Compare phones
| Global Score | |
| 84.1 | 79.8 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | -- |
| 2020-03-23 | 2017-06-01 |
| 6.26 x 2.96 x 0.35 inches | 6.14 x 3.03 x 0.31 inches |
| 6.63 ounces | 6.74 ounces |
| Midnight blue and Raven black | Black, Pink, Red and Silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.5 inches |
| 2340 x 1080 pixels | 3840 x 2160 pixels (4K) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 801 pixels per inch |
| 420 cd/m2 brightness | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 10.3 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 540 GPU |
| 9.27 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 10.78 |
| Camera | |
| 48.00 MP + 20.00 MP | 19.00 MP + 13.00 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 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.34 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3230mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.2 |
| 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
Samsung Galaxy M21 is slightly better than Xperia XZ Premium, with an 84.1 score against 79.8. Even though Samsung Galaxy M21 is thicker than the Xperia XZ Premium, it's just a bit lighter and notably newer. The Xperia XZ Premium has a little better performance than Galaxy M21. They have a Octa-Core processing unit and the same RAM amount.
The Sony Xperia XZ Premium counts with a lot better display than Galaxy M21, because although it has a little bit smaller screen, it also counts with a lot more pixels per inch in the display, a way higher 2160 x 3840 pixels resolution and way more brightness. The Galaxy M21 counts with a slightly bigger storage capacity to store more games and applications than Xperia XZ Premium, and although they both have equal 64 GB internal storage, the Galaxy M21 also has a slot for external memory cards that supports up to 512 GB.
The Galaxy M21 features a much longer battery lifetime than Xperia XZ Premium, because it has an 86 percent larger battery size. The Samsung Galaxy M21 features a better camera than Xperia XZ Premium, and although they both have a F2 aperture, the same video frame rate and the same 3840x2160 video definition, the Samsung Galaxy M21 also has a bigger back-facing camera sensor providing a better image quality and a back facing camera with much more mega pixels.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.