Compare phones
| Global Score | |
| 74.5 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11, 10 |
| 2018-05-01 | 2020-03-23 |
| 6.02 x 2.98 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 5.82 ounces | 6.63 ounces |
| Blue and Silver | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 2246 x 1080 pixels | 2340 x 1080 pixels |
| Super IPS+ LCD | Super AMOLED |
| 402 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Exynos 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 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 509 GPU | Mali-G72 MP3 GPU |
| 9 | 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/1.80 aperture | f/2.00 aperture |
| 24.00mm 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 |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 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 | |
| 3300mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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 Samsung Galaxy M21 has a general score of 84.1, which is better than Asus ZenFone 5 (ZE620KL)'s general score of 74.5. Both of these phones use Android OS (operating system), but Samsung Galaxy M21 has an older 11 version while Asus ZenFone 5 (ZE620KL) has Android 9.0 Pie version. Samsung Galaxy M21's body is newer, but heavier and somewhat thicker than Asus ZenFone 5 (ZE620KL).
The Asus ZenFone 5 (ZE620KL) counts with just a bit better looking screen than Galaxy M21, because although it has a quite lower resolution of 1080 x 2246px, a just a bit worse pixels count per inch in the screen and a little smaller screen, it also counts with a brighter screen. Samsung Galaxy M21 has a bit more powerful processor than Asus ZenFone 5 (ZE620KL), although it has a lower amount of RAM memory, they both have the same number of cores.
Galaxy M21 shoots much better photos and videos than Asus ZenFone 5 (ZE620KL), because although it has a tinier aperture which is not recommended for low light images and video, and they both have the same 3840x2160 video quality and the same 30 frames per second video frame rate, the Galaxy M21 also counts with a much more mega pixels back camera and a lot bigger back camera sensor.
The Asus ZenFone 5 (ZE620KL) features a superior storage capacity for applications and games than Galaxy M21, and although they both have equal 64 GB internal memory, the Asus ZenFone 5 (ZE620KL) also has a SD memory card expansion slot that admits up to 1,95 TB. The Galaxy M21 features a much better battery performance than Asus ZenFone 5 (ZE620KL), because it has a 6000mAh battery capacity instead of 3300mAh.
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