Compare phones
| Global Score | |
| 75.5 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-10-30 | 2020-03-23 |
| 6.18 x 2.98 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 6.17 ounces | 6.63 ounces |
| Black and White | Midnight blue and Raven black |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 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 540 GPU | Mali-G72 MP3 GPU |
| 9.45 | 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 | |
| 12.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.68 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| 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 much better than Asus ZenFone 4 Pro, having an 84.1 score against 75.5. These phones work with Android OS (operating system), but the Galaxy M21 has an older 11 version while Asus ZenFone 4 Pro has Android 8.0 Oreo version. Galaxy M21 is a extremely newer phone than Asus ZenFone 4 Pro, but it's a bit heavier and somewhat thicker.
The Samsung Galaxy M21 counts with a bit better screen than Asus ZenFone 4 Pro, because it has a bigger display, a little higher display pixels density and a slightly better 1080 x 2340px resolution. The Asus ZenFone 4 Pro has a lot bigger memory capacity to install games and applications than Galaxy M21, and although they both have the same 64 GB internal storage capacity, the Asus ZenFone 4 Pro also has an external memory card slot that admits a maximum of 1,95 TB.
The Asus ZenFone 4 Pro counts with a bit superior processing unit than Galaxy M21, and although they both have the same number of cores, the Asus ZenFone 4 Pro also has a larger amount of RAM. The Galaxy M21 features a superior battery life than Asus ZenFone 4 Pro, because it has a 6000mAh battery capacity.
Galaxy M21 has a superior camera than Asus ZenFone 4 Pro, because although it has a tinier camera aperture which is not recommended for low-light captures and video, and they both have the same 30 fps video frame rate and the same 3840x2160 video quality, the Galaxy M21 also counts with a much more MP camera in the back and a lot bigger back-facing camera sensor which gives a lot higher image and video quality.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.