Lenovo Yoga C640 review: The 13.3-inch full HD touchscreen is quite crisp and bright at 300nits (Photo: Nandagopal Rajan/Indian Express) Also, Lenovo is promising 22-hours of battery life with the Yoga C640. Lenovo Yoga C640 initial review: All about 4G connectivity Source: Pocket Lint The Lenovo Yoga C640 is all about 4G LTE connectivity. The fingerprint scanner, although positioned well, … The Yoga C640 checks the right boxes as an ultrabook with more room for improvement. But it’s actually lower as our Yoga C640 review unit has an SRP of PHP 64,995. Lenovo Yoga C640 13 in-depth review Yet another Yoga has come to the market very recently. As we progress with 2020, we will see more of these devices offering full-day battery life. Unboxing the Lenovo Yoga C640 with its Intel Core i3-10110U, 8GB RAM, 128GB SSD, and 13.3-inch FHD display. That's the only screen option, unlike the more expensive Yoga C740 and Yoga … That is a gamechanger in every way. It's also a convertible that includes pen support for $599. It has a lot of features packed into the 13″ 1.3kg body. Our Yoga C640 review unit comes with a 13.3-inch, full HD (1,920-by-1,080-pixel) display. Our Yoga C640 review unit comes with a 13.3-inch, full HD (1,920-by-1,080-pixel) display. It is the Yoga C640 (13), which is a 13-inch convertible that tries to balance on price and versatility while giving you the best performance it cans.