Compare phones
| Global Score | |
| 78.6 | 85.5 |
| Basic Information | |
| Motorola | Samsung |
| Android 10 | Android 11, 10 |
| 2020-12-05 | 2019-12-27 |
| 6.78 x 3.02 x 0.38 inches | 6.24 x 2.90 x 0.31 inches |
| 7.80 ounces | 6.07 ounces |
| Electric violet and Metallic sage | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 1640 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 263 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 610 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.89 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A51 has a general score of 85.5, which is just a bit better than Motorola Moto G9 Power's overall score of 78.6. Both devices in this review use Android OS, but Galaxy A51 has a newer 11 version while Motorola Moto G9 Power has Android 10, providing a lot of extra features. Despite of the fact that Galaxy A51 is older than Motorola Moto G9 Power, it's body is lighter and somewhat thinner.
Galaxy A51 features a little faster processing unit than Moto G9 Power. Both have a Octa-Core processor and 4 GB of RAM. Galaxy A51 counts with a more vivid screen than Moto G9 Power, because although it has a quite smaller display, it also counts with a much greater count of pixels per inch of screen and a way higher resolution of 1080 x 2400 pixels.
The Galaxy A51 shoots a little bit better photographs and videos than Moto G9 Power, because although it has a back-facing camera with a lot lower resolution and a tinier aperture which is not recommended for shooting pictures or videos in low light environments, it also counts with a much better 3840x2160 video quality.
Motorola Moto G9 Power and Galaxy A51 both feature extremely similar storage for applications, games, photos and videos, both of them have exactly the same internal storage capacity and an external memory slot that admits a maximum of 512 GB. Moto G9 Power counts with a much longer battery life than Galaxy A51, because it has a 6000mAh battery size instead of 4000mAh.
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