| Global Score | |
| 77.3 | 80.1 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4 | Android 15 |
| 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 | |
| 5.2 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | -- |
| IPS LCD | AMOLED |
| 424 pixels per inch | -- |
| 592 cd/m2 brightness | 3000 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.6 | 5 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | processor |
| 3 GB (933 MHz) RAM | 16 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 830 GPU |
| 9.45 | 6.3 |
| Storage | |
| 32 GB internal memory | 512 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 17.6 |
| Camera | |
| 20.70 MP + 2.20 MP | 200.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 25.00mm focal length | -- |
| 0.43 inches (1/2.3") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 10.34 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 7 | 7.6 |
| Battery Life | |
| 3200mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.4 |
| 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 |
The Xiaomi 15 Ultra (Rumored) has an overall score of 80.1, which is a bit better than the Xperia Z3's score of 77.3. Xiaomi 15 Ultra (Rumored) is a extremely thinner and way lighter phone than Xperia Z3. These phones work with Android operating system, but the Xiaomi 15 Ultra (Rumored) has the previous 15 version while Xperia Z3 has Android 4.4.4.
The Sony Xperia Z3 features a lot better screen than Xiaomi 15 Ultra (Rumored), although it has much less brightness and a way smaller display. Xiaomi 15 Ultra (Rumored) counts with a very superior memory capacity to install applications and games than Sony Xperia Z3, because although it has no slot for SD memory cards, it also counts with 480 GB more internal memory capacity.
Sony Xperia Z3 counts with a very superior processing power than Xiaomi 15 Ultra (Rumored), because although it has lesser processing cores and less RAM memory, it also counts with an extra graphics processing unit. The Xiaomi 15 Ultra (Rumored) shoots greater photographs and videos than Sony Xperia Z3, because it has a way better 7680x4320 video definition and a much higher resolution back facing camera.
Xiaomi 15 Ultra (Rumored) features a much longer battery lifetime than Xperia Z3, because it has 6000mAh of battery capacity.
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