Compare phones
| Global Score | |
| 79.6 | 84.1 |
| Basic Information | |
| Sony | Samsung |
| Android 9.0 Pie | Android 11, 10 |
| 2018-10-17 | 2020-03-23 |
| 6.22 x 2.87 x 0.39 inches | 6.26 x 2.96 x 0.35 inches |
| 6.81 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 900.00 | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2880 x 1440 pixels | 2340 x 1080 pixels |
| OLED | Super AMOLED |
| 537 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.54 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 19.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 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 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.45 | 11.55 |
| 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 HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3330mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 is a bit better than Sony Xperia XZ3, with an 84.1 score against 79.6. Galaxy M21 is a newer cellphone, and it is also somewhat thinner and a little lighter than the Sony Xperia XZ3. These phones have Android OS (Operating System), but the Galaxy M21 has older 11 version and Sony Xperia XZ3 has Android 9.0 Pie.
Xperia XZ3 counts with a little more vivid display than Samsung Galaxy M21, because although it has a quite smaller display, it also counts with a better display pixel density, a brighter screen and a higher 1440 x 2880 resolution. Xperia XZ3 features a little faster CPU than Samsung Galaxy M21. They have the same number of cores and 4 GB of RAM memory.
The Samsung Galaxy M21 and Sony Xperia XZ3 have really similar storage capacity for applications and games, both have a slot for an external memory card that allows a maximum of 512 GB and equal 64 GB internal memory capacity. Samsung Galaxy M21 has a superior battery performance than Sony Xperia XZ3, because it has 6000mAh of battery capacity.
Galaxy M21 takes much clearer pictures and videos than Xperia XZ3, and although they both have a same size camera aperture, the same (4K) video quality and the same 30 frames per second video frame rates, the Galaxy M21 also has a lot more megapixels camera in the back and a bigger camera sensor.
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