Compare phones
| Global Score | |
| 77.2 | 85.5 |
| Basic Information | |
| Motorola | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2021-06-17 | 2019-12-27 |
| 6.69 x 3.08 x 0.43 inches | 6.24 x 2.90 x 0.31 inches |
| 8.18 ounces | 6.07 ounces |
| Black and Forged Green | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 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 | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 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 |
| 11.22 | 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 | |
| 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, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 is much better than Motorola Defy (2021), getting a overall score of 85.5 against 77.2. Both of these devices work with the same Android 11 OS. Even though the Samsung Galaxy A51 is older than the Motorola Defy (2021), it's design is noticeably lighter and thinner. Galaxy A51 has just a bit better processing power than Motorola Defy (2021). Both have the same RAM amount and a Octa-Core CPU.
The Samsung Galaxy A51 counts with a more vivid display than Motorola Defy (2021), and although they both have a display with the same size, the Samsung Galaxy A51 also has a way higher resolution of 1080 x 2400 pixels and a higher pixels density. The Samsung Galaxy A51 features a very superior storage to install applications and games than Motorola Defy (2021), and although they both have an external SD slot that allows a maximum of 512 GB, the Samsung Galaxy A51 also has more internal memory capacity.
Samsung Galaxy A51 takes slightly better pictures and videos than Motorola Defy (2021), because although it has a smaller sensor capturing less light and duller colors and a tinier diafragm aperture which is not good for taking images and/or video in poorly lited environments, and they both have a 48 MP camera in the back, the Samsung Galaxy A51 also counts with a much higher 3840x2160 (4K) video quality.
Motorola Defy (2021) features greater battery performance than Samsung Galaxy A51, because it has a 5000mAh battery capacity against 4000mAh.
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