Compare phones
| Global Score | |
| 81.3 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11 |
| 2020-04-27 | 2021-01-29 |
| 6.27 x 2.88 x 0.34 inches | 6.50 x 2.98 x 0.35 inches |
| 6.53 ounces | 8.04 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Phantom black and Silver |
| Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 411 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 888 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.89 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 Ultra has an overall score of 98.1, which is much better than Samsung Galaxy A31's global score of 81.3. These devices work with Android OS (Operating System), but the Galaxy S21 Ultra has a newer 11 version while Samsung Galaxy A31 has Android 10 version, so it gives a couple nice extra features and some performance improvements. The Galaxy S21 Ultra construction is newer, but somewhat heavier and just a little bit thicker than the Samsung Galaxy A31.
Samsung Galaxy S21 Ultra features a little better performance than Samsung Galaxy A31, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has 8 GB more RAM. The Samsung Galaxy S21 Ultra has a much more vibrant display than Galaxy A31, because it has a little bit larger display, a higher 1440 x 3200 resolution and a better amount of pixels per inch of screen.
Galaxy S21 Ultra counts with a lot better camera than Galaxy A31, because it has a way better video resolution, a lot bigger camera sensor taking lot better quality videos and pictures, a bigger diafragm aperture and a back camera with a way better 108 mega-pixels resolution. The Galaxy A31 has more storage for apps and games than Galaxy S21 Ultra, because although it has less internal memory capacity, it also counts with a slot for SD memory cards that allows a maximum of 512 GB.
The Galaxy S21 Ultra features a battery duration that is just as good as Galaxy A31's battery life.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.