Compare phones
| Global Score | |
| 80.9 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 11 |
| -- | 2021-01-29 |
| 5.78 x 2.90 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| -- | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 245.00 | $ 966.00 |
| Display / Screen | |
| 5.1 inches | 6.8 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 576 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 9.8 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 888 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (1600 MHz) RAM | 12 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 660 GPU |
| 10.08 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD external memory slot | No SD card slot |
| 5.8 | 10.1 |
| Camera | |
| 16.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.47 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 3500mAh Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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 Ultra is way better than Galaxy S6 Active, getting a 98.1 score against 80.9. The Galaxy S21 Ultra is a notably heavier cellphone than the Galaxy S6 Active, but both of them have the same thickness. Both of these devices include Android OS, but Galaxy S21 Ultra has a more recent 11 version while Galaxy S6 Active has Android 5.0 version.
The Galaxy S6 Active features a bit better performance than Galaxy S21 Ultra, because although it has lesser RAM, and they both have 8 cores, the Galaxy S6 Active also counts with a 64-bits CPU and an extra graphics co-processor. Galaxy S6 Active has a little bit better looking display than Galaxy S21 Ultra, because although it has a quite lower resolution of 2560 x 1440 pixels and a lot smaller screen, it also counts with a just a little more pixels per inch in the display.
The Samsung Galaxy S21 Ultra shoots way better pictures and videos than Galaxy S6 Active, because it has a lot better video definition, a bigger aperture to capture better photos in low-light environments, a much bigger camera sensor providing a much better image quality and a camera in the back with much more mega pixels.
The Galaxy S21 Ultra counts with a lot bigger storage for applications and games than Galaxy S6 Active, because although it has no slot for SD memory cards, it also counts with 96 GB more internal storage capacity. Galaxy S21 Ultra has a much longer battery performance than Samsung Galaxy S6 Active, because it has 5000mAh of battery capacity.
Although Galaxy S21 Ultra is a better device, it is a lot more expensive than Galaxy S6 Active, and it doesn't have such a good price and quality relation as Galaxy S6 Active. So if you need that extra specs, you can buy the Galaxy S21 Ultra, otherwise you can save a couple dollars and buy the Galaxy S6 Active, letting go some features and specs.
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