| Global Score | |
| 77.3 | 87.7 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4 | Android 10 |
| 2014-09-03 | 2020-09-11 |
| 5.85 x 2.89 x 0.35 inches | 6.45 x 3.00 x 0.37 inches |
| 6.02 ounces | 7.51 ounces |
| Black and White | Black and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 424 pixels per inch | 385 pixels per inch |
| 592 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 9.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB (933 MHz) RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 618 GPU |
| 9.45 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 20.70 MP + 2.20 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 10.34 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, 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 | |
| 3200mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 8.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Galaxy M51 has a global score of 87.7, which is much better than the Sony Xperia Z3's 77.3 score. Both of these devices have Android OS (Operating System), but Galaxy M51 has older 10 version while Sony Xperia Z3 has Android 4.4.4. The Galaxy M51 is a notably newer cellphone than Sony Xperia Z3, although it's heavier and just a bit thicker.
Xperia Z3 has a lot better looking screen than Galaxy M51, because although it has a little lower resolution of 1920 x 1080 and a really smaller display, it also counts with a bit greater pixels density. Galaxy M51 features a much greater memory capacity for apps and games than Xperia Z3, because it has 96 GB more internal storage capacity and a SD memory slot that holds up to 512 GB.
Xperia Z3 features a bit better processor than Galaxy M51, because although it has a lower amount of RAM memory and a lower number of cores , it also counts with an extra graphics processor. Galaxy M51 has a much better camera than Sony Xperia Z3, and although they both have the same 30 frames per second video frame rate and the same 3840x2160 (4K) video resolution, the Galaxy M51 also has a bigger diafragm aperture, a way bigger back camera sensor providing a way better image quality and a camera in the back with lot more mega-pixels.
Galaxy M51 counts with a much better battery performance than Xperia Z3, because it has a 7000mAh battery size instead of 3200mAh.
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