Compare phones
| Global Score | |
| 77.5 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2016-07-12 | 2020-06-19 |
| 6.16 x 3.05 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 6.00 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Aluminum | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 386 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Samsung Exynos 850 chipset |
| Kryo, 64-bit (Quad-Core 2400 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 530 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.62 | 9.84 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.23 | 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, Dual 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 4.2, 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 |
Comparison review
Samsung Galaxy A21s has a score of 77.7, which is slightly better than the Asus ZenFone 3 Deluxe's 77.5 global score. The Samsung Galaxy A21s design is a lot newer than the Asus ZenFone 3 Deluxe's, although it is somewhat thicker and heavier. Asus ZenFone 3 Deluxe has a slightly better looking display than Galaxy A21s, because although it has a bit smaller screen, it also counts with a higher resolution of 1080 x 1920 and a higher pixel count in each inch in the display.
The Galaxy A21s's processor is very similar to Asus ZenFone 3 Deluxe's CPU, because although the Galaxy A21s has a smaller amount of RAM, it also counts with a larger number of cores. Asus ZenFone 3 Deluxe counts with a superior storage to store more apps and games than Galaxy A21s, because although it has a SD memory card expansion slot that admits up to 128 GB against 512 GB, it also counts with 256 GB internal storage.
Galaxy A21s features a much longer battery lifetime than Asus ZenFone 3 Deluxe, because it has a 5000mAh battery capacity instead of 3000mAh. Galaxy A21s has a slightly better camera than Asus ZenFone 3 Deluxe, and although they both have the same aperture, the same video frame rates and the same (Full HD) video definition, the Galaxy A21s also has a way higher resolution back camera and a lot bigger back-facing camera sensor.
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