Compare phones
| Global Score | |
| 88.3 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-03-08 | 2021-01-29 |
| 5.90 x 2.77 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 5.54 ounces | 8.04 ounces |
| Flamingo pink, Prism black, Prism blue, Prism green and Prism white | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 281.00 | $ 966.00 |
| Display / Screen | |
| 6.1 inches | 6.8 inches |
| 3040 x 1440 pixels | 3200 x 1440 pixels |
| Dynamic AMOLED | Dynamic AMOLED |
| 551 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 108.00 MP + 40.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.23 | 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 | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 | FM Radio |
Comparison review
Galaxy S21 Ultra is better than Galaxy S10, with a general score of 98.1 against 88.3. Both phones in our current comparison work with the same Android 11 operating system. The Galaxy S21 Ultra body is newer than Galaxy S10's, but it's somewhat thicker and incredibly heavier. Samsung Galaxy S21 Ultra features a little faster processor than Galaxy S10, and although they both have 8 processing cores, the Samsung Galaxy S21 Ultra also has more RAM memory.
The Galaxy S21 Ultra has a better display than Samsung Galaxy S10, because although it has a just a bit less pixels per inch in the display, it also counts with a little larger screen and a slightly higher resolution of 1440 x 3200. The Galaxy S10 counts with a superior storage for apps and games than Samsung Galaxy S21 Ultra, and although they both have equal 128 GB internal storage, the Galaxy S10 also has a slot for an SD memory card that supports a maximum of 512 GB.
Galaxy S21 Ultra features a very superior camera than Galaxy S10, because although it has a smaller diafragm aperture which is not recommended for taking photographs and/or video in low-light situations, it also counts with a way higher video definition, a way larger sensor providing a way better image quality and a way better 108 mega-pixels resolution camera in the back.
Samsung Galaxy S21 Ultra features a much longer battery life than Galaxy S10, because it has 5000mAh of battery capacity instead of 3400mAh.
Although Samsung Galaxy S21 Ultra is a better device, it costs a lot more than the Galaxy S10, and it doesn't have such a good relation between it's price and quality as the Galaxy S10. If you prefer to save some money, you can get Galaxy S10, and give up a few specs and features, but you'll get the most out of your budget.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.