Compare phones
| Global Score | |
| 73.3 | 77.8 |
| Basic Information | |
| Asus | Xiaomi |
| Android 6.0 Marshmallow | Android 11 |
| 2016-07-12 | 2022-03-15 |
| 7.34 x 3.70 x 0.27 inches | 6.01 x 2.75 x 0.32 inches |
| 8.22 ounces | 6.21 ounces |
| Gold, Gray, Pink and Silver | Blue, Grey and Purple |
| Aluminum | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 324 pixels per inch | 418 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 510 GPU | Adreno 650 GPU |
| 8.91 | 6.21 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 12.86 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| -- | 50.00mm focal length |
| 3840 x 2160 (24 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 11.88 |
| 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) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4600mAh Li - Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.48 | 6.32 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | 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 has a score of 77.8, which is slightly better than Asus ZenFone 3 Ultra's 73.3 general score. Both phones we compare here include Android OS (operating system), but the Xiaomi 12X has the previous 11 version while Asus ZenFone 3 Ultra has Android 6.0 Marshmallow. Even though Xiaomi 12X is thicker than the Asus ZenFone 3 Ultra, it's notably lighter and also a lot newer.
Xiaomi 12X features a sharper screen than Asus ZenFone 3 Ultra, because although it has a little smaller display, it also counts with a slightly better resolution of 1080 x 2400 and a better pixel amount in each display inch. The Asus ZenFone 3 Ultra counts with a really superior hardware performance than Xiaomi 12X, although it has lesser RAM, they both have 8 cores.
The Asus ZenFone 3 Ultra counts with a superior memory capacity for games and applications than Xiaomi 12X, and although they both have equal 128 GB internal memory, the Asus ZenFone 3 Ultra also has a SD card slot that holds up to 200 GB. The Xiaomi 12X shoots much better videos and photos than Asus ZenFone 3 Ultra, because it has a bigger aperture for better low-light images and videos, a back-facing camera with a much better resolution and a lot better video quality.
Asus ZenFone 3 Ultra has just a bit longer battery lifetime than Xiaomi 12X, because it has a 2 percent greater battery capacity.
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