Compare phones
| Global Score | |
| 84.1 | 85.5 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-05-13 |
| 6.26 x 2.96 x 0.35 inches | 6.50 x 3.04 x 0.38 inches |
| 6.63 ounces | 8.11 ounces |
| Midnight blue and Raven black | Galactic Black and Glacier Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 2 TB) external memory slot |
| 11.74 | 17.14 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 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 | |
| 6000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Asus ZenFone 8 Flip is a bit better than the Galaxy M21, with an 85.5 score against 84.1. Although Asus ZenFone 8 Flip is newer than the Galaxy M21, it is just a bit thicker and heavier. Both of these phones use the same Android 11 OS, so you shouldn't see any difference regarding that. Asus ZenFone 8 Flip counts with a bit more vivid display than Galaxy M21, because although it has a bit less pixels per screen inch, it also counts with a quite larger screen, a slightly higher resolution of 1080 x 2400 and a way brighter display.
The Asus ZenFone 8 Flip features a little better hardware performance than Samsung Galaxy M21, and although they both have 8 cores, the Asus ZenFone 8 Flip also has a larger amount of RAM memory. The Asus ZenFone 8 Flip has a superior memory capacity for games and applications than Samsung Galaxy M21, because it has an external memory card slot that supports up to 2 TB and more internal memory.
The Galaxy M21 features superior battery performance than Asus ZenFone 8 Flip, because it has 6000mAh of battery capacity. Asus ZenFone 8 Flip counts with a bit better camera than Galaxy M21, because it has a bigger sensor capturing more light and vivid colors, a way better 7680x4320 video definition, a camera with much more megapixels and a larger camera aperture.
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