Compare phones
| Global Score | |
| 75.3 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2018-06-13 | 2020-06-19 |
| 6.02 x 2.98 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 5.82 ounces | 6.77 ounces |
| Blue and Silver | Black, Blue, Red and White |
| Aluminum and Glass | -- |
| Scratch-Resistant Glass | -- |
| $ 499.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2246 x 1080 pixels | 1600 x 720 pixels |
| Super IPS+ LCD | TFT |
| 402 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 850 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 630 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") 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 | 10.78 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy A21s is a little bit better than the Asus ZenFone 5z, having a 77.7 score against 75.3. Samsung Galaxy A21s is a newer cellphone than Asus ZenFone 5z, but it's thicker and heavier. The Asus ZenFone 5z counts with a much better looking display than Samsung Galaxy A21s, because although it has a bit smaller screen, it also counts with a greater pixel count in each display inch and a much higher 1080 x 2246 resolution.
Asus ZenFone 5z counts with a much greater storage capacity to store more games and applications than Galaxy A21s, because it has 224 GB more internal storage and a slot for SD memory cards that allows a maximum of 1,95 TB. Asus ZenFone 5z has a bit better CPU than Samsung Galaxy A21s, and although they both have 8 cores, the Asus ZenFone 5z also has a greater amount of RAM memory.
Samsung Galaxy A21s has a much longer battery lifetime than Asus ZenFone 5z, because it has a 5000mAh battery capacity. Samsung Galaxy A21s shoots way better photographs and videos than Asus ZenFone 5z, because although it has slower 30 frames per second video frame rates and a smaller diafragm aperture, and they both have the same video definition, the Samsung Galaxy A21s also counts with a much bigger camera sensor providing a lot higher image quality.
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