Compare phones
| Global Score | |
| 84.1 | 79.8 |
| Basic Information | |
| Samsung | Motorola |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2020-03-23 | 2019-06-06 |
| 6.26 x 2.96 x 0.35 inches | 6.22 x 2.95 x 0.29 inches |
| 6.63 ounces | 5.82 ounces |
| Midnight blue and Raven black | Gray and White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 500.00 |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 403 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 675 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 612 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 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 25.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") 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 | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M21 has a score of 84.1, which is just a bit better than Moto Z4's 79.8 overall score. Both phones in our current comparison come with Android OS (operating system), but the Samsung Galaxy M21 has a more recent 11 version and Moto Z4 has Android 10. The Samsung Galaxy M21 body is newer than Moto Z4's, but it is thicker and heavier.
The Galaxy M21 has a bit more powerful processing unit than Moto Z4. Both of them have 8 cpu cores and the same RAM amount. The Samsung Galaxy M21 has a little sharper display than Moto Z4. They have a display with the same size, the same exact resolution of 1080 x 2340 and a greater pixel number per screen inch.
Moto Z4 features a much greater memory to store more apps and games than Galaxy M21, and although they both have an external memory slot that allows up to 512 GB, the Moto Z4 also has 128 GB internal storage capacity. Galaxy M21 and Motorola Moto Z4 have similar cameras, and although the Motorola Moto Z4 has a bigger diafragm aperture to capture better low light images and video, they both have the same resolution camera in the back, the same 3840x2160 video resolution, the same video frame rates and a same size sensor.
The Galaxy M21 counts with a superior battery life than Moto Z4, because it has a 6000mAh battery capacity.
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