| Global Score | |
| 77.3 | 83.3 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2014-09-03 | 2018-06-05 |
| 5.85 x 2.89 x 0.35 inches | 6.10 x 2.94 x 0.30 inches |
| 6.02 ounces | 6.17 ounces |
| Black and White | Black, Blue, Gold and White |
| -- | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.2 inches |
| 1080 x 1920 pixels (Full HD) | 2248 x 1080 pixels |
| IPS LCD | AMOLED |
| 424 pixels per inch | 402 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 845 SDM845 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB (933 MHz) RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 630 GPU |
| 9.45 | 9.63 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 13.3 |
| Camera | |
| 20.70 MP + 2.20 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | 56.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.34 | 9.9 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Battery | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 5.36 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Xiaomi Mi 8 has a global score of 83.3, which is a bit better than Xperia Z3's 77.3 global score. Both of these phones come with Android operating system, but Xiaomi Mi 8 has older 10 version and Xperia Z3 has Android 4.4.4. Even though the Xiaomi Mi 8 is just a little heavier than the Xperia Z3, it's somewhat thinner and also a lot newer.
The Sony Xperia Z3 has a better screen than Xiaomi Mi 8, because although it has a quite smaller screen, less bright display and a bit lower resolution of 1920 x 1080 pixels, it also counts with a just a little better pixel number in each inch of screen. Xiaomi Mi 8 features a bit superior processor than Xperia Z3, because although it has doesn't have an extra graphics co-processor, it also counts with a higher number of cores and 3 GB more RAM.
The Xiaomi Mi 8 has a very superior memory for applications and games than Sony Xperia Z3, because although it has no SD memory card expansion slot, it also counts with 224 GB more internal memory capacity. Sony Xperia Z3 features just a bit better camera than Xiaomi Mi 8, because although it has a tinier diafragm aperture, and they both have the same video frame rate and the same video quality, the Sony Xperia Z3 also counts with a larger back-facing camera sensor and a lot higher resolution camera in the back.
The Xiaomi Mi 8 features a bit superior battery life than Xperia Z3, because it has 3400mAh of battery capacity instead of 3200mAh.
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