Lenovo Essential B470 431523U
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    HP ProBook 6450b
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows 7 Windows XP
    Body Dimensions 13.39 in x 1.32 in x 9.24 in13.35 in x 1.33 in x 9.30 in
    Weight 2.20 kg (4.85 lb)2.27 kg (5 lb)
    Color GrayBlack, Gray
    Display Size 14 inches14 inches
    Resolution 1366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i5 2410MIntel Celeron P4500
    Frequence 2.3 GHz1.86 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:2.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Intel HM57
    TDP 35W35W
    Graphics Type Dedicated card, Integrated cardDedicated card, Integrated card
    Name NVIDIA GeForce GT 410MAMD / ATI Radeon / Mobility Radeon HD540v
    Memory 1024 MB512 MB
    Name Intel HD Graphics 3000Intel HD Graphics
    Features Processor clock:650 MHz
    Memory Capacity 4 GB8 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1333 MHzDDR3-1333 MHz
    Slots 22
    Total Slots 22
    Storage Capacity 250 GB160 GB
    RPM 5400RPM7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA (SATA type: 3Gbit/s)
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n), Intel WiDiYes (802.11b, 802.11g)
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem NoYes
    Infrared NoNo
    Wimax YesNo
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB 4 Version:2.03 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    Thunderbolt No
    FireWire NoYes (1)
    Expansion Slot ExpressCard (54)
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMCYes
    Multi Purpose DriveBay NoNo
    Docking Station Port NoYes
    Other 1/8” stereo headphone output & microphone input combo jackDisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera Yes, 0.3 megapixels
    Microphone Yes
    Security Features Kensington lock, Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 47 WHr
    Autonomy 3 Hours

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