HP Pavilion dv7-4180ea
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    Lenovo Essential B470 431523U
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    General Class Desktop replacement Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 16.35 in x 1.46 in x 10.79 in13.39 in x 1.32 in x 9.24 in
    Weight 3.25 kg (7.17 lb)2.20 kg (4.85 lb)
    Color Gray
    Display Size 17.3 inches14 inches
    Resolution 1600x9001366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 720QMIntel Core i5 2410M
    Frequence 1.6 GHz2.3 GHz
    Cores 4 per processor2 per processor
    Cache L3 Cache:6.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Intel HM55
    TDP 45W35W
    Graphics Type Dedicated cardDedicated card, Integrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 5650NVIDIA GeForce GT 410M
    Memory 1024 MB1024 MB
    Name Intel HD Graphics 3000
    Features Processor clock:650 MHz
    Memory Capacity 4 GB4 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3-1333 MHz
    Slots 12
    Total Slots 22
    Storage Capacity 500 GB250 GB
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n), Intel WiDi
    Bluetooth YesYes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoYes
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB Powered while off:No4 Version:2.0
    HDMI Yes
    VGA Yes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    Thunderbolt No
    FireWire NoNo
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, xD-Picture Card, MMCMemory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other 1/8” stereo headphone output & microphone input combo jack
    Devices Keyboard
    Pointing Touchpad (2 Buttons, Multitouch)Touchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera Yes, 0.3 megapixelsYes, 0.3 megapixels
    Microphone YesYes
    Security Features Fingerprint reader Kensington lock, Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Autonomy 3 Hours
    Other Adapter power consumption:Typical: 120 W

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