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ASUS U31SD
Sony VAIO VGN-Z
Sony VAIO VPC-Z
Apple MacBook (Oct 09) 13.3in
Aspire Timeline X AS3830
ASUS U31SD-AH51 (884840936800) PC Notebook
Sony VAIO VGN-Z570N/B 13.1
Sony VAIO Z Series 2 40GHz Intel Core i5-520M Notebook - VPCZ11SGX S
Apple MacBook Notebook  2 4GHz Intel Core 2 Duo Mobile  2GB DDR3  250GB HDD  DVD RW DL  Mac OS X v10 6 Snow Leopard  13 3  LCD
Aspire Timeline X 3830GTs Notebook
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Release Date
Jun 2011
Jun 2009
Jun 2010
Oct 2009
May 2011
Display Size
13.3 in.
13.1 in.
13.1 in.
13.3 in.
13.3 in.
Graphic Processor
NVIDIA GeForce GT 520M
NVIDIA GeForce 9300M GS
NVIDIA GeForce 7900GTX
NVIDIA GeForce 9400M
NVIDIA GeForce GT 540M
Display
13.3 in. LCD
12.1 in.
13.1 in.
13.3 in. LED
13.3 in. Active Matrix TFT Color LCD
Hard Drive
640 GB SATA, 5400 rpm
3 GB Serial ATA, 5400 RPM
256 GB
250GB HDD
500 GB Serial ATA, 5400 RPM
Installed Memory
4 GB (DDR3 SDRAM)
3 GB (DDR3 SDRAM)
6GB (DDR3 SDRAM)
2 GB (DDR3 SDRAM)
4GB (DDR3 SDRAM)
Operating System
Microsoft Windows 7 Home Premium 64-bit
Microsoft Windows Vista Business
Windows 7 Professional 32-bit
Mac OS X v10.6 Snow Leopard
Windows 7 Home Premium
Processor
Core i5 2.4 GHz
Core 2 Duo 2.53 GHz
Core i5 2.4 GHz
Core 2 Duo 2.26 GHz
Intel Core i5 2.3 GHz
Laptop Type
Thin and Light Laptop
Ultraportable Laptop
Netbook
Use
Home Use
Corporate Business, Small Business, Business
Home Use
Average Rating
 3.6 stars
 4.1 stars
 3.7 stars
 3.8 stars
 4.0 stars