Compare phones
| Global Score | |
| 80.6 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 14 | Android 11 |
| 2024-10-29 | 2021-04-02 |
| 6.00 x 2.80 x 0.32 inches | 6.30 x 2.92 x 0.34 inches |
| 6.67 ounces | 6.77 ounces |
| -- | Arctic Sky, Astral Black and Winter Mist |
| Glass | Aluminum and Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2670 x 1200 pixels | 2400 x 1080 pixels |
| OLED | AMOLED |
| 457 pixels per inch | 405 pixels per inch |
| 3200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8.2 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.60 aperture | f/1.80 aperture |
| 23.00mm focal length | 23.00mm focal length |
| -- | 0.71 inches (1/1.4") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 5400mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.12 | 6.32 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass and Gyroscope | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 15 is slightly better than the OnePlus 9, with an 80.6 score against 76. The Xiaomi 15 is a notably newer device, and it is also a bit thinner and just a little bit lighter than OnePlus 9. Both phones in this review come with Android OS (operating system), but Xiaomi 15 has the newer 14 version while OnePlus 9 has Android 11 version, so it gives you a lot of extra features and performance improvements.
The OnePlus 9 counts with an extremely better processing unit than Xiaomi 15, although it has less RAM memory, they both have 8 cpu cores. Xiaomi 15 counts with a lot better screen than OnePlus 9, because although it has a quite smaller display, it also counts with a quite better resolution of 1200 x 2670 and a just a bit greater screen density.
Xiaomi 15 features a much better storage to install applications and games than OnePlus 9, because it has 256 GB internal memory. Xiaomi 15 has improved battery lifetime than OnePlus 9, because it has a 5400mAh battery capacity instead of 4500mAh. The OnePlus 9 features a slightly better camera than Xiaomi 15, although it has a lower 7680x4320 video resolution, a camera with less MP and a tinier aperture which is not favorable for taking photographs and videos in poorly lited environments.
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