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Pro Runs almost completely silent
Intel's Core M energy efficient CPUs allow designing devices without a need for fans that create unwanted noise. And because the device has a 256GB SSD, the Yoga 3 Pro runs almost completely silent.
Pro Well-spaced, back-lit keyboard
The keyboards spacing feels comfortable and is back lit, making it easy to use in low light situations.
Pro Versatile design
One of the most useful features of the Yoga 3 Pro is how versatile the design is. It can be used as a standard laptop, as a tablet and in the stand/tent configurations. The solid hinge means there's no fear in moving it around to find whatever position feels best for you.
Pro Can adjust settings based on app in use
Screen lighting levels and color temperatures can change automatically depending on what app is being used.
Pro Good 3200 x 1800 QHD+ display
The Yoga 3 Pro has a 3800 by 1800 IPS display that is very bright & sharp.
Weighs just 1.19kg / 2.62 pounds.
Pro 9 hour battery life
At 9 hours battery life users should be able to get through a full work day without charging.
Con Computers may have man-in-the-middle adware installed
Lenovo is shipping computers preinstalled with man-in-the-middle adware called Superfish. It's a web proxy that can hijack any web session, including encrypted/https sessions. And since the root certificate is the same for everyone with private key present on the machine that's now publicly known, anyone can spoof any site to people using Lenovo laptops. Currently, it affects IE and Chrome browsers with Chrome expected to push an update that will block the certificate soon.
Uninstalling Superfish won't remove the certificate.
Lenovo are standing by their choice to install adware.
Con Slower and with worse battery life than Yoga 2, its predecessor
The Yoga 3 is actually slower and has worse battery life when compared to its previous model.
Con Glossy screen might cause issues in bright environments
Glossy screens are just not good for a work machine, they are meant more for multimedia. So when the ultrabook market is geared towards users who need the portability for work a glossy screen does not make a lot of sense. High lighting situations such as an office (work) or outdoors (portability) create an extremely hard to see screen when they are glossy.