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ASUS U31SD
Sony VAIO VGN-Z
Sony VAIO VPC-Z
Aspire Timeline X AS3830
ASUS U33Jc-A1
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
Aspire Timeline X 3830GTs Notebook
ASUS U33Jc-A1 13 3  Notebook PC - Bamboo
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Release Date
Jun 2011
Jun 2009
Jun 2010
May 2011
Jul 2010
Processor Speed
2.4 GHz
2.53 GHz
2.4 GHz
2.3 GHz
2.4 GHz
Installed RAM
4096.0 MB
3072.0 MB
6144.0 MB
4096.0 MB
4096.0 MB
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 GT 540M
NVIDIA GeForce 310M
Display
13.3 in. LCD
12.1 in.
13.1 in.
13.3 in. Active Matrix TFT Color LCD
13.3 in.
Hard Drive
640 GB SATA, 5400 rpm
3 GB Serial ATA, 5400 RPM
256 GB
500 GB Serial ATA, 5400 RPM
500GB SATA HDD
Installed Memory
4 GB (DDR3 SDRAM)
3 GB (DDR3 SDRAM)
6GB (DDR3 SDRAM)
4GB (DDR3 SDRAM)
4 GB DDR3
Operating System
Microsoft Windows 7 Home Premium 64-bit
Microsoft Windows Vista Business
Windows 7 Professional 32-bit
Windows 7 Home Premium
Microsoft Windows 7 Home Premium
Processor
Core i5 2.4 GHz
Core 2 Duo 2.53 GHz
Core i5 2.4 GHz
Intel Core i5 2.3 GHz
Intel Core i3 2.4GHz
Laptop Type
Thin and Light Laptop
Ultraportable Laptop
Netbook
Notebook
Use
Home Use
Corporate Business, Small Business, Business
Home Use
Home Use
Average Rating
 3.6 stars
 4.1 stars
 3.7 stars
 4.0 stars
 3.5 stars