Compare phones
| Global Score | |
| 79.1 | 84.1 |
| Basic Information | |
| Sony | Samsung |
| -- | Android 11, 10 |
| 2018-04-05 | 2020-03-23 |
| 6.02 x 2.83 x 0.44 inches | 6.26 x 2.96 x 0.35 inches |
| 6.98 ounces | 6.63 ounces |
| Black, Green, Pink and Silver | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| 700 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 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 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 11.74 |
| Camera | |
| 19.00 MP + 5.00 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 (60 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 |
| 10.67 | 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 | |
| 3180mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.2 | 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 has a score of 84.1, which is a bit better than the Xperia XZ2's 79.1 score. Galaxy M21 is a newer cellphone, and it's also way thinner and just a little bit lighter than Xperia XZ2. Xperia XZ2 features a little bit better performance than Galaxy M21. Both of them have a Octa-Core processor and a 4 GB RAM.
The Xperia XZ2 counts with a little more vivid screen than Galaxy M21, because although it has a little bit smaller screen and a quite lower 1080 x 2160 pixels resolution, it also counts with a little bit greater pixels density and much more brightness. Galaxy M21 captures a little bit better pictures and videos than Xperia XZ2, because although it has lower 30 fps video frame rates, and they both have the same (4K) video quality and a F2 aperture, the Galaxy M21 also counts with a camera with lot more megapixels and a larger back-facing camera sensor.
The Galaxy M21 features a little bit more memory for games and applications than Sony Xperia XZ2, and although they both have exactly the same 64 GB internal storage capacity, the Galaxy M21 also has an external memory slot that admits up to 512 GB. The Galaxy M21 features a much better battery performance than Sony Xperia XZ2, because it has a 6000mAh battery capacity instead of 3180mAh.
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