Compare phones
| Global Score | |
| 77.7 | 85.5 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-05-13 |
| 6.44 x 2.96 x 0.35 inches | 6.50 x 3.04 x 0.38 inches |
| 6.77 ounces | 8.11 ounces |
| Black, Blue, Red and White | Galactic Black and Glacier Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.9 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 2 TB) external memory slot |
| 9.84 | 17.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Asus ZenFone 8 Flip has an overall score of 85.5, which is much better than Galaxy A21s's 77.7 global score. Even though the Asus ZenFone 8 Flip is newer than the Galaxy A21s, it is heavier and just a little bit thicker. Both of these devices include Android OS (Operating System), but Asus ZenFone 8 Flip has a more recent 11 version and Galaxy A21s has Android 10 version, offering some additional features and performance tweaks.
Asus ZenFone 8 Flip features a lot better screen than Samsung Galaxy A21s, because it has a little bit larger display, a much better 1080 x 2400 resolution and a greater screen density. The Asus ZenFone 8 Flip features a bit superior processing unit than Galaxy A21s, and although they both have a Octa-Core CPU, the Asus ZenFone 8 Flip also has 5 GB more RAM memory.
The Asus ZenFone 8 Flip has a very superior memory to install applications and games or saving photos and videos than Galaxy A21s, because it has 128 GB internal storage capacity and a slot for external memory cards that allows up to 2 TB. The Samsung Galaxy A21s and the Asus ZenFone 8 Flip feature incredibly similar batteries.
The Asus ZenFone 8 Flip shoots much better videos and photos than Galaxy A21s, because it has a camera in the back with lot more megapixels, a bigger back-facing camera sensor, a way higher 7680x4320 video quality and a bigger diafragm aperture to capture better low-light images and videos.
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