Compare phones
| Global Score | |
| 75.2 | 81.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 4.4.3 | Android 10 |
| 2014-07-22 | 2020-05-05 |
| 5.48 x 2.70 x 0.35 inches | 6.53 x 3.02 x 0.35 inches |
| 5.26 ounces | 7.37 ounces |
| Black and White | Glacier white, Interstellar gray and Tropical green |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 329.00 | $ 291.00 |
| Display / Screen | |
| 5 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 441 pixels per inch | 393 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 618 GPU |
| 9.36 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 64.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.79 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 9 Pro is a bit better than Xiaomi Mi 4, getting an 81.1 score against 75.2. The Xiaomi Redmi Note 9 Pro is a much heavier cellphone than the Xiaomi Mi 4, but they are equally thin. These devices have Android OS (Operating System), but Xiaomi Redmi Note 9 Pro has an older 10 version and Xiaomi Mi 4 has Android 4.4.3 version.
Xiaomi Redmi Note 9 Pro's processing unit is just as good as the processing unit in Xiaomi Mi 4, because although the Xiaomi Redmi Note 9 Pro has doesn't have a GPU, it also counts with a greater amount of RAM memory and 4 more cpu cores (although they are slower). The Xiaomi Mi 4 has a sharper screen than Xiaomi Redmi Note 9 Pro, because although it has a way smaller display and a little bit worse resolution of 1920 x 1080 pixels, it also counts with a quite higher pixels count in each display inch.
Xiaomi Redmi Note 9 Pro has a very superior camera than Xiaomi Mi 4, because although it has a smaller aperture which is worse for capturing pictures and videos in poorly lited situations, and they both have the same 30 frames per second video frame rates and the same video resolution, the Xiaomi Redmi Note 9 Pro also counts with a lot higher resolution camera in the back and a much larger camera sensor capturing more light and vivid colors.
Xiaomi Redmi Note 9 Pro counts with a way bigger memory to install applications and games than Xiaomi Mi 4, and although they both have equal internal memory, the Xiaomi Redmi Note 9 Pro also has a SD memory card expansion slot that allows a maximum of 512 GB. Xiaomi Redmi Note 9 Pro has a much longer battery lifetime than Xiaomi Mi 4, because it has a 63 percent bigger battery size.
In addition to being the best phone between the ones we are comparing, Xiaomi Redmi Note 9 Pro is also a bit cheaper.
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