Compare phones
| Global Score | |
| 77.8 | 90.8 |
| Basic Information | |
| ZTE | Samsung |
| Android 10 | Android 11, 10 |
| 2020-12-21 | 2020-04-29 |
| 6.78 x 3.07 x 0.31 inches | 6.26 x 2.90 x 0.34 inches |
| 6.98 ounces | 6.60 ounces |
| Black | Prism cube black |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 449.00 | $ 339.00 |
| Display / Screen | |
| 6.9 inches | 6.5 inches |
| 2460 x 1080 pixels | 2400 x 1080 pixels |
| OLED | Super AMOLED |
| 389 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 765G chipset | Samsung Exynos 980 chipset |
| Kryo 475, 64-bit, 7 nm (Octa-Core 2400 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 620 GPU | Mali-G76 MP5 GPU |
| 9.45 | 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 | |
| 64.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.32 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4220mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.08 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 Galaxy A51 5G has an overall score of 90.8, which is much better than the ZTE Axon 20's 77.8 score. Both of these phones use Android OS (operating system), but the Galaxy A51 5G has newer 11 version and ZTE Axon 20 has Android 10 version, so it gives you a couple additional features. The Galaxy A51 5G construction is just a little bit lighter but just a little bit thicker than the ZTE Axon 20, and both of them were released only 8 months apart.
The ZTE Axon 20 features a bit faster CPU than Galaxy A51 5G, and although they both have the same number of cores, the ZTE Axon 20 also has more RAM. Galaxy A51 5G has a little more vivid screen than ZTE Axon 20, because although it has a little bit lower 1080 x 2400 pixels resolution and a little bit smaller screen, it also counts with a little bit higher screen density.
Samsung Galaxy A51 5G counts with a very superior storage capacity for applications, games, photos and videos than ZTE Axon 20, and although they both have the same internal storage capacity, the Samsung Galaxy A51 5G also has a slot for SD memory cards that admits a maximum of 1000 GB. The ZTE Axon 20 captures a bit better pictures and videos than Galaxy A51 5G, and although they both have the same 3840x2160 video definition, the ZTE Axon 20 also has higher video frame rate, a much more mega-pixels camera, a larger sensor which gives a higher photo and video quality and a bigger diafragm aperture to capture better low-light images and video.
The Galaxy A51 5G features just a little bit longer battery lifetime than ZTE Axon 20, because it has 4500mAh of battery capacity instead of 4220mAh.
Even being the best phone in our comparison, Galaxy A51 5G is also very cheap compared to the other phones.
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