• Outstanding backlit keyboard
  • Fingerprint reader
  • Lots of ports


  • Dull, uninspired design
  • Fairly heavy and bulky
  • No touchscreen

At A Glance

Lenovo's pricey new entry into the Ultrabook market caters deftly to business users, but it fails to deliver most of what's good about Ultrabooks: speed, portability, and convenience.

Manufacturer’s Description

With carbon fiber reinforcement for durability, a newly enhanced keyboard optimized for Windows 8, and introducing the ThinkPad 5-point TrackPad, the T431s Ultrabook delivers premium features.

Manufacturer’s Website

Lenovo ThinkPad T431s

The Specs

Part Number 20AA000BUS
Processor type Intel Core i5-3437U
Processor speed 1900.0 MHz
Operating System Compatibility Microsoft Windows 8
Display size 13.9 inches
Touchscreen No
Aspect ratio 16:9
Resolution 1600 x 900 pixels
Graphics Type Integrated
Primary Graphics Chipset Intel HD 4000
Drive 1 size 500.0 GB
Drive 1 type Hard Disk Drive
Drive 1 speed 7200.0 RPM
General Information
UPC Code 887770585919
Battery Type Lithium Ion Battery
Ports and Connections
Available Interfaces
  • Mini DisplayPort
  • USB 2.0
  • USB 3.0
  • VGA
Ethernet Type 10/100/1000 Mbps
Memory size 4096.0 MB
Memory type DDR3
Memory speed 1600.0 MHz
Width 13.0 inches
Depth 8.9 inches
Height 0.8 inches
Weight 3.3 pounds
Weight with Accessories 3.7 pounds
Included Software
Operating System Microsoft Windows 8 Pro
Other Features
  • Built-In Webcam
  • Fingerprint Reader
Input devices
  • Eraserhead
  • Keyboard
  • Touch Screen
  • Touchpad (multitouch)


Overall Performance
Worldbench Score 121.0
Worldbench Version 8.1
Battery Life 4:45   (hh:mm)
Start Up
Start Up 11.5   seconds (lower is better)
Office Productivity
PCMark 7 Productivity Suite 1786.0   score (higher is better)
Web Browsing
Peacekeeper 2300.0   score (higher is better)
Storage Performance
PCMark 7 Storage Test 483.0   score (higher is better)
File Compression 162.5   seconds (lower is better)
Content Creation
Image Editing 257.4   seconds (lower is better)
Image Editing - GPU Accelerated 325.0   seconds (lower is better)
Video Encoding 211.0   seconds (lower is better)
Audio Encoding 269.5   seconds (lower is better)
3DMark, Firestrike 433.0   score (higher is better)
3DMark, Cloud Gate 3268.0   score (higher is better)
3DMark, Ice Storm 29280.0   score (higher is better)
3DMark, Firestrike Extreme 208.0   score (higher is better)
Dirt Showdown, Low Quality, 1024x768 31.9   Frames per second (higher is better)
Crysis 3, Ultra Quality, 1024x768 12.6   Frames per second (higher is better)
Bioshock Infinite, Low Quality, 1024x768 20.1   Frames per second (higher is better)
Power Usage
Working power usage 2.3   Watt hours
Idle power usage 8.5   Watts