Compare phones
| Global Score | |
| 76.1 | 77.8 |
| Basic Information | |
| Samsung | Motorola |
| Android 10 | Android 11 |
| 2020-06-29 | 2021-12-20 |
| 6.61 x 3.02 x 0.32 inches | 6.71 x 3.01 x 0.36 inches |
| 6.81 ounces | 7.34 ounces |
| Black | Aqua Blue, Bright Silver and Indigo Blue |
| Plastic and Plastic | -- |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 387 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 480 SM4350 (8 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 619 GPU |
| 9.27 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 16.00 MP + 13.00 MP | 50.00 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 (240 fps) (Full HD) video resolution |
| 9.35 | 11.22 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
Moto G51 5G is a little bit better than the Galaxy A21, getting a 77.8 score against 76.1. Both of these phones include Android operating system, but the Moto G51 5G has a more recent 11 version and Galaxy A21 has Android 10 version. The Moto G51 5G is a newer device than Galaxy A21, but it is thicker and a little bit heavier.
The Samsung Galaxy A21 counts with a bit faster processor than Motorola Moto G51 5G, although it has a smaller amount of RAM memory, they both have 8 CPU cores. Moto G51 5G features a bit more vivid display than Galaxy A21, because it has a greater pixels density, a bit bigger screen and a much better 1080 x 2400 resolution.
The Moto G51 5G features a better memory to install applications and games than Galaxy A21, and although they both have a slot for external memory cards that admits up to 512 GB, the Moto G51 5G also has more internal storage. Moto G51 5G counts with superior battery performance than Galaxy A21, because it has a 5000mAh battery capacity.
Moto G51 5G has a very superior camera than Galaxy A21, and although they both have a F1.8 diafragm aperture and the same 1920x1080 (Full HD) video resolution, the Moto G51 5G also has higher 240 frames per second video frame rate and a way more megapixels back-facing camera.
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