| Global Score | |
| 98.1 | 76.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 4.4.4 |
| 2021-01-29 | -- |
| 6.50 x 2.98 x 0.35 inches | 5.21 x 2.58 x 0.26 inches |
| 8.04 ounces | 4.06 ounces |
| Phantom black and Silver | Black, Blue, Gold, Gray and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 320.00 |
| Display / Screen | |
| 6.8 inches | 4.7 inches |
| 3200 x 1440 pixels | 720 x 1280 pixels (HD) |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 312 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 9.8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 801 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 12 GB RAM | 2 GB (933 MHz) RAM |
| Adreno 660 GPU | Adreno 330 (450 MHz) GPU |
| 9.72 | 9.36 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 5.8 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 2.10 MP |
| f/1.80 aperture | f/2.20 aperture |
| 24.00mm focal length | 31.00mm focal length |
| 0.75 inches (1/1.33") 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 (120 fps) (HD) slow motion video |
| 13.75 | 9.46 |
| 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), HSDPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 10.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 1860mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| Wireless Charging | -- |
| -- | 11 hours talk time |
| 6.8 | 3.76 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Samsung Galaxy S21 Ultra has a global score of 98.1, which is way better than the Galaxy Alpha's global score of 76.3. Samsung Galaxy S21 Ultra's design is notably thicker and much heavier than the Galaxy Alpha. Both phones in this comparison work with Android operating system, but the Samsung Galaxy S21 Ultra has the older 11 version and Galaxy Alpha has Android 4.4.4.
The Samsung Galaxy S21 Ultra features a bit better performance than Galaxy Alpha, because although it has doesn't have a graphics processing unit, it also counts with a larger number of cores (and also faster) and 10 GB more RAM. Samsung Galaxy S21 Ultra features a more vivid display than Galaxy Alpha, because it has a much higher quantity of pixels per inch of screen, a much larger display and a much higher resolution of 1440 x 3200 pixels.
The Samsung Galaxy S21 Ultra counts with a greater camera than Samsung Galaxy Alpha, because it has a camera with way more megapixels, a larger camera aperture to capture better low-light images and video and a lot higher 7680x4320 video quality. The Samsung Galaxy S21 Ultra counts with a superior memory capacity for apps and games than Samsung Galaxy Alpha, because it has 128 GB internal memory capacity.
Galaxy S21 Ultra features a really longer battery life than Galaxy Alpha, because it has 5000mAh of battery capacity.
Galaxy S21 Ultra costs a lot more money than the Galaxy Alpha, but it's still a good choice, because you can get a better phone for that extra money.
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