Today is a big day for vivo, as the Chinese company has unveiled the market ready version of its APEX concept smartphone, which shocked and awed the world at MWC in February. And while the vivo NEX S is the new flagship device, the NEX A comes to complement it in the company's roster, bringing with it what we assume will be a lower price. That assumption is there because the NEX A is powered by the Snapdragon 710 SoC, and not the 845 in the S. It has a 'vanilla' fingerprint sensor on the back, and not an under-display unit. The NEX A will also settle for 6GB of RAM and 128GB of built-in...
Source: https://www.gsmarena.com/vivo_nex_a_swaps_out_the_snapdragon_845_for_a_710_passes_on_the_underdisplay_fingerprint_sensor-news-31632.php