Both phones come with Plastic build, 6.53-inch FHD+ Display Redmi 9 Prime has Dewdrop Notch whereas Redmi Note 9 left punch-hole display, Redmi 9 is powered by Helio G80 whereas Note 9 has Helio G85 Processor.
Redmi 9 Prime comes with 13MP main Camera, 8MP Ultra-wide, 5MP macro,2MP depth sensor, and 8MP front camera whereas Redmi Note 9 has 48MP main camera, 8MP Ultra Wide, 2MP depth, Macro and 13MP front camera, Both are packed by 5020mAh Battery. Redmi 9 Prime supports 18W Charging (10W Charger in Box) Redmi Note 9 comes with 22.5W Charger in Box supports up to 18W.
Redmi 9 Prime vs Redmi Note 9
| Display: 6.53-inch (2340 × 1080 pixels) Full HD+ LCD, Corning Gorilla Glass 3 protection | 6.53-inch (2340 × 1080 pixels) Full HD+ display with Corning Gorilla Glass 5 protection |
| CPU:MediaTek Helio G80 12nm processor | MediaTek Helio G85 12nm processor |
| RAM 4GB LPPDDR4x RAM, | 4/6GB LPPDDR4x RAM |
| 64GB / 128GB (eMMC 5.1) storage, expandable memory up to 512GB with microSD | 64/128GB eMMC 5.1 storage, expandable memory up to 512GB with microSD |
| Camera: 13MP rear camera with f/2.2 aperture, LED flash, 8MP 118.2° ultra-wide angle lens with f/2.2 aperture, 2MP depth and 5MP 4cm macro camera with f/2.4 aperture | 48MP rear cameras with Samsung GM1 sensor, f/1.79 aperture, PDAF, EIS, 0.8μm pixel size, LED flash, EIS, 8MP ultra-wide-angle lens, 2MP macro lens, and 2MP depth sensor |
| 8MP front camera | 13MP front camera |
| Dual 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 5, GPS + GLONASS, USB Type-C | Dual 4G VoLTE, WiFi 802.11 ac (2.4GHz + 5GHz) 2 x 2 MIMO, VoWiFi, Bluetooth 5, GPS, NavIC, USB Type-C |
| Rear fingerprint sensor | Rear fingerprint sensor |
| 5020mAh battery with 18W fast charging (10W Charger in Box) |
5020mAh battery with 18W fast charging (22.5W Charger in Box) |
| Android 10 with MIUI 11 | Android 10 with MIUI 11 |
Redmi Note 9 comes in Aqua Green, Arctic White, Pebble Grey Colour options priced at Rs 11,999, Rs 13499 for 4GB RAM, 128GB Storage, and Rs 14,999 for 6GB RAM. Redmi 9 comes in Sunrise Flare, MintGreen, Space Blue, and Matte Black colors priced at Rs 9,999 for 4GB RAM and Rs 11,999 for 4GB RAM, 128GB Storage. Redmi Note 9 comes with Punch Hole Display, 48MP Camera, 22.5W Charger in Box. Redmi 9 Prime at Rs 10,000 FHD+ Display, Helio G80 Processor, Supports 18W Fast charging.