| Global Score | |
| 76.6 | 77.3 |
| Basic Information | |
| Xiaomi | Sony |
| Android 10 | Android 4.4.4 |
| 2020-05-20 | 2014-09-03 |
| 6.39 x 3.04 x 0.35 inches | 5.85 x 2.89 x 0.35 inches |
| 7.02 ounces | 6.02 ounces |
| Forest green, Midnight gray and Polar white | Black and White |
| Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | $ 170.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 396 pixels per inch | 424 pixels per inch |
| -- | 592 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8 | 9.6 |
| Performance | |
| MediaTek Helio G85 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 3 GB RAM | 3 GB (933 MHz) RAM |
| Mali G52 MC2 GPU | Adreno 330 (450 MHz) GPU |
| 9.09 | 9.45 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 10.02 | 8.12 |
| Camera | |
| 48.00 MP + 13.00 MP | 20.70 MP + 2.20 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11 | 10.34 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 3200mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| -- | 920 hours standby time 21 hours talk time |
| 6.8 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Sony Xperia Z3 is slightly better than Xiaomi Redmi Note 9, having a global score of 77.3 against 76.6. Both devices in our current comparison have Android OS, but the Sony Xperia Z3 has the newer 4.4.4 version while Xiaomi Redmi Note 9 has Android 10, providing you some extra features. Sony Xperia Z3's design has the same thickness than Xiaomi Redmi Note 9, but it's somewhat lighter.
Sony Xperia Z3 counts with a much sharper display than Xiaomi Redmi Note 9, because although it has a lot smaller display and a little bit worse 1920 x 1080 resolution, it also counts with a just a bit better pixel quantity in each inch in the screen. The Sony Xperia Z3 has a little bit better hardware performance than Xiaomi Redmi Note 9, because although it has an inferior number of cores , and they both have a 3 GB RAM, the Sony Xperia Z3 also counts with an extra graphics processor.
The Xiaomi Redmi Note 9 shoots clearer photos and videos than Xperia Z3, and although they both have the same 1920x1080 video definition and the same 30 fps video frame rate, the Xiaomi Redmi Note 9 also has a bigger sensor taking better quality pictures, a camera in the back with way more MP and a bigger aperture to take better low-light images.
The Xiaomi Redmi Note 9 features a way bigger memory to store more apps and games than Sony Xperia Z3, and although they both have a SD memory card expansion slot that supports up to 128 GB, the Xiaomi Redmi Note 9 also has more internal memory capacity. Xiaomi Redmi Note 9 counts with a way better battery performance than Sony Xperia Z3, because it has a 5020mAh battery size instead of 3200mAh.
The Xperia Z3 is not only the best phones of the ones we compare here, but it's also very cheap compared to the other ones.
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