The 900X5L has 15-inch screen and a 6.2 mm bezel. It packs has Samsung's 'Quick Charging' technology that enables the laptop to be fully charged in 90 minutes and to be used up to 12 hours. A 20-minute chagre is enough to power the laptop for up to 3.7 hours, according to Samsung.
The 900X3L model weighs just 840g - 230g less than 2015 model. Other than that, it shares the same spec: a 400-nit display and an auto-backlit keyboard.
Both of models based on Gen. 6 Intel Core i5 Processors, have 8GB memory and 128 GB SSDs.
The laptops will be officially released early January of 2016.