Compare phones
| Global Score | |
| 75.3 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2018-06-13 | 2020-06-29 |
| 6.02 x 2.98 x 0.30 inches | 6.61 x 3.02 x 0.32 inches |
| 5.82 ounces | 6.81 ounces |
| Blue and Silver | Black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 499.00 | $ 194.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2246 x 1080 pixels | 1600 x 720 pixels |
| Super IPS+ LCD | IPS LCD |
| 402 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Mediatek Helio P35 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 630 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 20.26 | 9.84 |
| Camera | |
| 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 3.63 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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 | FM Radio |
Comparison review
Galaxy A21 is a bit better than the Asus ZenFone 5z, having a score of 76.1 against 75.3. The Galaxy A21 body is a lot newer, but heavier and just a little bit thicker than Asus ZenFone 5z. The Asus ZenFone 5z counts with a sharper display than Samsung Galaxy A21, because although it has a quite smaller screen, it also counts with a greater pixels count in each inch of screen and a much better resolution of 1080 x 2246.
The Asus ZenFone 5z counts with much more storage capacity for applications and games than Samsung Galaxy A21, because it has a slot for an SD memory card that admits a maximum of 1,95 TB and 224 GB more internal memory. Asus ZenFone 5z counts with just a little better processing power than Samsung Galaxy A21, and although they both have 8 cpu cores, the Asus ZenFone 5z also has 5 GB more RAM.
Samsung Galaxy A21 counts with a much better camera than Asus ZenFone 5z, although it has slower 30 fps video frame rates and a smaller camera sensor, they both have a same size diafragm aperture and the same (Full HD) video resolution. Galaxy A21 has longer battery life than Asus ZenFone 5z, because it has 4000mAh of battery capacity against 3300mAh.
Galaxy A21 not only is the best devices of the ones in this comparison, but it's also a bargain compared to others.
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