Compare phones
| Global Score | |
| 90.8 | 77.2 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 11, 10 |
| 2020-04-29 | 2021-06-17 |
| 6.26 x 2.90 x 0.34 inches | 6.69 x 3.08 x 0.43 inches |
| 6.60 ounces | 8.18 ounces |
| Prism cube black | Black and Forged Green |
| Aluminum and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| 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 980 chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Adreno 610 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 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 (480 fps) (HD) slow motion video | -- |
| 11.55 | 11.22 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
The Galaxy A51 5G has a global score of 90.8, which is better than Motorola Defy (2021)'s score of 77.2. These phones come with the same Android 11 operating system. Even though Galaxy A51 5G is older than Motorola Defy (2021), it's construction is a lot thinner and lighter. Galaxy A51 5G features a better screen than Motorola Defy (2021), and although they both have a same size screen, the Galaxy A51 5G also has a way better 1080 x 2400 resolution and a greater display pixels density.
Galaxy A51 5G features a way bigger memory capacity to store more apps and games than Motorola Defy (2021), because it has a slot for SD memory cards that allows a maximum of 1000 GB and 64 GB more internal memory. Samsung Galaxy A51 5G counts with a little bit better performance than Motorola Defy (2021), and although they both have a Octa-Core processing unit, the Samsung Galaxy A51 5G also has a larger amount of RAM.
The Galaxy A51 5G takes a little bit better videos and photos than Motorola Defy (2021), because although it has a tinier back camera sensor taking lower quality videos and images and a tinier diafragm aperture which is not nice for low-light captures and video, and they both have the same resolution camera in the back, the Galaxy A51 5G also counts with a lot better 3840x2160 video quality.
Motorola Defy (2021) has just a little bit longer battery life than Samsung Galaxy A51 5G, because it has an 11% larger battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.