On the end of the specification, the Xiaomi TV A50 comes with a 50-inch display that offers up to a 60Hz refresh rate. The display measures 3840 x 2160 pixels and has support for 1.07 billion colors.

These days, a top-flight smartphone can be a major investment, but our testers have found a great, low-cost solution. In a world of $1,000 smartphones, the Samsung Galaxy A50, ($350; prices vary), ...