Compare phones
| Global Score | |
| 74.1 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 11 |
| 2017-01-23 | 2021-04-02 |
| 5.94 x 2.99 x 0.33 inches | 6.30 x 2.92 x 0.34 inches |
| 5.82 ounces | 6.77 ounces |
| 16 777 216 | Arctic Sky, Astral Black and Winter Mist |
| Aluminum | Aluminum and Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 700.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 23.00mm focal length |
| -- | 0.71 inches (1/1.4") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.02 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 6.32 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
OnePlus 9 is a little bit better than Xiaomi Redmi Note 4, with a global score of 76 against 74.1. Both of these phones come with Android OS (operating system), but OnePlus 9 has an older 11 version while Xiaomi Redmi Note 4 has Android 7.0 Nougat. Even though the OnePlus 9 is notably newer than the Xiaomi Redmi Note 4, it's just a bit thicker and somewhat heavier.
OnePlus 9 has a bit faster CPU than Xiaomi Redmi Note 4, and although they both have the same number of cores, the OnePlus 9 also has more RAM memory. The Xiaomi Redmi Note 4 features a little sharper screen than OnePlus 9, although it has a little worse pixels density, a bit worse 1080 x 1920 resolution and a bit smaller display.
The OnePlus 9 counts with a much better camera than Xiaomi Redmi Note 4, because it has a lot higher 7680x4320 video definition, a bigger aperture and a much higher resolution camera. The OnePlus 9 counts with a slightly bigger memory capacity to install games and applications than Xiaomi Redmi Note 4, because although it has no external memory slot, it also counts with 128 GB internal storage capacity.
The OnePlus 9 features just a bit better battery life than Xiaomi Redmi Note 4, because it has 4500mAh of battery capacity against 4100mAh.
Although OnePlus 9 is a better device, it is way more expensive than the Xiaomi Redmi Note 4, and it doesn't have such a good quality/price relation as Xiaomi Redmi Note 4. So if you want that extra features and specs, you can buy OnePlus 9, otherwise you can save some dollars and get the Xiaomi Redmi Note 4, letting go some features and specifications.
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