Compare phones
| Global Score | |
| 86.3 | 76.7 |
| Basic Information | |
| Asus | Xiaomi |
| -- | Android 11 |
| 2020-07-23 | 2021-05-27 |
| 6.73 x 3.07 x 0.39 inches | 6.23 x 2.96 x 0.33 inches |
| 8.47 ounces | 6.70 ounces |
| Black glare | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass (Corning Gorilla Glass 3) | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.6 inches | 6.3 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 390 pixels per inch | 409 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Yes GPU | Mali G52 MC2 GPU |
| 9.81 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 64.00 MP + 24.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.87 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.6 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| 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 |
Comparison review
Asus ROG Phone 3 has a global score of 86.3, which is better than the Xiaomi Redmi Note 8 2021's general score of 76.7. Although it's the best phone in our current comparison, we must highlight that it is also older, somewhat thicker and heavier. The Asus ROG Phone 3 features a bit better performance than Xiaomi Redmi Note 8 2021, and although they both have the same number of cores, the Asus ROG Phone 3 also has more RAM memory.
The Asus ROG Phone 3 counts with a little more vivid display than Xiaomi Redmi Note 8 2021, because although it has a little lower screen pixel density, and they both have exactly the same resolution of 1080 x 2340px, the Asus ROG Phone 3 also counts with a little bigger display. Asus ROG Phone 3 has a slightly bigger storage for applications and games than Xiaomi Redmi Note 8 2021, because although it has no slot for external memory cards, it also counts with more internal storage.
Asus ROG Phone 3 takes much better pictures and videos than Xiaomi Redmi Note 8 2021, and although they both have the same camera aperture, the Asus ROG Phone 3 also has a camera with a way higher resolution, a bigger sensor which provides a better image and video quality and a way better video quality.
The Asus ROG Phone 3 counts with a much longer battery life than Xiaomi Redmi Note 8 2021, because it has 6000mAh of battery capacity against 4000mAh.
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