Compare phones
| Global Score | |
| 84.1 | 76.2 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | -- |
| 2020-03-23 | 2017-02-15 |
| 6.26 x 2.96 x 0.35 inches | 6.07 x 3.03 x 0.31 inches |
| 6.63 ounces | 6.00 ounces |
| Midnight blue and Raven black | Black, Pink and Silver |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.5 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 401 pixels per inch |
| 420 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.5 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 506 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 11.74 | 17.06 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 | -- |
| 11.55 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2, EDR |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor 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 3 Zoom's 76.2 score. The Samsung Galaxy M21 construction is notably newer, but just a little heavier and thicker than the Asus ZenFone 3 Zoom. The Asus ZenFone 3 Zoom features a bit more vivid screen than Samsung Galaxy M21, because although it has a little bit smaller display, a quite worse display density and a bit worse 1080 x 1920 resolution, it also counts with a quite brighter screen.
Samsung Galaxy M21 features a bit better processing power than Asus ZenFone 3 Zoom. Both of them have the same number of cores and 4 GB of RAM memory. The Samsung Galaxy M21 has a superior camera than Asus ZenFone 3 Zoom, because although it has a smaller diafragm aperture which is not good for capturing images or videos in low light situations, and they both have the same 30 fps video frame rate and the same 3840x2160 (4K) video resolution, the Samsung Galaxy M21 also counts with a back camera with a way higher 48 mega-pixels resolution and a way larger sensor which offers a much higher image and video quality.
The Asus ZenFone 3 Zoom counts with a superior memory capacity to install applications and games or saving photos and videos than Samsung Galaxy M21, because it has a slot for an SD memory card that holds up to 1,95 TB and more internal memory. The Galaxy M21 features better battery duration than Asus ZenFone 3 Zoom, because it has a 20 percent more battery size.
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