Sony VAIO VPC-Z21TGX
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    Acer Aspire AS7741Z-4641
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    General Class Portable Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.00 in x 0.98 in x 8.27 in16.34 in x 1.35 in x 10.83 in
    Weight 1.17 kg (2.57 lb)3.30 kg (7.28 lb)
    Color Black, BlueBlack
    Display Size 13.1 inches17.3 inches
    Resolution 1920x10801600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 2620MIntel Pentium Dual-Core P6200
    Frequence 2.7 GHz2.13 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:4.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Intel HM55 Express
    TDP 35W35W
    Graphics Type Integrated card, External box cardIntegrated card
    Name Intel HD Graphics 3000Intel GMA HD
    Name AMD / ATI Radeon / Mobility Radeon HD 6650M
    Memory 1024 MB
    Memory Capacity 6 GB4 GB
    Max Capacity 6 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3
    Slots 22
    Total Slots 22
    Storage Capacity 256 GB320 GB
    RPM 5400RPM
    Type Solid State Drive (SSD)Hard Disc (HDD)
    Interface SATA
    Features RAID support:Yes
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes, Intel WiDiYes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:Yes
    Modem NoNo
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 4 Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata No
    Thunderbolt No
    FireWire No
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick Duo, SDMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard Backlight
    Pointing Touchpad (2 Buttons, Multitouch)Touchpad (2 Buttons, Multitouch)
    Camera YesYes
    Microphone YesYes
    Security Features Fingerprint reader
    Baterry Cells 6 cells
    Type Li-PolLi-Ion
    Capacity 4000 mAh4400 mAh
    Autonomy 3.6 Hours
    Other Adapter power consumption:Typical: 65 W

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