Compare phones
| Global Score | |
| 90.8 | 77.8 |
| Basic Information | |
| Samsung | ZTE |
| Android 11, 10 | Android 10 |
| 2020-04-29 | 2020-12-21 |
| 6.26 x 2.90 x 0.34 inches | 6.78 x 3.07 x 0.31 inches |
| 6.60 ounces | 6.98 ounces |
| Prism cube black | Black |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 339.00 | $ 449.00 |
| Display / Screen | |
| 6.5 inches | 6.9 inches |
| 2400 x 1080 pixels | 2460 x 1080 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 765G chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 475, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 620 GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.55 | 12.32 |
| 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 | |
| 4500mAh Li - Polymer Battery | 4220mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.08 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
Galaxy A51 5G has a general score of 90.8, which is much better than ZTE Axon 20's 77.8 global score. Even though the Galaxy A51 5G and the ZTE Axon 20 were released with only a couple of months difference, Galaxy A51 5G's construction is a little bit thicker but just a bit lighter. Both phones in this comparison review include Android operating system, but Galaxy A51 5G has the newer 11 version while ZTE Axon 20 has Android 10, providing the user lots of additional features.
ZTE Axon 20 has a little faster processor than Galaxy A51 5G, and although they both have a Octa-Core CPU, the ZTE Axon 20 also has a greater amount of RAM memory. The Samsung Galaxy A51 5G counts with a little more vivid screen than ZTE Axon 20, because although it has a little bit smaller display and a bit worse resolution of 1080 x 2400, it also counts with a little bit better display pixels density.
The Samsung Galaxy A51 5G features a much greater memory capacity to install applications and games or saving photos and videos than ZTE Axon 20, and although they both have equal internal memory, the Samsung Galaxy A51 5G also has a SD memory slot that allows up to 1000 GB. Samsung Galaxy A51 5G has a bit superior battery performance than ZTE Axon 20, because it has a 4500mAh battery capacity against 4220mAh.
ZTE Axon 20 takes slightly better photos and videos than Samsung Galaxy A51 5G, and although they both have the same 3840x2160 video quality, the ZTE Axon 20 also has a camera in the back with a way better 64 MP resolution, a larger sensor taking higher quality videos and photos, a larger camera aperture to take better photography and videos in low light environments and higher 60 fps video frame rates.
Despite of being the best phone in this comparison, Samsung Galaxy A51 5G is also very cheap compared to the other phones, which makes this phone an obvious call.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.