Compare phones
| Global Score | |
| 98.1 | 81.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | -- |
| 2021-01-29 | 2017-08-11 |
| 6.50 x 2.98 x 0.35 inches | 5.99 x 2.95 x 0.39 inches |
| 8.04 ounces | 7.34 ounces |
| Phantom black and Silver | Gold and Gray |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 245.00 |
| Display / Screen | |
| 6.8 inches | 5.8 inches |
| 3200 x 1440 pixels | 2960 x 1440 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 568 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.9 |
| 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 2350 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 540 GPU |
| 9.72 | 9.27 |
| 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 | |
| 108.00 MP + 40.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.39 inches (1/2.55") 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 (240 fps) (HD) slow motion video |
| 13.75 | 9.79 |
| 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) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1, EDR |
| 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 has a general score of 98.1, which is much better than the Galaxy S8 Active's score of 81.9. Samsung Galaxy S21 Ultra is a incredibly newer and somewhat thinner cellphone than the Galaxy S8 Active, but it is also just a little heavier. Galaxy S21 Ultra has a bit faster CPU than Samsung Galaxy S8 Active, and although they both have a Octa-Core processor, the Galaxy S21 Ultra also has a greater amount of RAM memory.
Galaxy S21 Ultra features a much better screen than Samsung Galaxy S8 Active, because although it has a just a little less pixels per screen inch, it also counts with a bigger display and a bit higher resolution of 1440 x 3200. The Galaxy S8 Active has just a bit bigger storage for applications, games, photos and videos than Galaxy S21 Ultra, because although it has less internal memory, it also counts with a SD card slot that holds a maximum of 256 GB.
The Samsung Galaxy S21 Ultra shoots way better videos and photos than Galaxy S8 Active, because although it has a smaller aperture which is not favorable for capturing photographs in low light situations, it also counts with a back facing camera with a way better resolution, a way larger camera sensor which provides a much better image and video quality and a lot higher video quality.
Samsung Galaxy S21 Ultra features better battery life than Galaxy S8 Active, because it has 5000mAh of battery capacity.
Although Galaxy S21 Ultra is a better device, it costs a lot more than the Galaxy S8 Active, and it doesn't have such a good relation between it's price and quality as the Galaxy S8 Active. If you are trying to save a few dollars, you can buy Galaxy S8 Active, letting go a couple features and specs, but you'll get the most out of your money.
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