Compare phones
| Global Score | |
| 11.67 | 9.06 |
| Basic Information | |
| Samsung | Motorola |
| Android 11 | Android 11, 10 |
| 2021-01-29 | 2020-06-12 |
| 6.50 x 2.98 x 0.35 inches | 6.37 x 2.98 x 0.36 inches |
| 8.04 ounces | 6.68 ounces |
| Phantom black and Silver | Pearl white |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 966.00 | $ 200.00 |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 1560 x 720 pixels |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 268 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 665 SM6125 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Adreno 610 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 108.00 MP + 40.00 MP | 16.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.36 inches (1/2.8") 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 13.75 | 10.01 |
| 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 and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.88 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| 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 | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is much better than the Motorola Moto G Fast, having a 11.67 score against 9.06. Even though Samsung Galaxy S21 Ultra and the Motorola Moto G Fast were released only a couple months apart, Samsung Galaxy S21 Ultra's design is just a little bit thinner but somewhat heavier. Both devices in our current comparison use the same Android 11 OS.
The Samsung Galaxy S21 Ultra features just a bit better processing power than Motorola Moto G Fast, and although they both have 8 CPU cores, the Samsung Galaxy S21 Ultra also has more RAM. The Galaxy S21 Ultra counts with a much better display than Moto G Fast, because it has a little bit bigger screen, a much better resolution of 1440 x 3200 and a much higher pixel density.
Galaxy S21 Ultra counts with just a bit bigger storage for games and applications than Moto G Fast, because although it has no slot for external memory cards, it also counts with more internal storage capacity. Galaxy S21 Ultra counts with a greater camera than Moto G Fast, because although it has a smaller aperture, it also counts with a lot larger back-facing camera sensor capturing way better quality photos and videos, a much higher video definition and a way higher 108 mega-pixels resolution back camera.
Samsung Galaxy S21 Ultra has a little longer battery lifetime than Moto G Fast, because it has a 25 percent more battery capacity.
Although Galaxy S21 Ultra is a better device, it costs a lot more money than Moto G Fast, and it doesn't have such a good quality/price relation as Moto G Fast. If you want to save some money, you can get Moto G Fast, giving up a few features and specs, but you will get the most out of your savings.