Compare phones
| Global Score | |
| 81 | 86.3 |
| Basic Information | |
| Xiaomi | Asus |
| Android 12 | -- |
| -- | 2020-07-23 |
| -- | 6.73 x 3.07 x 0.39 inches |
| -- | 8.47 ounces |
| Black and White | Black glare |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.6 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 524 pixels per inch | 390 pixels per inch |
| 1500 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.7 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 865+ SM8250 chipset |
| processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 730 GPU | Yes GPU |
| 6.21 | 9.81 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 20.00 MP | 64.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.32 | 12.87 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4800mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Asus ROG Phone 3 is a little bit better than Xiaomi 12S Ultra, with an 86.3 score against 81. The Xiaomi 12S Ultra has a bit more vivid screen than Asus ROG Phone 3, because it has more brightness, a little larger display, more pixels per inch of screen and a better 1440 x 3200 pixels resolution.
Xiaomi 12S Ultra features a much bigger storage capacity to store more apps and games than Asus ROG Phone 3, because it has 256 GB internal storage capacity. The Asus ROG Phone 3 counts with a much better performing processor than Xiaomi 12S Ultra, and although they both have a Octa-Core processing unit, the Asus ROG Phone 3 also has a higher amount of RAM.
The Asus ROG Phone 3 has a bit better camera than Xiaomi 12S Ultra, and although they both have the same 7680x4320 video definition, the Asus ROG Phone 3 also has higher 30 fps video frame rate, a back-facing camera with a much better 64 megapixels resolution, a larger back camera sensor taking higher quality videos and photographs and a bigger aperture to take better images in low-light situations.
The Asus ROG Phone 3 has improved battery life than Xiaomi 12S Ultra, because it has a 25 percent greater battery size.
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