Compare phones
| Global Score | |
| 73.8 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 10 |
| 2016-10-12 | 2020-06-19 |
| 5.96 x 3.02 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 5.29 ounces | 6.77 ounces |
| Gold and Silver | Black, Blue, Red and White |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super IPS+ LCD | TFT |
| 401 pixels per inch | 270 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 9.09 | 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 | |
| 16.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.68 | 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 |
| Micro SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth | 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 Asus ZenFone 3 Deluxe (ZS550KL), with a 77.7 score against 73.8. Both phones in this review use Android OS, but Samsung Galaxy A21s has older 10 version and Asus ZenFone 3 Deluxe (ZS550KL) has Android 8.0 Oreo. Samsung Galaxy A21s's body is a lot newer, but thicker and way heavier than the Asus ZenFone 3 Deluxe (ZS550KL).
The Asus ZenFone 3 Deluxe (ZS550KL) features a brighter screen than Samsung Galaxy A21s, because although it has a little smaller display, it also counts with a higher resolution of 1080 x 1920 pixels and a better quantity of pixels per screen inch. Asus ZenFone 3 Deluxe (ZS550KL) counts with a much greater memory to install applications and games than Galaxy A21s, because it has 64 GB internal storage and a slot for external memory cards that allows up to 1,95 TB.
Samsung Galaxy A21s counts with a processor that's just as good as the Asus ZenFone 3 Deluxe (ZS550KL) one, and although the Samsung Galaxy A21s has a smaller amount of RAM memory, they both have the same number of cores. The Galaxy A21s has a much better battery duration than Asus ZenFone 3 Deluxe (ZS550KL), because it has 5000mAh of battery capacity against 3000mAh.
Samsung Galaxy A21s counts with a better camera than Asus ZenFone 3 Deluxe (ZS550KL), and although they both have the same video quality, a same size camera aperture and the same 30 fps video frame rate, the Samsung Galaxy A21s also has a lot better resolution back camera.
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