Compare phones
| Global Score | |
| 87.7 | 79 |
| Basic Information | |
| Samsung | Sony |
| Android 10 | Android 8.0 Oreo |
| 2020-09-11 | 2018-04-05 |
| 6.45 x 3.00 x 0.37 inches | 5.31 x 2.56 x 0.48 inches |
| 7.51 ounces | 5.93 ounces |
| Black and White | 16 777 216 |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 5 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 483 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.1 |
| 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 | 2870mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 4.88 |
| 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 is much better than Xperia XZ2 Compact, having an 87.7 score against 79. The Galaxy M51 is a incredibly newer and incredibly thinner cellphone than Xperia XZ2 Compact, although it's incredibly heavier. Both phones in this comparison come with Android OS, but the Galaxy M51 has an older 10 version and Xperia XZ2 Compact has Android 8.0 Oreo.
The Sony Xperia XZ2 Compact counts with a bit superior processor than Samsung Galaxy M51, although it has less RAM, they both have a Octa-Core processing unit. Xperia XZ2 Compact features a sharper screen than Galaxy M51, because although it has a lot smaller screen and a bit worse resolution of 1080 x 2160px, it also counts with a higher pixels quantity per inch in the display.
Samsung Galaxy M51 shoots better photographs and videos than Sony Xperia XZ2 Compact, because although it has slower video frame rates, and they both have the same 3840x2160 video resolution, the Samsung Galaxy M51 also counts with a much larger camera sensor shooting lot higher quality photos, a larger aperture to take better images and videos in low light environments and a back-facing camera with a way better 64 MP resolution.
The Galaxy M51 has much more memory capacity for applications, games, photos and videos than Xperia XZ2 Compact, because it has a slot for an SD memory card that holds up to 512 GB and more internal storage capacity. Galaxy M51 has a much longer battery duration than Sony Xperia XZ2 Compact, because it has a 7000mAh battery capacity.
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