Lenovo S31 and S41 were released at the consumers electronic show where Lenovo used Nano Imprint Lithography for manufacturing these laptops. This technology allowed the manufacture to color the metal surfaces of the chassis. This gives it is a very clean and sleek look.
As ultrabookindia.info says both Lenovo S31 and S41 are very difficult to distinguish as they pack same specifications. The only difference is the screen size and dimensions with Lenovo S31 packing 13.3 inch display with 1366 x 768 pixel resolution and S41 packing 14” full HD display. The Lenovo S41 has thickness of 19.5 mm and a weight of 1.8 kg whereas the S31 has thickness and weight of 19.3 mm and 1.5 Kg respectively.
Common specifications are Intel Core i-series processor, up to 8GB of DDR3L RAM, dedicated Nvidia GeForce graphics and 256GB SSD / 1TB hard disk.
Port selection includes two USB 3.0, USB 2.0, HDMI video output, a webcam, stereo speakers, Ethernet LAN, Wi-Fi, Bluetooth modules together with a SD memory card reader and a RJ-45 network connector.
The two laptops Lenovo S31 and S41 will both have the same starting price for the base configuration which is $ 499.