| Global Score | |
| 80.5 | 80.1 |
| Basic Information | |
| Nokia | Xiaomi |
| Android 11, 10 | Android 15 |
| 2020-09-23 | -- |
| 6.77 x 3.09 x 0.35 inches | -- |
| 8.01 ounces | -- |
| Polar night | -- |
| $ 449.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| IPS LCD | AMOLED |
| 387 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 5 |
| Performance | |
| Qualcomm Snapdragon 765G SM7250-AB chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 475, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 620 GPU | Adreno 830 GPU |
| 9.45 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 17.6 |
| Camera | |
| 64.00 MP + 24.00 MP | 200.00 MP + 32.00 MP |
| f/1.90 aperture | -- |
| 0.42 inches (1/2.4") sensor | -- |
| 3840 x 2160 (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 10.12 | 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, Dual SIM | Nano SIM |
| 10.7 | 7.6 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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 |
| FM Radio | -- |
Nokia 8.3 5G has an overall score of 80.5, which is a little bit better than the Xiaomi 15 Ultra (Rumored)'s 80.1 global score. These phones come with Android OS, but the Nokia 8.3 5G has 11 version and Xiaomi 15 Ultra (Rumored) has Android 15. Nokia 8.3 5G counts with an incredibly better looking display than Xiaomi 15 Ultra (Rumored), because it has a little bit bigger display.
Xiaomi 15 Ultra (Rumored) has a much greater memory capacity to store more apps and games than Nokia 8.3 5G, because although it has no slot for SD memory cards, it also counts with 512 GB internal memory capacity. Nokia 8.3 5G has a really superior performance than Xiaomi 15 Ultra (Rumored), although it has 8 GB lesser RAM, they both have a Octa-Core processor.
Xiaomi 15 Ultra (Rumored) shoots much clearer photos and videos than Nokia 8.3 5G, because it has a camera with a way better 200 megapixels resolution and a much higher 7680x4320 video resolution. The Xiaomi 15 Ultra (Rumored) features improved battery lifetime than Nokia 8.3 5G, because it has a 6000mAh battery size against 4500mAh.
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