Compare phones
| Global Score | |
| 85.5 | 78.5 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | -- |
| 2019-12-27 | 2019-08-16 |
| 6.24 x 2.90 x 0.31 inches | 6.30 x 2.80 x 0.36 inches |
| 6.07 ounces | 6.21 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Denim blue and Pearl white |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 282.00 | $ 304.00 |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 2400 x 1080 pixels | 2520 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 435 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 7 Octa 9609 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 12.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 13.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.57 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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
Galaxy A51 has a global score of 85.5, which is a little bit better than Motorola One Action's 78.5 global score. The Galaxy A51 is a thinner and just a little lighter phone than Motorola One Action, although both were released only 4 months apart. The Motorola One Action has a slightly better display than Galaxy A51, because although it has a little bit smaller screen, it also counts with a slightly higher resolution of 1080 x 2520 pixels and a little bit higher pixels amount in each inch of screen.
The Motorola One Action features just a bit more memory to install applications and games than Samsung Galaxy A51, and although they both have exactly the same internal memory, the Motorola One Action also has a SD memory card expansion slot that admits a maximum of 1000 GB. The Galaxy A51 counts with a little better hardware performance than Motorola One Action. Both of them have a Octa-Core processing unit and the same RAM amount.
The Samsung Galaxy A51 counts with a little better battery life than Motorola One Action, because it has a 14% greater battery capacity. Galaxy A51 takes a lot better pictures and videos than Motorola One Action, because although it has a smaller aperture, and they both have the same 3840x2160 (4K) video definition and the same video frame rate, the Galaxy A51 also counts with a back camera with lot more mega-pixels.
Despite of being the best phone of the ones we are comparing here, the Galaxy A51 is also cheaper, which makes this phone an easy choice.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.