Acer Aspire 8940G
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    Sony VAIO VPC-Z21TGX
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    General Class Desktop replacement Portable Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 17.32 in x 11.61 in x 1.22 in13.00 in x 0.98 in x 8.27 in
    Weight 4.60 kg (10.14 lb)1.17 kg (2.57 lb)
    Color BlackBlack, Blue
    Display Size 18.4 inches13.1 inches
    Resolution 1920x10801920x1080
    LED YesYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i7 720QMIntel Core i7 2620M
    Frequence 1.6 GHz2.7 GHz
    Cores 4 per processor2 per processor
    Cache L2 Cache:6.0 MBL3 Cache:4.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm32nm
    Chipset Mobile Intel PM55
    TDP 45W35W
    Graphics Type Integrated cardIntegrated card, External box card
    Name NVIDIA GeForce GT 240MIntel HD Graphics 3000
    Memory 1024 MB up to 1791 MB
    Name AMD / ATI Radeon / Mobility Radeon HD 6650M
    Memory 1024 MB
    Memory Capacity 4 GB6 GB
    Max Capacity 8 GB6 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 22
    Total Slots 22
    Storage Capacity 500 GB256 GB
    Size 2.5"
    RPM 5400RPM
    Type Hard Disc (HDD)Solid State Drive (SSD)
    Interface SATA
    Features RAID support:Yes
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD BD    		Reading support: CD DVD BD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes, Intel WiDi
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared YesNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 5 Version:2.04 Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, xD-Picture Card, MMCMemory Stick Duo, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port YesYes
    Other DisplayPort
    Devices Keyboard Backlight, Dedicated media playback controlsBacklight
    Pointing TouchpadTouchpad (2 Buttons, Multitouch)
    Camera YesYes
    Microphone YesYes
    Security Features Kensington lock, Fingerprint reader Fingerprint reader
    Baterry Cells 8 cells
    Type Li-IonLi-Pol
    Capacity 71 WHr4000 mAh
    Autonomy 3 Hours

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