Compare phones
| Global Score | |
| 72.2 | 91.8 |
| Basic Information | |
| Motorola | Samsung |
| Android 11, 10 | Android 11 |
| 2020-06-12 | 2021-01-29 |
| 6.37 x 2.98 x 0.36 inches | 5.97 x 2.80 x 0.31 inches |
| 6.68 ounces | 6.03 ounces |
| Pearl white | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 200.00 | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 268 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 665 SM6125 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is much better than the Motorola Moto G Fast, with a score of 91.8 against 72.2. These devices have the same Android 11 OS (Operating System), so both should provide all the same operating system features. Even though Galaxy S21 and Motorola Moto G Fast were only released with a couple of months difference, Galaxy S21 is thinner and just a bit lighter.
Galaxy S21 features a lot better looking screen than Moto G Fast, because although it has a little smaller screen, it also counts with a lot higher 1080 x 2400 resolution and a much higher display pixel density. The Galaxy S21 features a bit faster CPU than Moto G Fast, and although they both have the same number of cores, the Galaxy S21 also has a larger amount of RAM.
The Samsung Galaxy S21 has a bit bigger storage capacity for apps and games than Moto G Fast, because although it has no SD extension slot, it also counts with more internal storage capacity. Samsung Galaxy S21's battery duration is very similar to Motorola Moto G Fast's battery duration. The Galaxy S21 takes just a bit better photographs and videos than Motorola Moto G Fast, because although it has a lot lower resolution camera and a tinier aperture, it also counts with a lot higher video resolution and a much larger camera sensor providing a lot higher image quality.
The Galaxy S21 costs a lot more than the Moto G Fast, but it's still a great deal, as you can get a lot more for that extra money.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.