Compare phones
| Global Score | |
| 71.8 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 6.0 Marshmallow | Android 11, 10, 9.0 Pie |
| 2017-02-14 | 2019-07-24 |
| 5.94 x 2.99 x 0.33 inches | 6.04 x 2.83 x 0.33 inches |
| 5.82 ounces | 6.13 ounces |
| 16 777 216 | Blue, Gray and White |
| Metal | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.1 inches |
| 1920 x 1080 pixels (Full HD) | 1560 x 720 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 665 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Adreno 610 GPU |
| 9.09 | 9.09 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 8.12 | 13.18 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.02 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi A3 is much better than Xiaomi Redmi Note 4X, having a overall score of 79.2 against 71.8. Both phones in this comparison work with Android OS (operating system), but Xiaomi Mi A3 has older 11 version while Xiaomi Redmi Note 4X has Android 6.0 Marshmallow version. The Xiaomi Mi A3 is a just a little bit heavier phone than the Xiaomi Redmi Note 4X, but both of them are equally thin.
The Xiaomi Redmi Note 4X counts with a slightly better looking screen than Xiaomi Mi A3, because although it has a bit smaller display, it also counts with a higher resolution of 1080 x 1920 and more pixels per inch of display. Xiaomi Mi A3 has a much bigger memory capacity for games and applications than Xiaomi Redmi Note 4X, because it has a SD memory card expansion slot that supports up to 256 GB and 128 GB internal memory.
Xiaomi Mi A3 features a processing unit that is just as good as the Xiaomi Redmi Note 4X one, and although the Xiaomi Mi A3 has 1 GB more RAM memory, they both have 8 cores. The Xiaomi Mi A3 counts with a greater camera than Xiaomi Redmi Note 4X, because it has a bigger camera aperture for better low light captures and video, a much higher 3840x2160 video quality and a back camera with a way better 48 mega pixels resolution.
The Xiaomi Redmi Note 4X has a little better battery performance than Xiaomi Mi A3, because it has 4100mAh of battery capacity against 4030mAh.
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