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Lenovo ThinkPad T431s
ASUS Vivobook V500CA
ASUS VivoBook S550CA
Lenovo IdeaPad Z400
Gigabyte U2442T-CF1
Lenovo ThinkPad T431s Notebook
ASUS Vivobook V500CA-DB71T 15.6-Inch Touchscreen Laptop
ASUS VivoBook S550CA-DS51T 15.6-Inch Laptop
Lenovo IdeaPad Z400 14-Inch Touchscreen Laptop
Gigabyte U2442T-CF1 Laptop
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Release Date
Mar 2013
Jul 2013
Mar 2013
Feb 2013
Apr 2013
Processor Speed
1.8 GHz
2.0 GHz
1.7 GHz
2.6 GHz
2.6 GHz
Installed RAM
4096.0 MB
8192.0 MB
6144.0 MB
6144.0 MB
8192.0 MB
Display Size
14.0 in.
15.6 in.
15.6 in.
14.0 in.
14.0 in.
Expandability
1 x SD Card Slot
1 x SD Card Slot
SD Card
SD Card
SD Card
Display
14 in. LED backlight
15.6 In.
15.6 in. LED backlight
14 in. HD+
14 in. Capacitive Multi-touch Panel LCD
Hard Drive
500 GB SATA
500GB 5400RPM
500 GB HDD, 5400 rpm
1 TB HDD
128GB mSATA SSD + 750GB SSHD (Hybrid HDD) 7200rpm
Installed Memory
4 GB DDR3 SDRAM
8 GB (DDR3 SDRAM)
6 GB (DDR3 SDRAM)
6 GB (DDR3 SDRAM)
8 GB (DDR3 SDRAM)
Operating System
Windows 7 Professional
Windows 8
Windows 8
Windows 8
Windows 8
Processor
Core i5 1.8 GHz
Core i7-3537U 2.0 GHz
Core i5-3317U 1.7 GHz
Core i5-3230M 2.6 GHz
Core i5-3230M 2.6GHz
Laptop Type
Ultrabook
Desktop Replacement
Ultrabook
Desktop Replacement
Ultrabook
Average Rating
 3.5 stars
 3.0 stars
 3.5 stars
 3.3 stars
 4.0 stars