<P> The Yoga 900 (also known as Yoga 4 Pro) is the replacement for the Yoga 3 Pro . It was designed to improve upon problems with overheating and battery life . It uses Core i5 and i7 Skylake - class processors from Intel, integrated graphics, 256 - gigabyte or 512 - gigabyte solid state drives, and up to 16 gigabytes of RAM . It runs on a 66 - watt - hour battery . It is somewhat heavier and thicker than the Yoga 3 Pro at 1.29 kilograms of weight and 14.9 millimeters in thickness . One USB 3.0 Type - C port and a USB 2.0 port are included . This device has a 3,200 × 1,800 pixel display . The Business Edition version of the Lenovo Yoga 900 is primarily differentiated from the standard model through its implementation of enterprise - grade security via a Trusted Platform Module chip and accompanying security software . </P> <P> The Yoga Book is a compact hybrid tablet designed similarly to the Yoga laptops that is available in both Android Marshmallow and Windows 10 Home versions . Featuring the same "watchband hinge" as the Yoga 3 Pro, the major difference is that the traditional mechanical keyboard is replaced with a pressure - sensitive "Create Pad" that responds to an active stylus with 2,048 levels of pressure and a backlit, touch - sensitive "Halo Keyboard" with haptic feedback . The device is powered by a Intel Atom x5 processor and has a 10.1 - inch full HD screen, 4 GB of RAM, and 64 GB of internal storage with microSD card expansion support, Dolby Atmos stereo speakers, and optional 4G LTE . It became available for sale in September 2016 . </P> <P> Lenovo announced the Yoga 710 at the Mobile World Congress in 2016 . The Yoga 710 comes in versions with 11 - inch and 14 - inch displays . The 11 - inch version uses Intel Core M low - power processors, weighing just 2.35 lbs and 0.58 inches thin, has 8 gigabytes of memory, and includes a solid - state drive with a capacity up to 256 gigabytes . The same processor is used in Apple's 12 - inch MacBook . The 14 - inch version uses standard Intel Core i5 and Core i7 processors and optional Nvidia GeForce 940M or 940MX graphics processors . Both versions use 1080p IPS screens . </P> <P> The Yoga 510 uses the same Intel Core i5 and Core i7 processors as the 14 - inch version of the Yoga 710 . It comes in versions with 14 - inch and 15 - inch IPS displays with 1080p resolution . The 510 is called the Flex 4 in the United States . </P>

When did the lenovo yoga 710 come out