Compare phones
| Global Score | |
| 77.8 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 9.0 Pie | Android 10 |
| 2019-05-25 | 2020-06-19 |
| 6.26 x 2.97 x 0.36 inches | 6.44 x 2.96 x 0.35 inches |
| 6.70 ounces | 6.77 ounces |
| Black and Silver | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass 3) | -- |
| Scratch-Resistant Glass | -- |
| $ 500.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 9.84 |
| Camera | |
| 48.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.22 | 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 | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0, EDR | 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
Asus ZenFone 6 (2019) is just a bit better than Galaxy A21s, having a score of 77.8 against 77.7. These phones use Android OS (operating system), but Asus ZenFone 6 (2019) has 11 version while Galaxy A21s has Android 10 version. Asus ZenFone 6 (2019) is an older and a little bit thicker phone than Galaxy A21s, but Asus managed to build it a bit lighter anyway.
The Asus ZenFone 6 (2019) has a little faster processing unit than Galaxy A21s, and although they both have a Octa-Core processing unit, the Asus ZenFone 6 (2019) also has a larger amount of RAM memory. The Asus ZenFone 6 (2019) has a much better looking screen than Samsung Galaxy A21s, because although it has a bit smaller screen, it also counts with a higher count of pixels per inch in the display and a much better 1080 x 2340 resolution.
The Asus ZenFone 6 (2019) counts with a much bigger memory for games and applications than Galaxy A21s, because it has a slot for external memory cards that admits a maximum of 1,95 TB and 64 GB internal memory capacity. The Galaxy A21s features a battery life that's just as good as the battery lifetime in Asus ZenFone 6 (2019).
The Asus ZenFone 6 (2019) counts with a slightly better camera than Galaxy A21s, and although they both have the same sensor size and a same resolution camera, the Asus ZenFone 6 (2019) also has a much higher 3840x2160 (4K) video resolution and a bigger camera aperture.
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