| Global Score | |
| 85.5 | 77.3 |
| Basic Information | |
| Samsung | Sony |
| Android 11, 10 | Android 4.4.4 |
| 2019-12-27 | 2014-09-03 |
| 6.24 x 2.90 x 0.31 inches | 5.85 x 2.89 x 0.35 inches |
| 6.07 ounces | 6.02 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | $ 170.00 |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 2400 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 424 pixels per inch |
| -- | 592 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.6 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 4 GB RAM | 3 GB (933 MHz) RAM |
| Mali-G72 MP3 GPU | Adreno 330 (450 MHz) GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 14.14 | 8.12 |
| Camera | |
| 48.00 MP + 32.00 MP | 20.70 MP + 2.20 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 10.34 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3200mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| -- | 920 hours standby time 21 hours talk time |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Samsung Galaxy A51 has a global score of 85.5, which is much better than the Xperia Z3's global score of 77.3. Both of these phones work with Android OS (operating system), but the Samsung Galaxy A51 has the previous 11 version while Xperia Z3 has Android 4.4.4. The Samsung Galaxy A51 is a incredibly newer and thinner phone than Xperia Z3, but it's a little bit heavier.
Sony Xperia Z3 counts with a much better screen than Samsung Galaxy A51, because although it has a bit worse resolution of 1920 x 1080 pixels and a lot smaller display, it also counts with a just a little better pixels number in each inch of display. Sony Xperia Z3 counts with a little better performance than Samsung Galaxy A51, because although it has 4 less cpu cores and less RAM memory, it also counts with an additional GPU.
Samsung Galaxy A51 features a very superior memory to install applications and games than Xperia Z3, because it has an external memory card slot that holds up to 512 GB and 128 GB internal memory capacity. The Galaxy A51 counts with improved battery performance than Xperia Z3, because it has 4000mAh of battery capacity.
The Galaxy A51 features a much better camera than Sony Xperia Z3, and although they both have a same size aperture, the same (4K) video quality and the same 30 fps video frame rates, the Galaxy A51 also has a way more megapixels back camera and a larger back-facing camera sensor providing a better image quality.
Galaxy A51 is a lot more expensive than the Sony Xperia Z3, but you can get a better phone for that few more dollars.
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