Compare phones
| Global Score | |
| 79.8 | 77.7 |
| Basic Information | |
| Motorola | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-06-06 | 2020-06-19 |
| 6.22 x 2.95 x 0.29 inches | 6.44 x 2.96 x 0.35 inches |
| 5.82 ounces | 6.77 ounces |
| Gray and White | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| $ 500.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| OLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 675 chipset | Samsung Exynos 850 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 612 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 9.84 |
| Camera | |
| 48.00 MP + 25.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | -- |
| 11.55 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3600mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Motorola Moto Z4 is slightly better than Galaxy A21s, having a global score of 79.8 against 77.7. Both of these phones include the same Android 10 OS (operating system), so you shouldn't perceive any differences in that aspect. Despite of the fact that Motorola Moto Z4 is older than Galaxy A21s, it's body is thinner and lighter.
The Motorola Moto Z4 counts with a more vivid screen than Galaxy A21s, because although it has a little bit smaller screen, it also counts with a greater pixels amount per inch of screen and a lot higher resolution of 1080 x 2340 pixels. The Motorola Moto Z4 has a superior memory for applications and games than Samsung Galaxy A21s, and although they both have an external memory card slot that admits a maximum of 512 GB, the Motorola Moto Z4 also has 128 GB internal storage capacity.
Galaxy A21s has a processing unit that's very similar to the CPU in Moto Z4, and although the Galaxy A21s has a smaller amount of RAM memory, they both have a Octa-Core CPU. Moto Z4 shoots clearer videos and photos than Samsung Galaxy A21s, and although they both have a same size back camera sensor and a same resolution back facing camera, the Moto Z4 also has a much higher 3840x2160 video quality and a larger diafragm aperture.
Samsung Galaxy A21s has a way better battery lifetime than Motorola Moto Z4, because it has a 5000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.