Compare phones
| Global Score | |
| 71.9 | 90.8 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie | Android 11, 10 |
| 2019-10-14 | 2020-04-29 |
| 6.25 x 2.96 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 6.56 ounces | 6.60 ounces |
| Diamond black and Twilight blue | Prism cube black |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 549.00 | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Samsung Exynos 980 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Mali-G76 MP5 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 48.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (15 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.22 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 5G has an overall score of 90.8, which is a lot better than the nubia Z20's general score of 71.9. Although Samsung Galaxy A51 5G and nubia Z20 were only released with a few months difference, the Samsung Galaxy A51 5G design is a little heavier but also just a little bit thinner than nubia Z20. These phones come with Android OS (Operating System), but the Samsung Galaxy A51 5G has an older 11 version and nubia Z20 has Android 9.0 Pie.
Nubia Z20 counts with a little sharper screen than Galaxy A51 5G, although it has a bit worse screen density, a bit lower resolution of 1080 x 2340 pixels and a little smaller display. Nubia Z20 has a little better hardware performance than Samsung Galaxy A51 5G, and although they both have 8 processing cores, the nubia Z20 also has 2 GB more RAM memory.
Samsung Galaxy A51 5G captures clearer photos and videos than nubia Z20, because although it has a smaller aperture, and they both have a 0.5 inches camera sensor, a same resolution back facing camera and the same video definition, the Samsung Galaxy A51 5G also counts with faster 30 fps video frame rates.
The Samsung Galaxy A51 5G counts with a much greater memory capacity to install games and applications than nubia Z20, and although they both have the same 128 GB internal storage capacity, the Samsung Galaxy A51 5G also has a slot for external memory cards that admits a maximum of 1000 GB. The Galaxy A51 5G has just a bit longer battery lifetime than nubia Z20, because it has 4500mAh of battery capacity.
Galaxy A51 5G is not only the best devices in our current comparison, but it's also a lot cheaper, making it a great choice.
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