Compare phones
| Global Score | |
| 84.1 | 79 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 8.0 Oreo |
| 2020-03-23 | 2018-04-05 |
| 6.26 x 2.96 x 0.35 inches | 5.31 x 2.56 x 0.48 inches |
| 6.63 ounces | 5.93 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 483 pixels per inch |
| 420 cd/m2 brightness | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.1 |
| 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 | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| 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 + 5.00 MP |
| f/2.00 aperture | f/2.00 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 (60 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 | 10.67 |
| 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 | 2870mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.88 |
| 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
The Galaxy M21 has a global score of 84.1, which is just a bit better than the Xperia XZ2 Compact's 79 global score. Even though the Galaxy M21 is somewhat heavier than Xperia XZ2 Compact, it's extremely thinner and also newer. Both of these phones have Android operating system, but the Galaxy M21 has the older 11 version and Xperia XZ2 Compact has Android 8.0 Oreo version.
Sony Xperia XZ2 Compact counts with a little bit better looking screen than Galaxy M21, because although it has a little bit worse 1080 x 2160 resolution and a way smaller screen, it also counts with a really brighter screen and a little bit higher amount of pixels per display inch. The Galaxy M21 counts with just a bit bigger storage capacity to install games and applications than Xperia XZ2 Compact, and although they both have the same internal memory, the Galaxy M21 also has a SD extension slot that supports a maximum of 512 GB.
The Sony Xperia XZ2 Compact features a bit faster processor than Galaxy M21. Both have 8 cpu cores and a 4 GB RAM memory. The Galaxy M21 has a superior battery performance than Xperia XZ2 Compact, because it has a 109% bigger battery capacity. The Galaxy M21 takes a little bit better photos and videos than Sony Xperia XZ2 Compact, because although it has slower video frame rate, and they both have the same 3840x2160 video resolution and a same size diafragm aperture, the Galaxy M21 also counts with a camera with way more mega-pixels and a bigger sensor capturing more light and vivid colors.
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