Lenovo ThinkPad T420i
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    Toshiba Tecra R840-S8430
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.40 in x 1.08 in x 9.40 in
    Weight 2.20 kg (4.84 lb)1.90 kg (4.19 lb)
    Color BlackBlack
    Display Size 14 inches14 inches
    Resolution 1366x7681366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 2310MIntel Core i5 2520M
    Frequence 2.1 GHz2.5 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 QM67 Express
    TDP 35W35W
    Graphics Type Integrated cardDedicated card
    Name Intel HD Graphics 3000AMD / ATI Radeon / Mobility Radeon HD 6450M
    Memory 1024 MB
    Memory Capacity 4 GB4 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3
    Slots 12
    Storage Capacity 320 GB320 GB
    RPM 7200RPM7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    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)Yes (802.11a, 802.11g, 802.11n), Intel WiDi
    Bluetooth NoYes Version:3.0 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 2 Powered while off:Yes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCardExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesSD, SDHC, SDXC, miniSD, microSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other DisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Camera Yes, 0.92 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock, Face recognition webcam, Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 66 WHr
    Autonomy 7.53 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 Hz

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