HP ProBook 6550b
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    Sony VAIO VPC-Z137GX
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows XP Windows 7
    Body Dimensions 14.62 in x 1.37 in x 9.76 in12.40 in x 1.00 in x 8.30 in
    Weight 2.49 kg (5.5 lb)1.38 kg (3.04 lb)
    Color Black, GrayWhite
    Display Size 15.6 inches13.1 inches
    Resolution 1600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 350MIntel Core i5 460M
    Frequence 2.26 GHz2.53 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Intel HM57
    TDP 35W35W
    Graphics Type Dedicated card, Integrated cardDedicated card, Integrated card
    Name AMD / ATI Radeon / Mobility Radeon 540vNVIDIA GeForce GT 330M
    Memory 512 MB1024 MB
    Name Intel HD GraphicsIntel HD
    Memory Capacity 8 GB4 GB
    Max Capacity 8 GB8 GB
    Type DDR3-1333 MHzDDR3-1066 MHz
    Slots 22
    Total Slots 2
    Storage Capacity 160 GB256 GB
    RPM 7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    Features RAID support:Yes
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Yes
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 3 Version:2.03 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54)ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesMemory Stick Duo, Memory Stick PRO, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Other DisplayPort
    Devices Keyboard Backlight
    Pointing Touchpad (2 Buttons)Touchpad (Multitouch)
    Camera YesYes
    Microphone NoYes
    Security Features Face recognition webcam, Fingerprint reader
    Baterry Cells 6 cells
    Type Li-IonLi-Ion
    Capacity 51 WHr

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