Compare phones
| Global Score | |
| 76.1 | 79.6 |
| Basic Information | |
| Samsung | Sony |
| Android 10 | Android 9.0 Pie |
| 2020-06-29 | 2018-10-17 |
| 6.61 x 3.02 x 0.32 inches | 6.22 x 2.87 x 0.39 inches |
| 6.81 ounces | 6.81 ounces |
| Black | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 900.00 |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 1600 x 720 pixels | 2880 x 1440 pixels |
| IPS LCD | OLED |
| 270 pixels per inch | 537 pixels per inch |
| -- | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.2 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 16.00 MP + 13.00 MP | 19.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 25.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.35 | 10.45 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3330mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Sony Xperia XZ3 is a little bit better than the Galaxy A21, getting a 79.6 score against 76.1. Both of these phones work with Android OS (operating system), but Sony Xperia XZ3 has the newer 9.0 Pie version and Galaxy A21 has Android 10 version. The Sony Xperia XZ3 is a thicker cellphone than the Galaxy A21, but both of them weight 6.81oz.
Xperia XZ3 features a much sharper screen than Galaxy A21, because although it has a quite smaller screen, it also counts with a lot better screen pixels density and a much better resolution of 1440 x 2880 pixels. The Xperia XZ3 has a bigger memory capacity for applications and games than Galaxy A21, and although they both have an external memory slot that allows a maximum of 512 GB, the Xperia XZ3 also has 32 GB more internal memory capacity.
The Sony Xperia XZ3 counts with a bit better processor than Samsung Galaxy A21, and although they both have 8 processing cores, the Sony Xperia XZ3 also has 1 GB more RAM memory. Samsung Galaxy A21 counts with greater battery lifetime than Sony Xperia XZ3, because it has a 20% bigger battery size. The Xperia XZ3 shoots much better photographs and videos than Galaxy A21, because although it has a smaller aperture, it also counts with a lot larger back camera sensor providing a way better image quality, a lot better 3840x2160 (4K) video resolution and a higher resolution camera.
Although Xperia XZ3 is a better device, it costs a lot more than the Galaxy A21, and it doesn't have such a good price and quality relation as Galaxy A21. So if you need that extra specs, you can buy Xperia XZ3, else you can save some money and buy the Galaxy A21, giving up some features and specs.
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