Compare phones
| Global Score | |
| 91.8 | 79.8 |
| Basic Information | |
| Samsung | Sony |
| Android 11 | -- |
| 2021-01-29 | 2017-06-01 |
| 5.97 x 2.80 x 0.31 inches | 6.14 x 3.03 x 0.31 inches |
| 6.03 ounces | 6.74 ounces |
| Gray, Phantom pink, Violet and White | Black, Pink, Red and Silver |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 5.5 inches |
| 2400 x 1080 pixels | 3840 x 2160 pixels (4K) |
| Dynamic AMOLED | IPS LCD |
| 424 pixels per inch | 801 pixels per inch |
| 1300 cd/m2 brightness | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 10.3 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.63 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 10.78 |
| Camera | |
| 12.00 MP + 10.00 MP | 19.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 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 | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 10.34 |
| 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3230mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.2 |
| 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
Galaxy S21 is better than Xperia XZ Premium, getting a 91.8 score against 79.8. The Galaxy S21 is a lighter phone than Xperia XZ Premium, but they have the same thickness. Samsung Galaxy S21 counts with just a bit better processing power than Xperia XZ Premium, and although they both have the same number of cores, the Samsung Galaxy S21 also has 4 GB more RAM.
Xperia XZ Premium has a more vivid display than Samsung Galaxy S21, because although it has a bit smaller screen and way less brightness, it also counts with a lot higher resolution of 2160 x 3840px and a much greater pixels number per display inch. Xperia XZ Premium features just a bit bigger memory capacity for apps and games than Samsung Galaxy S21, because although it has less internal storage, it also counts with an external memory slot that supports up to 256 GB.
The Galaxy S21 has better battery lifetime than Sony Xperia XZ Premium, because it has 4000mAh of battery capacity against 3230mAh. Galaxy S21 features just a bit better camera than Sony Xperia XZ Premium, because although it has a back-facing camera with way less megapixels resolution, it also counts with a much better video definition, a larger diafragm aperture and a way larger sensor which gives a way better photo and video quality.
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