Mate 20 Lite vs P20 Lite: Features & Specs. These are very similar phones, not only in looks, but also in their specifications. The Mate 20 has a few notable differences: Bigger 6.3in screen. Bigger battery (lasts up to 2.5 days) Twin selfie cameras. Both phones are firmly in the mid-range bracket: they lack the Kirin 970 processor you'll zII4Xu.