Compare phones
| Global Score | |
| 85.5 | 77.8 |
| Basic Information | |
| Samsung | ZTE |
| Android 11, 10 | Android 10 |
| 2019-12-27 | 2020-12-21 |
| 6.24 x 2.90 x 0.31 inches | 6.78 x 3.07 x 0.31 inches |
| 6.07 ounces | 6.98 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 282.00 | $ 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 9611 chipset | Qualcomm Snapdragon 765G chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 475, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 620 GPU |
| 9.27 | 9.45 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 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 (240 fps) (HD) slow motion video | -- |
| 11.55 | 12.32 |
| 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 Li - Polymer Battery | 4220mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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
Samsung Galaxy A51 has a general score of 85.5, which is just a bit better than ZTE Axon 20's 77.8 score. These devices have Android OS (operating system), but Samsung Galaxy A51 has a newer 11 version while ZTE Axon 20 has Android 10, so it gives a couple additional features. Samsung Galaxy A51's construction has the same thickness than ZTE Axon 20, but it's somewhat lighter.
The Samsung Galaxy A51 counts with just a bit better display than ZTE Axon 20, because although it has a little bit smaller screen and a quite lower resolution of 1080 x 2400 pixels, it also counts with a quite greater pixels density. The Samsung Galaxy A51 features a way bigger memory for apps and games than ZTE Axon 20, and although they both have exactly the same internal memory, the Samsung Galaxy A51 also has an external memory card slot that holds up to 512 GB.
ZTE Axon 20 has a bit better processing power than Samsung Galaxy A51, and although they both have the same number of cores, the ZTE Axon 20 also has a higher amount of RAM. ZTE Axon 20 captures a little bit better videos and photos than Galaxy A51, and although they both have the same video definition, the ZTE Axon 20 also has a larger aperture to take better low light photography and video, a larger sensor which provides a better image and video quality, a back facing camera with a lot better resolution and better video frame rates.
The ZTE Axon 20 has a bit longer battery duration than Samsung Galaxy A51, because it has a 6 percent greater battery size.
The Galaxy A51 is not only the best devices between the ones we are comparing here, but it's also by far the cheapest, making this phone a great choice.
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