Compare phones
| Global Score | |
| 85.5 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11 | Android 11, 10 |
| 2021-05-13 | 2020-03-23 |
| 6.50 x 3.04 x 0.38 inches | 6.26 x 2.96 x 0.35 inches |
| 8.11 ounces | 6.63 ounces |
| Galactic Black and Glacier Silver | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1000 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Exynos 9611 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.14 | 11.74 |
| Camera | |
| 64.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Asus ZenFone 8 Flip has a general score of 85.5, which is a bit better than Galaxy M21's 84.1 overall score. Asus ZenFone 8 Flip is a newer cellphone than Galaxy M21, but it is a little bit thicker and somewhat heavier. These devices come with the same Android 11 OS. The Asus ZenFone 8 Flip counts with a little sharper display than Samsung Galaxy M21, because although it has a just a little lower pixel density, it also counts with a slightly higher resolution of 1080 x 2400px, a lot brighter display and a little bit larger display.
The Asus ZenFone 8 Flip counts with a bit faster CPU than Galaxy M21, and although they both have a Octa-Core processor, the Asus ZenFone 8 Flip also has a larger amount of RAM memory. The Asus ZenFone 8 Flip features a lot bigger storage capacity for games and applications than Samsung Galaxy M21, because it has a slot for an external memory card that holds up to 2 TB and 128 GB internal memory.
The Galaxy M21 has superior battery life than Asus ZenFone 8 Flip, because it has a 6000mAh battery capacity against 5000mAh. The Asus ZenFone 8 Flip captures clearer pictures and videos than Galaxy M21, because it has a larger sensor, a much higher 7680x4320 video definition, a larger camera aperture to take better captures and videos in low-light situations and a lot better 64 mega-pixels resolution back facing camera.
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