Compare phones
| Global Score | |
| 84.1 | 82.2 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | -- |
| 2020-03-23 | 2018-07-30 |
| 6.26 x 2.96 x 0.35 inches | 6.22 x 3.15 x 0.47 inches |
| 6.63 ounces | 8.32 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 1000.00 |
| Display / Screen | |
| 6.4 inches | 5.8 inches |
| 2340 x 1080 pixels | 3840 x 2160 pixels (4K) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 760 pixels per inch |
| 420 cd/m2 brightness | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 10.4 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 11.74 | 11.34 |
| Camera | |
| 48.00 MP + 20.00 MP | 19.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3540mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 has a global score of 84.1, which is a bit better than the Xperia XZ2 Premium's 82.2 overall score. The Galaxy M21 body is newer, notably thinner and lighter than the Xperia XZ2 Premium. Sony Xperia XZ2 Premium has a bit more powerful processor than Samsung Galaxy M21, and although they both have the same number of cores, the Sony Xperia XZ2 Premium also has a larger amount of RAM memory.
Xperia XZ2 Premium has a much sharper screen than Galaxy M21, because although it has a quite smaller display, it also counts with a much higher resolution of 2160 x 3840 pixels, a really brighter display and a much greater pixel quantity per display inch. Galaxy M21 features a bit more memory to install applications and games or saving photos and videos than Sony Xperia XZ2 Premium, and although they both have equal internal memory, the Galaxy M21 also has an external SD slot that admits up to 512 GB.
Samsung Galaxy M21 features a superior camera than Sony Xperia XZ2 Premium, because although it has a smaller diafragm aperture, and they both have the same (4K) video definition and the same video frame rate, the Samsung Galaxy M21 also counts with a back camera with much more mega-pixels and a larger back-facing camera sensor taking better quality videos and photos.
The Galaxy M21 features a way better battery duration than Xperia XZ2 Premium, because it has a 69% more battery capacity.
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