Compare phones
| Global Score | |
| 76.7 | 87.4 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11 | Android 10 |
| 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 | 8 GB RAM |
| Mali G52 MC2 GPU | Adreno 650 GPU |
| 9.09 | 9.81 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 13.3 |
| 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 Strix Edition is much better than Xiaomi Redmi Note 8 2021, with an 87.4 score against 76.7. Even being the best in this review, we must highlight that it is also an older, thicker and heavier phone. Both phones in this comparison review have Android OS (operating system), but Asus ROG Phone 3 Strix Edition has the previous 10 version and Xiaomi Redmi Note 8 2021 has Android 11 version.
Asus ROG Phone 3 Strix Edition counts with a little sharper screen than Xiaomi Redmi Note 8 2021, because although it has a bit inferior quantity of pixels per screen inch, and they both have an equal resolution of 1080 x 2340px, the Asus ROG Phone 3 Strix Edition also counts with a little larger display.
Asus ROG Phone 3 Strix Edition features a much better storage capacity to store more games and applications than Xiaomi Redmi Note 8 2021, because although it has no SD extension slot, it also counts with more internal memory capacity. Asus ROG Phone 3 Strix Edition counts with just a little better hardware performance than Xiaomi Redmi Note 8 2021, and although they both have a Octa-Core processor, the Asus ROG Phone 3 Strix Edition also has a greater amount of RAM.
Asus ROG Phone 3 Strix Edition has a much better camera than Xiaomi Redmi Note 8 2021, and although they both have a F1.8 aperture, the Asus ROG Phone 3 Strix Edition also has a way higher 7680x4320 video definition, a much higher resolution back-facing camera and a larger back camera sensor which gives a better image and video quality.
Asus ROG Phone 3 Strix Edition counts with a much longer battery life than Xiaomi Redmi Note 8 2021, because it has a 50 percent larger battery capacity.
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