Lenovo Essential B470 431523U
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    Acer Extensa 5230E
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows Vista
    Body Dimensions 13.39 in x 1.32 in x 9.24 in14.17 in x 1.69 in x 10.51 in
    Weight 2.20 kg (4.85 lb)3.02 kg (6.66 lb)
    Color GrayBlack
    Display Size 14 inches15.4 inches
    Resolution 1366x7681280x800
    LED YesNo
    3D NoNo
    Processor Name Intel Core i5 2410MIntel Celeron 585
    Frequence 2.3 GHz2.16 GHz
    Cores 2 per processor1 per processor
    Cache L3 Cache:3.0 MBL2 Cache:1.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm65nm
    Chipset Intel GL40
    TDP 35W31W
    Features Front side bus (FSB):667 MHz
    Graphics Type Dedicated card, Integrated cardIntegrated card
    Name NVIDIA GeForce GT 410MIntel GMA 4500M
    Memory 1024 MBup to 1759 MB
    Name Intel HD Graphics 3000
    Features Processor clock:650 MHz
    Memory Capacity 4 GB1 GB
    Max Capacity 4 GB
    Max Capacity Per Slot 2 GB
    Type DDR3-1333 MHzDDR2
    Slots 21
    Total Slots 22
    Storage Capacity 250 GB160 GB
    RPM 5400RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n), Intel WiDiYes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:YesNo
    Modem NoNo
    Infrared NoNo
    Wimax YesNo
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB 4 Version:2.03 Version:2.0 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire NoNo
    Expansion Slot PC Card (PCMCIA)
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMCNo
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other 1/8” stereo headphone output & microphone input combo jack
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera Yes, 0.3 megapixelsNo
    Microphone YesNo
    Security Features Kensington lock, Fingerprint reader Kensington lock
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 48.8 WHr
    Autonomy 3 Hours2.5 Hours

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