Compare phones
| Global Score | |
| 85.5 | 77.2 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 11, 10 |
| 2019-12-27 | 2021-06-17 |
| 6.24 x 2.90 x 0.31 inches | 6.69 x 3.08 x 0.43 inches |
| 6.07 ounces | 8.18 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black and Forged Green |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 610 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (60 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 11.22 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy A51 is much better than Motorola Defy (2021), with an 85.5 score against 77.2. These phones work with the same Android 11 operating system, so you shouldn't notice any difference regarding OS features. Samsung Galaxy A51 is an older phone than the Motorola Defy (2021), but it's extremely thinner and extremely lighter anyway.
The Galaxy A51 counts with just a little better performance than Motorola Defy (2021). Both have a 4 GB RAM and a Octa-Core processor. The Galaxy A51 features a better looking display than Motorola Defy (2021), and although they both have a display with the same size, the Galaxy A51 also has a greater amount of pixels per inch in the display and a much better 1080 x 2400 resolution.
The Samsung Galaxy A51 has a much greater storage capacity to install applications and games or saving photos and videos than Motorola Defy (2021), and although they both have a SD card slot that admits a maximum of 512 GB, the Samsung Galaxy A51 also has more internal memory capacity. The Motorola Defy (2021) has superior battery duration than Galaxy A51, because it has 5000mAh of battery capacity against 4000mAh.
Galaxy A51 takes a bit better pictures and videos than Motorola Defy (2021), because although it has a smaller back-facing camera sensor which offers a lower image and video quality and a smaller camera aperture which is not nice for low light captures and videos, and they both have a back-facing camera with a 48 megapixels resolution, the Galaxy A51 also counts with a much higher 3840x2160 video definition.
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