Compare phones
| Global Score | |
| 91.8 | 82.2 |
| Basic Information | |
| Samsung | Sony |
| Android 11 | -- |
| 2021-01-29 | 2018-07-30 |
| 5.97 x 2.80 x 0.31 inches | 6.22 x 3.15 x 0.47 inches |
| 6.03 ounces | 8.32 ounces |
| Gray, Phantom pink, Violet and White | 16 777 216 |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 1000.00 |
| Display / Screen | |
| 6.2 inches | 5.8 inches |
| 2400 x 1080 pixels | 3840 x 2160 pixels (4K) |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 760 pixels per inch |
| 1300 cd/m2 brightness | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 10.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 630 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 10.1 | 11.34 |
| Camera | |
| 12.00 MP + 10.00 MP | 19.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.78 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3540mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy S21 has a general score of 91.8, which is much better than the Xperia XZ2 Premium's 82.2 global score. The Samsung Galaxy S21 is a noticeably newer cellphone, and it is also noticeably lighter and a lot thinner than Xperia XZ2 Premium. Xperia XZ2 Premium features a brighter display than Samsung Galaxy S21, because although it has way less brightness and a bit smaller screen, it also counts with a way better 2160 x 3840 pixels resolution and a lot better pixel density.
Sony Xperia XZ2 Premium counts with a better storage capacity to store more apps and games than Galaxy S21, because although it has less internal memory capacity, it also counts with a SD memory slot that admits a maximum of 400 GB. The Xperia XZ2 Premium's CPU is just as good as the processor in Galaxy S21, and although the Xperia XZ2 Premium has a lower amount of RAM, they both have the same number of cores.
The Samsung Galaxy S21 has a bit longer battery life than Xperia XZ2 Premium, because it has 4000mAh of battery capacity against 3540mAh. Samsung Galaxy S21 takes clearer videos and photos than Sony Xperia XZ2 Premium, because although it has a lot lower resolution camera, and they both have a same size aperture, the Samsung Galaxy S21 also counts with a way better video definition and a way bigger sensor taking more light and vivid colors.
Galaxy S21 not only is the best phones between the ones we are comparing, but it's also by far the cheapest one.
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