Compare phones
| Global Score | |
| 83 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2021-01-18 | 2019-07-24 |
| 6.37 x 3.04 x 0.36 inches | 6.04 x 2.83 x 0.33 inches |
| 7.02 ounces | 6.13 ounces |
| Daybreak purple and Nightfall black | Blue, Gray and White |
| Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.1 inches |
| 2340 x 1080 pixels | 1560 x 720 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| MediaTek Dimensity 800U chipset | Qualcomm Snapdragon 665 chipset |
| ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G57 MC3 GPU | Adreno 610 GPU |
| 9.36 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 13.18 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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
The Xiaomi Redmi Note 9T is just a bit better than Xiaomi Mi A3, getting an 83 score against 79.2. Both of these devices include Android OS (Operating System), but the Xiaomi Redmi Note 9T has the previous 10 version while Xiaomi Mi A3 has Android 11 version. The Xiaomi Redmi Note 9T design is newer, but a little thicker and heavier than Xiaomi Mi A3.
The Xiaomi Redmi Note 9T counts with a little faster processing unit than Xiaomi Mi A3. Both of them have a Octa-Core processing unit and a 4 GB RAM memory. Xiaomi Redmi Note 9T features a brighter display than Xiaomi Mi A3, because it has a lot better resolution of 1080 x 2340 pixels, more pixels per inch of screen and a quite larger screen.
The Xiaomi Redmi Note 9T captures slightly better videos and photos than Xiaomi Mi A3, and although they both have a back-facing camera with a 48 megapixels, the same 3840x2160 video quality, a same size aperture and the same 30 frames per second video frame rates, the Xiaomi Redmi Note 9T also has a larger sensor taking more light and vivid colors.
The Xiaomi Mi A3 features more memory to store more apps and games than Xiaomi Redmi Note 9T, because although it has a SD memory card expansion slot that supports up to 256 GB against 512 GB, it also counts with 128 GB internal memory. The Xiaomi Redmi Note 9T counts with better battery duration than Xiaomi Mi A3, because it has a 24% bigger battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.