Compare phones
| Global Score | |
| 76.7 | 86.3 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11 | -- |
| 2021-05-27 | 2020-07-23 |
| 6.23 x 2.96 x 0.33 inches | 6.73 x 3.07 x 0.39 inches |
| 6.70 ounces | 8.47 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black glare |
| Glass and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.6 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 409 pixels per inch | 390 pixels per inch |
| -- | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.9 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 865+ SM8250 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali G52 MC2 GPU | Yes GPU |
| 9.09 | 9.81 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11 | 12.87 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | 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 |
Comparison review
Asus ROG Phone 3 has an overall score of 86.3, which is much better than Xiaomi Redmi Note 8 2021's 76.7 overall score. Although it's the best in this review, it must be noted that it is also older, somewhat thicker and a lot heavier. The Asus ROG Phone 3 counts with just a bit better display than Xiaomi Redmi Note 8 2021, because although it has a quite worse pixel count in each display inch, and they both have the same exact resolution of 1080 x 2340, the Asus ROG Phone 3 also counts with a little larger display.
Asus ROG Phone 3 features a little faster processor than Xiaomi Redmi Note 8 2021, and although they both have 8 processing cores, the Asus ROG Phone 3 also has more RAM memory. Asus ROG Phone 3 counts with a much better camera than Xiaomi Redmi Note 8 2021, and although they both have a F1.8 aperture, the Asus ROG Phone 3 also has a much better video definition, a back camera with way more mega-pixels and a larger back camera sensor which offers a higher image and video quality.
The Asus ROG Phone 3 has just a bit more storage capacity for games and applications than Xiaomi Redmi Note 8 2021, because although it has no external SD slot, it also counts with 128 GB internal memory capacity. The Asus ROG Phone 3 has a very superior battery performance than Xiaomi Redmi Note 8 2021, because it has a 50 percent bigger battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.