Compare phones
| Global Score | |
| 76 | 80.1 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 15 |
| 2021-04-02 | -- |
| 6.30 x 2.92 x 0.34 inches | -- |
| 6.77 ounces | -- |
| Arctic Sky, Astral Black and Winter Mist | -- |
| Aluminum and Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | -- |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| AMOLED | AMOLED |
| 405 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 5 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 48.00 MP + 16.00 MP | 200.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 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 |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 12.65 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 7.6 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 15 Ultra (Rumored) is slightly better than OnePlus 9, having an 80.1 score against 76. These phones include Android OS (Operating System), but the Xiaomi 15 Ultra (Rumored) has a newer 15 version and OnePlus 9 has Android 11 version. The Xiaomi 15 Ultra (Rumored) is a way thinner and noticeably lighter cellphone than OnePlus 9.
The OnePlus 9 counts with a much better looking display than Xiaomi 15 Ultra (Rumored), although it has a little smaller screen. Xiaomi 15 Ultra (Rumored) counts with a much better storage to store more games and applications than OnePlus 9, because it has more internal storage. The OnePlus 9 has a much better hardware performance than Xiaomi 15 Ultra (Rumored), although it has lesser RAM, they both have the same number of cores.
Xiaomi 15 Ultra (Rumored) has better battery lifetime than OnePlus 9, because it has a 6000mAh battery capacity. The Xiaomi 15 Ultra (Rumored) shoots a bit better pictures and videos than OnePlus 9, and although they both have the same 7680x4320 video definition and the same 30 fps video frame rates, the Xiaomi 15 Ultra (Rumored) also has a way more mega-pixels back facing camera.
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