Compare phones
| Global Score | |
| 77.8 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 9.0 Pie | Android 11, 10 |
| 2019-05-25 | 2020-03-23 |
| 6.26 x 2.97 x 0.36 inches | 6.26 x 2.96 x 0.35 inches |
| 6.70 ounces | 6.63 ounces |
| Black and Silver | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 403 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 11.74 |
| Camera | |
| 48.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) 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 |
| 11.22 | 11.55 |
| 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 |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0, EDR | 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 | FM Radio |
Comparison review
The Galaxy M21 is just a bit better than the Asus ZenFone 6 (2019), with an 84.1 score against 77.8. Galaxy M21 is a newer cellphone, and it is also just a little lighter and a little thinner than Asus ZenFone 6 (2019). Both of these phones use the same Android 11 OS, so you shouldn't notice any differences regarding OS features.
Asus ZenFone 6 (2019) has a bit more powerful processing unit than Galaxy M21, and although they both have the same number of cores, the Asus ZenFone 6 (2019) also has a larger amount of RAM. Samsung Galaxy M21 counts with a bit sharper display than Asus ZenFone 6 (2019). Both of them have a higher pixel count per inch in the display, the same exact resolution of 1080 x 2340 and a screen of the same size.
Asus ZenFone 6 (2019) has a much greater storage to install applications and games than Samsung Galaxy M21, and although they both have the same internal memory, the Asus ZenFone 6 (2019) also has a SD card slot that admits up to 1,95 TB. The Galaxy M21 captures a bit better photographs and videos than Asus ZenFone 6 (2019), although it has a smaller aperture which is not recommended for low light captures and videos and lower 30 fps video frame rate, they both have the same resolution back camera, a 0.5 inches sensor and the same 3840x2160 video resolution.
The Galaxy M21 has longer battery life than Asus ZenFone 6 (2019), because it has a 6000mAh battery capacity instead of 5000mAh.
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