| Global Score | |
| 77.3 | 83.2 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4 | -- |
| 2014-09-03 | 2019-03-06 |
| 5.85 x 2.89 x 0.35 inches | 6.20 x 2.94 x 0.30 inches |
| 6.02 ounces | 6.10 ounces |
| Black and White | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| 592 cd/m2 brightness | 600 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.6 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 855 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB (933 MHz) RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 640 GPU |
| 9.45 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 20.70 MP + 2.20 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.34 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.3 |
| Battery Life | |
| 3200mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 5.28 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Xiaomi Mi 9 is a little bit better than the Xperia Z3, with an 83.2 score against 77.3. Xiaomi Mi 9's construction is a lot newer and thinner than Xperia Z3's, although it's also just a little heavier. Sony Xperia Z3 has a brighter display than Xiaomi Mi 9, because although it has less brightness, a little bit worse 1920 x 1080 resolution and a bit smaller screen, it also counts with a just a bit more pixels per inch of display.
The Xiaomi Mi 9 has a bit better processor than Sony Xperia Z3, because although it has doesn't have an extra graphics processor, it also counts with a greater number of cores (and also faster) and more RAM. The Xiaomi Mi 9 features a much bigger memory to install games and applications than Sony Xperia Z3, because although it has no slot for SD memory cards, it also counts with 128 GB internal memory.
Xiaomi Mi 9 features a superior camera than Sony Xperia Z3, and although they both have the same video quality, the Xiaomi Mi 9 also has a bigger diafragm aperture for better photography in low-light environments, faster 60 frames per second video frame rate, a back facing camera with way more megapixels and a larger back camera sensor shooting higher quality videos and photographs.
Xiaomi Mi 9 has just a little better battery duration than Xperia Z3, because it has a 3 percent greater battery capacity.
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