Compare phones
| Global Score | |
| 87.7 | 79.1 |
| Basic Information | |
| Samsung | Sony |
| Android 10 | -- |
| 2020-09-11 | 2018-04-05 |
| 6.45 x 3.00 x 0.37 inches | 6.02 x 2.83 x 0.44 inches |
| 7.51 ounces | 6.98 ounces |
| Black and White | Black, Green, Pink and Silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 5.7 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 424 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 14.14 | 11.34 |
| Camera | |
| 64.00 MP + 32.00 MP | 19.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.88 | 10.67 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 7000mAh Battery | 3180mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 5.2 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M51 has a score of 87.7, which is better than Sony Xperia XZ2's overall score of 79.1. The Galaxy M51 body is incredibly newer and somewhat thinner, but also a bit heavier than the Sony Xperia XZ2. Xperia XZ2 has a little sharper display than Samsung Galaxy M51, because although it has a little bit smaller screen and a quite lower resolution of 1080 x 2160px, it also counts with a bit higher pixels number per inch of screen.
Xperia XZ2 counts with a bit better processing unit than Galaxy M51, although it has 2 GB lesser RAM memory, they both have a Octa-Core processing unit. The Samsung Galaxy M51 counts with a superior camera than Sony Xperia XZ2, because although it has slower video frame rates, and they both have the same 3840x2160 (4K) video resolution, the Samsung Galaxy M51 also counts with a camera in the back with way more megapixels, a way bigger camera sensor and a larger aperture to take better low light photography and videos.
The Galaxy M51 counts with a superior memory capacity to store more apps and games than Xperia XZ2, because it has a SD extension slot that admits a maximum of 512 GB and more internal memory capacity. Galaxy M51 has a much longer battery duration than Xperia XZ2, because it has 7000mAh of battery capacity against 3180mAh.
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