Compare phones
| Global Score | |
| 72.1 | 79 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 10 | Android 11, 10 |
| 2020-08-05 | 2020-04-07 |
| 6.31 x 2.88 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 5.68 ounces | 7.37 ounces |
| Silky white and Starry night | Aurora blue, Glacier white and Interstellar grey |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 393 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Adreno 618 GPU |
| 9.36 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.66 | 11.55 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | 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 9S is just a bit better than OPPO Reno4 Pro, getting a 79 score against 72.1. These devices use Android OS, but Xiaomi Redmi Note 9S has a more recent 11 version and OPPO Reno4 Pro has Android 10 version. The Xiaomi Redmi Note 9S design is thicker and heavier than the OPPO Reno4 Pro.
OPPO Reno4 Pro counts with a bit better performance than Xiaomi Redmi Note 9S, and although they both have the same number of cores, the OPPO Reno4 Pro also has more RAM. The OPPO Reno4 Pro counts with a more vivid screen than Xiaomi Redmi Note 9S, because although it has a little smaller display, and they both have exactly the same resolution of 1080 x 2400px, the OPPO Reno4 Pro also counts with a bit higher pixel quantity in each inch in the screen.
The OPPO Reno4 Pro counts with just a bit better camera than Xiaomi Redmi Note 9S, and although they both have the same back-facing camera sensor size, the same 3840x2160 video definition, the same 30 frames per second video frame rate and a same resolution camera, the OPPO Reno4 Pro also has a bigger camera aperture.
The Xiaomi Redmi Note 9S features a quite bigger memory capacity to store more apps and games than OPPO Reno4 Pro, because although it has only 64 GB internal memory capacity, it also counts with an external memory card slot that holds a maximum of 512 GB. The Xiaomi Redmi Note 9S has longer battery performance than OPPO Reno4 Pro, because it has a 26% more battery capacity.
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