Compare phones
| Global Score | |
| 75.5 | 76.6 |
| Basic Information | |
| Asus | Xiaomi |
| Android 8.0 Oreo, 7.1 Nougat | Android 10 |
| 2017-10-30 | 2020-05-20 |
| 6.18 x 2.98 x 0.30 inches | 6.39 x 3.04 x 0.35 inches |
| 6.17 ounces | 7.02 ounces |
| Black and White | Forest green, Midnight gray and Polar white |
| Glass and Metal | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 283.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 401 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | MediaTek Helio G85 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 540 GPU | Mali G52 MC2 GPU |
| 9.45 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.66 | 10.02 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 25.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.68 | 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 | |
| 3600mAh Li - Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | 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 is a bit better than Asus ZenFone 4 Pro, getting a 76.6 score against 75.5. These phones have Android operating system, but Xiaomi Redmi Note 9 has the older 10 version and Asus ZenFone 4 Pro has Android 8.0 Oreo. Xiaomi Redmi Note 9 is a much newer cellphone than the Asus ZenFone 4 Pro, although it is heavier and somewhat thicker.
Asus ZenFone 4 Pro counts with a little better hardware performance than Xiaomi Redmi Note 9, and although they both have a Octa-Core CPU, the Asus ZenFone 4 Pro also has more RAM. Asus ZenFone 4 Pro counts with a bit sharper screen than Xiaomi Redmi Note 9, because although it has a quite lower 1080 x 1920px resolution and a little smaller screen, it also counts with a just a little more pixels per screen inch.
Asus ZenFone 4 Pro has a much bigger storage to install applications and games or saving photos and videos than Xiaomi Redmi Note 9, and although they both have exactly the same internal storage, the Asus ZenFone 4 Pro also has a SD memory card expansion slot that holds a maximum of 1,95 TB. Xiaomi Redmi Note 9 captures much clearer photographs and videos than Asus ZenFone 4 Pro, because although it has a tinier aperture which is not nice for shooting photos and videos in low-light environments, and they both have the same 30 fps video frame rate and the same (Full HD) video resolution, the Xiaomi Redmi Note 9 also counts with a lot bigger sensor capturing much higher quality videos and pictures and a lot more mega-pixels back facing camera.
Xiaomi Redmi Note 9 has a much longer battery life than Asus ZenFone 4 Pro, because it has a 39% greater battery capacity.
Even being the best phone of the ones we are comparing, Xiaomi Redmi Note 9 is also a lot cheaper, which makes it a no doubt choice.
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