| Global Score | |
| 72.4 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 10 |
| 2014-10-30 | 2020-09-11 |
| 5.48 x 2.74 x 0.26 inches | 6.45 x 3.00 x 0.37 inches |
| 4.34 ounces | 7.51 ounces |
| Black, Blue, Gold, Gray, Pink and White | Black and White |
| Aluminium | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 239.00 | -- |
| Display / Screen | |
| 5 inches | 6.7 inches |
| 720 x 1280 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 294 pixels per inch | 385 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.3 | 8 |
| Performance | |
| Qualcomm Snapdragon 410 8916 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 2 GB (533 MHz) RAM | 6 GB RAM |
| Adreno 306 (450 MHz) GPU | Adreno 618 GPU |
| 9.09 | 9.27 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 7.92 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2300mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 15 hours talk time | -- |
| 4.24 | 8.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Galaxy M51 is a lot better than the Galaxy A5, getting a general score of 87.7 against 72.4. The Galaxy M51 is a newer phone than Galaxy A5, although it's notably thicker and way heavier. Both of these phones work with Android OS, but the Galaxy M51 has older 10 version and Galaxy A5 has Android 4.4.4 version.
Samsung Galaxy A5 features a bit better display than Samsung Galaxy M51, although it has a lot smaller screen, a lot lower 1280 x 720 pixels resolution and a just a bit lower pixels density. The Galaxy M51 has a bit better hardware performance than Galaxy A5, because although it has a 32-bits CPU against 64-bits and doesn't have an additional graphics processor, it also counts with 4 more processing cores and 4 GB more RAM.
Galaxy M51 has a lot bigger storage to install applications and games than Samsung Galaxy A5, because it has an external memory slot that allows a maximum of 512 GB and 128 GB internal storage capacity. Samsung Galaxy M51 has a much better camera than Samsung Galaxy A5, because it has a lot higher video definition and a much better resolution camera in the back.
Galaxy M51 has a much longer battery performance than Galaxy A5, because it has a 7000mAh battery size against 2300mAh.
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