Compare phones
| Global Score | |
| 79.6 | 76.7 |
| Basic Information | |
| Sony | Xiaomi |
| Android 9.0 Pie | Android 11 |
| 2018-10-17 | 2021-05-27 |
| 6.22 x 2.87 x 0.39 inches | 6.23 x 2.96 x 0.33 inches |
| 6.81 ounces | 6.70 ounces |
| 16 777 216 | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 900.00 | -- |
| Display / Screen | |
| 6 inches | 6.3 inches |
| 2880 x 1440 pixels | 2340 x 1080 pixels |
| OLED | IPS LCD |
| 537 pixels per inch | 409 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali G52 MC2 GPU |
| 9.54 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.74 | 10.02 |
| Camera | |
| 19.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | -- |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.45 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 3330mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Sony Xperia XZ3 has a global score of 79.6, which is a bit better than the Xiaomi Redmi Note 8 2021's 76.7 overall score. Despite being the best in this review, we must note that it is also a notably older, a little bit heavier and somewhat thicker phone. These phones have Android OS, but the Sony Xperia XZ3 has the newer 9.0 Pie version and Xiaomi Redmi Note 8 2021 has Android 11 version.
The Sony Xperia XZ3 has a bit more powerful processor than Xiaomi Redmi Note 8 2021. Both of them have the same RAM amount and 8 cpu cores. Xperia XZ3 features a more vivid display than Xiaomi Redmi Note 8 2021, because although it has a little bit smaller display, it also counts with more pixels per screen inch and a better 1440 x 2880 resolution.
The Xiaomi Redmi Note 8 2021 has a slightly better camera than Xperia XZ3, and although they both have the same video definition and the same video frame rates, the Xiaomi Redmi Note 8 2021 also has a larger back camera sensor providing a better image quality, a larger aperture for better low-light photos and video and a camera with a much better resolution.
The Xperia XZ3 has a quite bigger memory for applications, games, photos and videos than Xiaomi Redmi Note 8 2021, and although they both have the same internal memory capacity, the Xperia XZ3 also has an external SD slot that admits up to 512 GB. The Xiaomi Redmi Note 8 2021 counts with improved battery performance than Xperia XZ3, because it has 4000mAh of battery capacity.
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