Compare phones
| Global Score | |
| 73.3 | 76.6 |
| Basic Information | |
| Asus | Xiaomi |
| Android 6.0 Marshmallow | Android 10 |
| 2016-07-12 | 2020-05-20 |
| 7.34 x 3.70 x 0.27 inches | 6.39 x 3.04 x 0.35 inches |
| 8.22 ounces | 7.02 ounces |
| Gold, Gray, Pink and Silver | Forest green, Midnight gray and Polar white |
| Aluminum | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 324 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | MediaTek Helio G85 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 510 GPU | Mali G52 MC2 GPU |
| 8.91 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 12.86 | 10.02 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.01 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4600mAh Li - Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.48 | 6.8 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.0 |
| 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 |
| FM Radio | -- |
Comparison review
The Xiaomi Redmi Note 9 is slightly better than the Asus ZenFone 3 Ultra, getting a 76.6 score against 73.3. Both of these phones come with Android OS (Operating System), but Xiaomi Redmi Note 9 has an older 10 version while Asus ZenFone 3 Ultra has Android 6.0 Marshmallow. Xiaomi Redmi Note 9's construction is a lot newer and somewhat lighter than Asus ZenFone 3 Ultra's, but it's also a lot thicker.
The Xiaomi Redmi Note 9 features a bit more powerful processor than Asus ZenFone 3 Ultra, although it has a smaller amount of RAM memory, they both have the same number of cores. The Xiaomi Redmi Note 9 features a little sharper screen than Asus ZenFone 3 Ultra, because although it has a bit smaller display, it also counts with a little bit better pixels count per inch in the display and a slightly better resolution of 1080 x 2340px.
The Asus ZenFone 3 Ultra counts with a way bigger storage capacity for apps and games than Xiaomi Redmi Note 9, because it has 128 GB internal storage and an external memory slot that supports up to 200 GB. The Xiaomi Redmi Note 9 takes clearer videos and photos than Asus ZenFone 3 Ultra, and although they both have the same 1920x1080 (Full HD) video definition, the Xiaomi Redmi Note 9 also has higher video frame rates, a larger diafragm aperture and a lot more MP back camera.
Xiaomi Redmi Note 9 counts with a bit better battery life than Asus ZenFone 3 Ultra, because it has a 9% greater battery capacity.
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