Compare phones
| Global Score | |
| 71.9 | 87.7 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie | Android 10 |
| 2019-10-14 | 2020-09-11 |
| 6.25 x 2.96 x 0.35 inches | 6.45 x 3.00 x 0.37 inches |
| 6.56 ounces | 7.51 ounces |
| Diamond black and Twilight blue | Black and White |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 549.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 403 pixels per inch | 385 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Adreno 618 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 48.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") 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 | -- |
| 11.22 | 11.88 |
| 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 | |
| 4000mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 8.32 |
| 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
The Samsung Galaxy M51 has an overall score of 87.7, which is a lot better than the nubia Z20's 71.9 global score. These phones have Android operating system, but the Samsung Galaxy M51 has the older 10 version while nubia Z20 has Android 9.0 Pie version. The Samsung Galaxy M51 is a newer device than nubia Z20, although it is somewhat heavier and a bit thicker.
The nubia Z20 counts with just a little better hardware performance than Samsung Galaxy M51, and although they both have the same number of cores, the nubia Z20 also has a greater amount of RAM memory. The nubia Z20 counts with a bit more vivid display than Galaxy M51, because although it has a little smaller screen, and they both have an equal 1080 x 2340px resolution, the nubia Z20 also counts with a just a little more pixels per screen inch.
Galaxy M51 has a much bigger memory capacity for apps and games than nubia Z20, and although they both have equal internal storage, the Galaxy M51 also has a slot for an SD memory card that supports a maximum of 512 GB. The Galaxy M51 features a way better battery performance than nubia Z20, because it has a 7000mAh battery size.
Galaxy M51 features a little bit better camera than nubia Z20, because although it has a tinier aperture which is not favorable for capturing photos or video in low light environments, and they both have the same 3840x2160 (4K) video resolution, the Galaxy M51 also counts with a larger sensor providing a higher image quality, a lot higher resolution back camera and faster 30 fps video frame rate.
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