Dell Studio 1558
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    Sony VAIO VPC-Z22UGX
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.60 in x 1.50 in x 10.00 in13.00 in x 0.98 in x 8.27 in
    Weight 2.51 kg (5.54 lb)1.17 kg (2.57 lb)
    Color Black, GreenYellow
    Display Size 15.6 inches13.1 inches
    Resolution 1920x1080
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 330MIntel Core i7 2640M
    Frequence 2.13 GHz2.8 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:4.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    TDP 35W35W
    Graphics Type Integrated cardIntegrated card, External box card
    Name Intel HD GraphicsIntel HD Graphics 3000
    Name AMD / ATI Radeon / Mobility Radeon HD 6650M
    Memory 1024 MB
    Memory Capacity 3 GB6 GB
    Type DDR3-1066 MHzDDR3-1333 MHz
    Slots 22
    Storage Capacity 250 GB256 GB
    RPM
    Type Hard Disc (HDD)Solid State Drive (SSD)
    Interface SATA
    Features RAID support:Yes
    Optical Type Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11n)Yes (802.11n), Intel WiDi
    Bluetooth Yes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 2 Version:2.0 Powered while off:Yes1 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (34), PC Card (PCMCIA)
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMCMemory Stick Duo, SD
    Multi Purpose DriveBay NoNo
    Docking Station Port NoYes
    Devices Keyboard Backlight
    Pointing Touchpad (2 Buttons)Touchpad (Multitouch)
    Camera Yes, 2 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock, Face recognition webcam
    Baterry Cells 6 cells
    Type Li-IonLi-Pol
    Capacity 56 WHr4000 mAh
    Autonomy 13.75 Hours

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