Compare phones
| Global Score | |
| 81.9 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2017-08-11 | 2021-01-29 |
| 5.99 x 2.95 x 0.39 inches | 6.50 x 2.98 x 0.35 inches |
| 7.34 ounces | 8.04 ounces |
| Gold and Gray | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 245.00 | $ 966.00 |
| Display / Screen | |
| 5.8 inches | 6.8 inches |
| 2960 x 1440 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 568 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 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 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.79 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.1, EDR | 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 |
Comparison review
Samsung Galaxy S21 Ultra is better than Samsung Galaxy S8 Active, getting a global score of 98.1 against 81.9. Even though Samsung Galaxy S21 Ultra is just a little heavier than the Samsung Galaxy S8 Active, it's somewhat thinner and also newer. Samsung Galaxy S21 Ultra has a brighter screen than Galaxy S8 Active, because although it has a just a little worse screen pixels density, it also counts with a quite better resolution of 1440 x 3200 pixels and a bigger screen.
Samsung Galaxy S21 Ultra has a bit superior processor than Galaxy S8 Active, and although they both have a Octa-Core processor, the Samsung Galaxy S21 Ultra also has more RAM. The Samsung Galaxy S8 Active counts with a little bit more memory for applications and games than Samsung Galaxy S21 Ultra, because although it has less internal storage capacity, it also counts with a SD memory slot that admits up to 256 GB.
Galaxy S21 Ultra takes greater photographs and videos than Samsung Galaxy S8 Active, because although it has a smaller aperture which is not recommended for shooting images or video in low-light environments, it also counts with a lot bigger sensor shooting way higher quality photographs and videos, a much better video definition and a camera in the back with lot more mega-pixels.
Galaxy S21 Ultra features greater battery duration than Galaxy S8 Active, because it has a 25% bigger battery capacity.
Although Samsung Galaxy S21 Ultra is a better device, it costs a lot more money than the Galaxy S8 Active, and it doesn't have such a good price and quality relation as the Galaxy S8 Active. So if you want that extra features and specs, you can buy Samsung Galaxy S21 Ultra, else you can save some money and buy the Galaxy S8 Active, letting go some specs and features.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.