| Global Score | |
| 80.1 | 77.3 |
| Basic Information | |
| Xiaomi | Sony |
| Android 15 | Android 4.4.4 |
| -- | 2014-09-03 |
| -- | 5.85 x 2.89 x 0.35 inches |
| -- | 6.02 ounces |
| -- | Black and White |
| -- | Scratch-Resistant Glass |
| -- | $ 170.00 |
| Display / Screen | |
| 6.7 inches | 5.2 inches |
| -- | 1080 x 1920 pixels (Full HD) |
| AMOLED | IPS LCD |
| -- | 424 pixels per inch |
| 3000 cd/m2 brightness | 592 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 5 | 9.6 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 16 GB RAM | 3 GB (933 MHz) RAM |
| Adreno 830 GPU | Adreno 330 (450 MHz) GPU |
| 6.3 | 9.45 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 17.6 | 8.12 |
| Camera | |
| 200.00 MP + 32.00 MP | 20.70 MP + 2.20 MP |
| -- | f/2.00 aperture |
| -- | 25.00mm focal length |
| -- | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.87 | 10.34 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 7.6 | 7 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 3200mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| -- | 920 hours standby time 21 hours talk time |
| 7.52 | 5.2 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | -- |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Xiaomi 15 Ultra (Rumored) is a little bit better than the Xperia Z3, with an 80.1 score against 77.3. Xiaomi 15 Ultra (Rumored)'s body is much thinner and notably lighter than Xperia Z3. Both of these phones come with Android operating system, but the Xiaomi 15 Ultra (Rumored) has 15 version and Xperia Z3 has Android 4.4.4 version.
The Xperia Z3 counts with a much more vibrant display than Xiaomi 15 Ultra (Rumored), although it has a way smaller screen and way darker display. Sony Xperia Z3 has an extremely better CPU than Xiaomi 15 Ultra (Rumored), because although it has a lower amount of RAM memory and less cores , it also counts with an additional graphics processor.
The Xiaomi 15 Ultra (Rumored) has a very superior memory capacity to store more games and applications than Xperia Z3, because although it has no SD memory card expansion slot, it also counts with 512 GB internal storage. Xiaomi 15 Ultra (Rumored) has a really longer battery duration than Sony Xperia Z3, because it has a 6000mAh battery capacity against 3200mAh.
Xiaomi 15 Ultra (Rumored) counts with a much better camera than Xperia Z3, because it has a lot more mega-pixels back camera and a way better 7680x4320 video definition.
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