Compare phones
| Global Score | |
| 83.9 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-09-01 | 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 |
| Aurora black and Pastel white | 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 |
| 700 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Exynos 9611 chipset |
| Kryo 585, 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 650 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.06 | 11.74 |
| Camera | |
| 64.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 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), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 is slightly better than the Asus ZenFone 7, having an 84.1 score against 83.9. Both of these devices use the same Android 11 operating system, so you shouldn't perceive any differences regarding OS features. Samsung Galaxy M21 is a lighter and a bit thinner cellphone than the Asus ZenFone 7, although both were released only 5 months apart.
The Asus ZenFone 7 features a bit superior processing unit than Galaxy M21, and although they both have a Octa-Core processor, the Asus ZenFone 7 also has a larger amount of RAM memory. The Asus ZenFone 7 has a slightly better looking screen than Samsung Galaxy M21, because although it has a quite worse display density, it also counts with a really brighter screen, a bit bigger display and a little higher resolution of 1080 x 2400 pixels.
Asus ZenFone 7 has a very superior memory for applications, games, photos and videos than Samsung Galaxy M21, because it has 128 GB internal memory and a slot for an external memory card that allows up to 1,95 TB. Asus ZenFone 7 has a slightly better camera than Galaxy M21, because it has a bigger camera sensor, a way higher 7680x4320 video resolution, a larger aperture to take better photos and video in poorly lited environments and a much more megapixels camera in the back.
Galaxy M21 features improved battery lifetime than Asus ZenFone 7, because it has a 20 percent greater battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.