Compare phones
| Global Score | |
| 72.6 | 76.6 |
| Basic Information | |
| Asus | Xiaomi |
| Android 12 | Android 10 |
| 2022-07-28 | 2020-05-20 |
| 5.77 x 2.68 x 0.36 inches | 6.39 x 3.04 x 0.35 inches |
| 5.96 ounces | 7.02 ounces |
| -- | Forest green, Midnight gray and Polar white |
| -- | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 446 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm) chipset | MediaTek Helio G85 chipset |
| processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 730 GPU | Mali G52 MC2 GPU |
| 6.21 | 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 | |
| 50.00 MP + 12.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 14.40mm focal length | -- |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.43 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 9 has a global score of 76.6, which is a bit better than the Asus Zenfone 9's 72.6 overall score. These devices have Android OS (Operating System), but the Xiaomi Redmi Note 9 has older 10 version and Asus Zenfone 9 has Android 12. The Xiaomi Redmi Note 9 is a incredibly older and heavier cellphone than Asus Zenfone 9, but Xiaomi was able to build it just a little thinner anyway.
The Xiaomi Redmi Note 9 has a way better performance than Asus Zenfone 9, although it has a smaller amount of RAM, they both have a Octa-Core processing unit. Xiaomi Redmi Note 9 counts with a bit more vivid screen than Asus Zenfone 9, because although it has a bit worse resolution of 1080 x 2340 pixels and a quite lower pixels quantity in each inch in the display, it also counts with a little bit larger display.
The Asus Zenfone 9 has a little bit more memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 9, because although it has no SD card slot, it also counts with 64 GB more internal memory. The Xiaomi Redmi Note 9 has longer battery duration than Asus Zenfone 9, because it has a 5020mAh battery capacity.
Asus Zenfone 9 captures much better photographs and videos than Xiaomi Redmi Note 9, because although it has a smaller diafragm aperture, it also counts with a lot larger sensor which provides a lot better photo and video quality, a back facing camera with more mega-pixels and a way better video quality.
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