Compare phones
| Global Score | |
| 79.2 | 81.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-07-24 | 2020-05-05 |
| 6.04 x 2.83 x 0.33 inches | 6.53 x 3.02 x 0.35 inches |
| 6.13 ounces | 7.37 ounces |
| Blue, Gray and White | Glacier white, Interstellar gray and Tropical green |
| Glass (Corning Gorilla Glass 5) and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 291.00 |
| Display / Screen | |
| 6.1 inches | 6.7 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 282 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Adreno 618 GPU |
| 9.09 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 64.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.44 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4030mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 9 Pro is just a bit better than Xiaomi Mi A3, having a score of 81.1 against 79.2. These phones use Android OS, but Xiaomi Redmi Note 9 Pro has older 10 version and Xiaomi Mi A3 has Android 11. Xiaomi Redmi Note 9 Pro's design is newer, but a little bit thicker and heavier than Xiaomi Mi A3.
Xiaomi Redmi Note 9 Pro features a bit more vivid screen than Xiaomi Mi A3, because it has a little bit bigger display, a greater count of pixels per display inch and a much better resolution of 1080 x 2400 pixels. The Xiaomi Mi A3 counts with a bigger memory for games and applications than Xiaomi Redmi Note 9 Pro, because although it has a slot for external memory cards that admits a maximum of 256 GB against 512 GB, it also counts with 128 GB internal memory capacity.
The Xiaomi Redmi Note 9 Pro has a little faster processing unit than Xiaomi Mi A3, and although they both have a Octa-Core processing unit, the Xiaomi Redmi Note 9 Pro also has a larger amount of RAM memory. The Xiaomi Redmi Note 9 Pro counts with a slightly better camera than Xiaomi Mi A3, because although it has a smaller aperture which is not so good for shooting photos and/or video in low light situations, and they both have the same video frame rate and the same 3840x2160 video resolution, the Xiaomi Redmi Note 9 Pro also counts with a camera with a way higher 64 MP resolution and a much bigger sensor shooting lot higher quality videos and pictures.
The Xiaomi Redmi Note 9 Pro features better battery life than Xiaomi Mi A3, because it has 5020mAh of battery capacity.
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