Compare phones
| Global Score | |
| 77 | 76.1 |
| Basic Information | |
| Motorola | Samsung |
| Android 11 | Android 10 |
| 2021-12-06 | 2020-06-29 |
| 6.37 x 2.91 x 0.34 inches | 6.61 x 3.02 x 0.32 inches |
| 6.38 ounces | 6.81 ounces |
| Baby Blue and Mineral Grey | Black |
| -- | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 411 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| MediaTek Helio G85 MT6769Z (12 nm) chipset | Mediatek Helio P35 chipset |
| Cortex, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G52 MC2 GPU | PowerVR GE8320 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.02 | 9.84 |
| Camera | |
| 50.00 MP + 13.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.45 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Motorola Moto G31 is a little bit better than the Galaxy A21, getting a global score of 77 against 76.1. These phones have Android operating system, but the Motorola Moto G31 has a newer 11 version while Galaxy A21 has Android 10 version, so it provides a couple additional features. Even though the Motorola Moto G31 is just a bit thicker than the Galaxy A21, it's a bit lighter and also newer.
The Samsung Galaxy A21 counts with a bit superior processor than Moto G31, although it has a smaller amount of RAM, they both have a Octa-Core processor. The Motorola Moto G31 features a sharper screen than Galaxy A21, because although it has a little smaller screen, it also counts with way more pixels per inch of display and a lot better 1080 x 2400 resolution.
Moto G31 shoots much clearer videos and photos than Galaxy A21, and although they both have the same diafragm aperture, the same 1920x1080 (Full HD) video resolution and the same 30 frames per second video frame rate, the Moto G31 also has a much more mega-pixels back-facing camera. The Moto G31 counts with a much bigger storage capacity to install applications and games than Samsung Galaxy A21, because it has a slot for an SD memory card that holds a maximum of 1 TB and 32 GB more internal memory capacity.
The Moto G31 counts with superior battery lifetime than Samsung Galaxy A21, because it has a 5000mAh battery capacity instead of 4000mAh.
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