Compare phones
| Global Score | |
| 77.8 | 85.5 |
| Basic Information | |
| ZTE | Samsung |
| Android 10 | Android 11, 10 |
| 2020-12-21 | 2019-12-27 |
| 6.78 x 3.07 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 6.98 ounces | 6.07 ounces |
| Black | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 449.00 | $ 282.00 |
| 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 9611 chipset |
| Kryo 475, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 620 GPU | Mali-G72 MP3 GPU |
| 9.45 | 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 | |
| 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 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4220mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.08 | 5.92 |
| 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
Galaxy A51 is slightly better than ZTE Axon 20, having a general score of 85.5 against 77.8. Galaxy A51 is a somewhat lighter phone than ZTE Axon 20, but both have the same thickness. These devices use Android OS (Operating System), but the Galaxy A51 has newer 11 version and ZTE Axon 20 has Android 10.
The Galaxy A51 has a bit sharper screen than ZTE Axon 20, because although it has a little lower 1080 x 2400 pixels resolution and a quite smaller screen, it also counts with a little bit better display density. ZTE Axon 20 features a bit better performance than Galaxy A51, and although they both have 8 cores, the ZTE Axon 20 also has more RAM memory.
The Galaxy A51 features a much greater memory capacity for applications and games than ZTE Axon 20, and although they both have the same 128 GB internal memory capacity, the Galaxy A51 also has a slot for SD memory cards that allows up to 512 GB. The ZTE Axon 20 has a bit superior battery lifetime than Galaxy A51, because it has a 4220mAh battery capacity.
The ZTE Axon 20 counts with a slightly better camera than Galaxy A51, and although they both have the same (4K) video quality, the ZTE Axon 20 also has a larger aperture, a bigger sensor providing a higher image quality, better 60 frames per second video frame rates and a much more mega-pixels back facing camera.
The Galaxy A51 not only is the best phones of the ones in this comparison, but it's also very cheap compared to the other ones.
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