Compare phones
| Global Score | |
| 75.8 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-01-13 | 2020-09-11 |
| 5.75 x 2.81 x 0.31 inches | 6.45 x 3.00 x 0.37 inches |
| 5.61 ounces | 7.51 ounces |
| Black sky, Blue mist, Gold sand and Peach cloud | Black and White |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.2 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 424 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7880 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP3 GPU | Adreno 618 GPU |
| 9 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 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 |
| 9.24 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 8.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M51 has a general score of 87.7, which is better than Samsung Galaxy A5 (2017)'s score of 75.8. Samsung Galaxy M51's construction is noticeably newer, but thicker and incredibly heavier than Samsung Galaxy A5 (2017). Galaxy M51 counts with a little faster CPU than Samsung Galaxy A5 (2017), and although they both have a Octa-Core processor, the Galaxy M51 also has more RAM memory.
Galaxy A5 (2017) counts with a little sharper screen than Galaxy M51, because although it has a much smaller display and a bit worse 1080 x 1920px resolution, it also counts with a just a little higher pixel quantity per display inch. Samsung Galaxy M51 features a superior memory for applications, games, photos and videos than Samsung Galaxy A5 (2017), because it has a SD memory card expansion slot that supports up to 512 GB and 96 GB more internal memory capacity.
Samsung Galaxy M51 takes a lot better photos and videos than Samsung Galaxy A5 (2017), because it has a back-facing camera with lot more mega-pixels, a larger camera aperture and a much better video quality. The Samsung Galaxy M51 features a way better battery duration than Galaxy A5 (2017), because it has a 7000mAh battery capacity against 3000mAh.
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