Compare phones
| Global Score | |
| 74.9 | 77.8 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 8.1 Oreo | Android 11 |
| 2018-07-19 | 2022-03-15 |
| 6.94 x 3.44 x 0.31 inches | 6.01 x 2.75 x 0.32 inches |
| 7.80 ounces | 6.21 ounces |
| 16 777 216 | Blue, Grey and Purple |
| Aluminum | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.9 inches | 6.3 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 350 pixels per inch | 418 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 509 GPU | Adreno 650 GPU |
| 8.91 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 50.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| -- | 50.00mm focal length |
| 0.39 inches (1/2.55") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.68 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.2 | 6.32 |
| 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 12X is a little bit better than Xiaomi Mi Max 3, having a 77.8 score against 74.9. Both of these phones come with Android OS (operating system), but the Xiaomi 12X has the previous 11 version and Xiaomi Mi Max 3 has Android 8.1 Oreo. Xiaomi 12X's body is a lot newer and a lot lighter than the Xiaomi Mi Max 3's, but it's also just a bit thicker.
Xiaomi 12X counts with a better looking display than Xiaomi Mi Max 3, because although it has a quite smaller screen, it also counts with a bit higher resolution of 1080 x 2400 pixels and a bit more pixels per inch of display. Xiaomi Mi Max 3 counts with a little bit better memory capacity for games and applications than Xiaomi 12X, because although it has just 64 GB internal storage, it also counts with a slot for an external memory card that admits a maximum of 256 GB.
Xiaomi Mi Max 3 features a much more powerful processor than Xiaomi 12X, although it has a smaller amount of RAM memory, they both have 8 CPU cores. The Xiaomi Mi Max 3 counts with superior battery duration than Xiaomi 12X, because it has a 22% greater battery size. The Xiaomi 12X shoots way better videos and photos than Xiaomi Mi Max 3, and although they both have a F1.9 aperture, the Xiaomi 12X also has a way better 7680x4320 video resolution and a camera in the back with much more mega pixels.
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