Samsung NP-R540-JA08US
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    Sony VAIO VGN-Z820G
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.90 in x 1.50 in x 10.00 in12.40 in x 1.30 in x 8.30 in
    Weight 2.40 kg (5.29 lb)1.50 kg (3.3 lb)
    Color BrownBlack
    Display Size 15.6 inches13.1 inches
    Resolution 1366x7681600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 380MIntel Core 2 Duo P8700
    Frequence 2.53 GHz2.53 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm45nm
    Chipset Intel GM45 Express
    TDP 35W25W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Integrated cardDedicated card, Integrated card
    Name Intel GMA HDNVIDIA GeForce 9300M GS
    Memory 256 MB
    Name Intel GMA 4500MHD
    Memory up to 1695 MB
    Features Processor clock:500 MHz
    Memory Capacity 3 GB4 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3-1066 MHz
    Slots 2
    Total Slots 22
    Storage Capacity 320 GB320 GB
    RPM 7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA
    Optical Type YesReading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth NoYes Version:2.1 EDR:Yes
    Modem NoYes
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Broadband Wireless CDMA
    Interfaces USB 3 Version:2.0Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45
    ESata NoNo
    Thunderbolt No
    FireWire NoYes (1)
    Expansion Slot ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader SD, SDHC, MMCMemory Stick, Memory Stick Duo, Memory Stick PRO, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port Yes
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera Yes, 0.3 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock Face recognition webcam, Fingerprint reader
    Baterry Cells 6 cells
    Type Li-IonLi-Ion
    Autonomy 4.1 Hours5.5 Hours
    Other Adapter power consumption:Max: 60 WAdapter power consumption:Typical: 121 W

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