The original Redmi Note was popular, but the Redmi Note 3 launched the series into the stratosphere. The sleek aluminum exterior belied the $150 price tag of the phone - less than half what the Mi Note cost (both launched in 2015), but the phone's well thought out spec sheet made it a hit with buyers. In fact, the phone proved so popular that in September 2017 it became one of the Top 10 most popular smartphones globally, according to Insight Portal. It was rubbing shoulders with iPhones and Galaxys. But we're getting ahead of ourselves. The original was powered by a MediaTek Helio...
Source: https://www.gsmarena.com/flashback_xiaomi_redmi_note_3-news-42121.php