Compare phones
| Global Score | |
| 86.3 | 76.6 |
| Basic Information | |
| Asus | Xiaomi |
| -- | Android 10 |
| 2020-07-23 | 2020-05-20 |
| 6.73 x 3.07 x 0.39 inches | 6.39 x 3.04 x 0.35 inches |
| 8.47 ounces | 7.02 ounces |
| Black glare | Forest green, Midnight gray and Polar white |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 390 pixels per inch | 396 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | MediaTek Helio G85 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 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 HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
The Asus ROG Phone 3 has an overall score of 86.3, which is much better than the Xiaomi Redmi Note 9's general score of 76.6. Even being the best device in this review, the Asus ROG Phone 3 is a heavier and thicker device than the Xiaomi Redmi Note 9. Asus ROG Phone 3 has a better screen than Xiaomi Redmi Note 9, because although it has a quite lower display pixel density, and they both have an equal resolution of 1080 x 2340, the Asus ROG Phone 3 also counts with a little bigger display.
The Asus ROG Phone 3 features just a little better processing power than Xiaomi Redmi Note 9, and although they both have a Octa-Core CPU, the Asus ROG Phone 3 also has 9 GB more RAM memory. Asus ROG Phone 3 has a better camera than Xiaomi Redmi Note 9, and although they both have a F1.8 diafragm aperture, the Asus ROG Phone 3 also has a lot higher video quality, a back facing camera with way more MP and a larger back-facing camera sensor capturing higher quality pictures and videos.
The Asus ROG Phone 3 features a little bit better storage for applications, games, photos and videos than Xiaomi Redmi Note 9, because although it has no external memory slot, it also counts with 128 GB internal memory. Asus ROG Phone 3 has longer battery lifetime than Xiaomi Redmi Note 9, because it has a 20 percent larger battery size.
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