Compare phones
| Global Score | |
| 77.2 | 90.8 |
| Basic Information | |
| Motorola | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2021-06-17 | 2020-04-29 |
| 6.69 x 3.08 x 0.43 inches | 6.26 x 2.90 x 0.34 inches |
| 8.18 ounces | 6.60 ounces |
| Black and Forged Green | Prism cube black |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| 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 980 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 11.74 | 15.38 |
| 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 (480 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 | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| 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
Galaxy A51 5G is much better than Motorola Defy (2021), with a 90.8 score against 77.2. The Galaxy A51 5G is an older device than Motorola Defy (2021), but Samsung was able to make it way thinner and lighter anyway. Both of these devices have the same Android 11 operating system. Samsung Galaxy A51 5G features a bit better hardware performance than Motorola Defy (2021), and although they both have the same number of cores, the Samsung Galaxy A51 5G also has a larger amount of RAM memory.
The Samsung Galaxy A51 5G features a much better screen than Motorola Defy (2021), and although they both have a screen with the same size, the Samsung Galaxy A51 5G also has a higher pixels density and a lot better 1080 x 2400 resolution. Galaxy A51 5G features a lot bigger memory capacity for games and applications than Motorola Defy (2021), because it has 128 GB internal storage capacity and a slot for an external memory card that holds up to 1000 GB.
Motorola Defy (2021) features a bit superior battery duration than Samsung Galaxy A51 5G, because it has an 11% greater battery capacity. Samsung Galaxy A51 5G shoots a little bit better photos and videos than Motorola Defy (2021), because although it has a smaller back-facing camera sensor capturing less light and duller colors and a smaller camera aperture which is worse for low-light photography and videos, and they both have the same resolution back camera, the Samsung Galaxy A51 5G also counts with a much higher 3840x2160 video quality.
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