Compare phones
| Global Score | |
| 79.2 | 83 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-07-24 | 2021-01-18 |
| 6.04 x 2.83 x 0.33 inches | 6.37 x 3.04 x 0.36 inches |
| 6.13 ounces | 7.02 ounces |
| Blue, Gray and White | Daybreak purple and Nightfall black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.5 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 282 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | MediaTek Dimensity 800U chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 610 GPU | Mali-G57 MC3 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 | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") 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 | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.44 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4030mAh Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 9T is slightly better than the Xiaomi Mi A3, with an 83 score against 79.2. Both of these phones include Android operating system, but Xiaomi Redmi Note 9T has the older 10 version while Xiaomi Mi A3 has Android 11. Even though the Xiaomi Redmi Note 9T is newer than the Xiaomi Mi A3, it is somewhat heavier and a bit thicker.
The Xiaomi Redmi Note 9T has a little bit better processing power than Xiaomi Mi A3. Both have 4 GB of RAM and a Octa-Core processor. The Xiaomi Redmi Note 9T counts with a much better looking screen than Xiaomi Mi A3, because it has a quite larger screen, more pixels per screen inch and a lot better resolution of 1080 x 2340.
Xiaomi Redmi Note 9T counts with a bit better camera than Xiaomi Mi A3, and although they both have the same 3840x2160 (4K) video quality, a 48 MP resolution camera in the back, the same video frame rates and the same aperture, the Xiaomi Redmi Note 9T also has a larger sensor taking higher quality photographs and videos.
The Xiaomi Mi A3 counts with a better storage capacity to install applications and games than Xiaomi Redmi Note 9T, because although it has an external SD slot that supports up to 256 GB against 512 GB, it also counts with 128 GB internal storage. Xiaomi Redmi Note 9T features improved battery life than Xiaomi Mi A3, because it has a 24 percent larger battery size.
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