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Lenovo ThinkPad T431s
Lenovo IdeaPad Yoga
Lenovo IdeaPad Z400
Lenovo ThinkPad Twist
Lenovo ThinkPad X1 Carbon Ultrabook
Lenovo ThinkPad T431s Notebook
Lenovo IdeaPad Yoga 13 13.3-Inch Convertible Touchscreen Ultrabook
Lenovo IdeaPad Z400 14-Inch Touchscreen Laptop
Lenovo ThinkPad Twist S230u Touchscreen Ultrabook
Lenovo ThinkPad X1 Carbon - Intel Core i5-3317U (3M Cache, up to 2.60 GHz) (X1CARBONBASESAP) PC Notebook
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Release Date
Mar 2013
Oct 2012
Feb 2013
Oct 2012
Aug 2012
Installed RAM
4096.0 MB
4096.0 MB
6144.0 MB
8192.0 MB
4096.0 MB
Operating System
Display
14 in. LED backlight
13.3 in LED backlight
14 in. HD+
12.5 in. HD IPS display with Touch Sensor
14.1 in. HD LED
Hard Drive
500 GB SATA
128 GB SSD
1 TB HDD
500 GB SATA, 5400RPM
128 GB SATA III
Installed Memory
4 GB DDR3 SDRAM
4 GB DDR3L SDRAM
6 GB (DDR3 SDRAM)
8 GB (DDR3 SDRAM)
4 GB (DDR3 SDRAM)
Operating System
Windows 7 Professional
Microsoft Windows 8
Windows 8
Windows 8
Microsoft Windows 7 Home Premium
Processor
Core i5 1.8 GHz
Core i5 1.7 GHz
Core i5-3230M 2.6 GHz
Core i5 1.7 GHz
Core i5 1.8 GHz
Laptop Type
Ultrabook
Convertible laptop, Ultrabook
Desktop Replacement
Convertible laptop
Ultraportable Laptop
Average Rating
 3.5 stars
 3.8 stars
 3.3 stars
 3.7 stars
 4.0 stars