GM45 Express
    TDP 25W45W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Dedicated card, Integrated cardDedicated card
    Name NVIDIA GeForce 9300M GSAMD / ATI Radeon / Mobility Radeon HD 6850M
    Memory 256 MB1024 MB
    Name Intel GMA 4500MHD
    Memory up to 1695 MB
    Memory Capacity 4 GB8 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3-1066 MHzDDR3
    Slots 22
    Total Slots 2
    Storage Capacity 320 GB1500 GB
    Size 2.5"
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA (Bays (in use): 2)
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		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)
    Bluetooth Yes Version:2.1 EDR:Yes
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Broadband Wireless CDMA
    Interfaces USB Powered while off:No4 Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    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, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Camera YesYes
    Microphone YesYes
    Security Features Face recognition webcam, Fingerprint reader
    Baterry Cells
    Type Li-Ion
    Autonomy 5.5 Hours
    Other Adapter power consumption:Typical: 121 W

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