Lenovo's ultraportable ThinkPad T420S laptop


Lenovo's ultraportable ThinkPad T420S laptop


Very much ultraportable, the Lenovo ThinkPad T420S comes with everything Lenovo computers are famous for, such as durability, impressive performance etc. But electronic devices are bound to have some flaws somewhere.

Lenovo ThinkPad T420S is no different, but the flaws are adjustable. As a matter of fact, they aren’t actually flaws. Although the Lenovo ThinkPad T420S has a durable build and offers impressive performance at a very reasonable and affordable price tag, the laptop doesn’t have a good battery.

It has also been noted that, some users thought that ThinkPad T420S is not comfortably thin or light, but it was okay for many others. Specifications-wise, this laptop would be a very good choice for someone looking for a decent, affordable laptop.

FEATURES of Lenovo ThinkPad T420S






High resolution anti glare WXGA


14.1 inches; 1600 x 900 pixels




HD webcam with max resolution 1280 x 720; mic




2 GB DDR3 RAM; 320 GB HDD (7200 rpm)

Video memory

64 MB

Optical drive


9.5mm thick SATA DVD+/-RW DL




Yes; Intel 6300 802.11 a/g/n (at extra cost)


USB 2.0; USB 3.0

Other ports

Ethernet, VGA, Display port

Card reader

Yes; Express Card slot with SD card reader (optional)





44 Wh 6-cell battery + Optional 33 Wh Ultrabay battery

Battery life

Up to 8 hours with Ultrabay battery




13.5 x 9.1 x 0.95-1.05 inches


1.94 Kg (including batteries)

Operating system

Microsoft Windows 7 Professional 64 bit


Intel QM67


Intel i5-2520M 2.5 GHz with TurboBoost to 3.2 GHz


Integrated Intel HD 3000 (optional extra)


3 MB

Although, the ThinkPad T420S does a neat job when used for business purposes, the notebook lacks many factors that can give it higher ranks when it comes to entertainment. The poor Intel HD 3000 optional GPU with 64 MB video memory means the high resolution 14.1 inch display of the notebook is worthless because it isn’t that good in full HD video playback and barely manages to play the file.

The battery’s inefficiency should also be noted, and unless you opt for an additional Ultrabay battery to work with the main one, the T420S won’t be functioning beyond 4 hours or so. The processor is excellent though. With a clock speed of 2.5 GHz, the processor can also use the TurboBoost technology to boost the system’s performance to that with a processor equivalent to 3.2 GHz clock speed.

The keyboard and touchpad are pretty decent and responsive. The only disappointment is that there is no Backlit support for the keyboard. Considering all factors, Lenovo ThinkPad T420S would get an above average grade for business, for which it is designed, and average or lower grades for entertainment purposes. The Lenovo ThinkPad T420S is expected to have a price tag of around Rs 70,000/-.

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