Dell XPS 14-l421x
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    Lenovo Essential G770
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.20 in x 0.81 in x 9.20 in16.38 in x 1.77 in x 10.71 in
    Weight 2.09 kg (4.6 lb)6.61 kg (14.57 lb)
    Color BlackBlack
    Display Size 14 inches17.3 inches
    Resolution 1600x9001600x900
    3D NoNo
    Processor Name Intel Core i5 3317UIntel Pentium Dual-Core B940
    Frequence 1.7 GHz2 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:2.0 MB
    Arhitecture 64-bit64-bit
    Technology 22nm32nm
    Chipset Intel HM77 Express
    TDP 17W35W
    Features Hyperthreading:Yes
    Graphics Type Integrated cardIntegrated card
    Name Intel GMA HD 4000Intel GMA HD
    Memory Capacity 4 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3
    Total Slots 2
    Storage Capacity HDD:500 GB, SSD:32 GB250 GB
    Size 2.5"
    RPM 5400RPM
    Type Hard Disc (HDD), Solid State Drive (SSD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:4.0
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 2 Version:3.04 Version:2.0 Powered while off:No
    HDMI YesYes
    VGA Yes
    LAN RJ-45RJ-45
    ESata NoNo
    Thunderbolt No
    FireWire NoNo
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other DisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons, Multitouch)Touchpad (2 Buttons)
    Speakers Speakers total power:4WSpeakers total power:3W
    Camera Yes, 1.3 megapixelsYes, 2 megapixels
    Microphone YesYes
    Security Features Kensington lock Kensington lock
    Baterry Cells 8 cells6 cells
    Type Li-Pol
    Capacity 69 WHr
    Autonomy 5.5 Hours
    Other Adapter power consumption:Typical: 65 W

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