Compare phones
| Global Score | |
| 79.8 | 76.1 |
| Basic Information | |
| Motorola | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-06-06 | 2020-06-29 |
| 6.22 x 2.95 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.82 ounces | 6.81 ounces |
| Gray and White | Black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 500.00 | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| OLED | IPS LCD |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 675 chipset | Mediatek Helio P35 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 612 GPU | PowerVR GE8320 GPU |
| 9.09 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.3 | 6.7 |
| Battery Life | |
| 3600mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Moto Z4 is a little bit better than the Galaxy A21, with a global score of 79.8 against 76.1. Moto Z4 is an older phone than the Galaxy A21, but Motorola was able to make it lighter and just a bit thinner. Both phones in this review come with the same Android 10 OS (operating system). The Motorola Moto Z4 counts with a little sharper screen than Galaxy A21, because although it has a quite smaller display, it also counts with more pixels per display inch and a lot higher resolution of 1080 x 2340.
Samsung Galaxy A21 has just a bit better performance than Motorola Moto Z4, although it has 1 GB less RAM, they both have a Octa-Core processing unit. The Motorola Moto Z4 counts with a very superior memory capacity for games and applications than Galaxy A21, and although they both have an external SD slot that admits a maximum of 512 GB, the Motorola Moto Z4 also has 128 GB internal storage capacity.
Galaxy A21 has a little better battery performance than Moto Z4, because it has 4000mAh of battery capacity instead of 3600mAh. The Motorola Moto Z4 counts with a very superior camera than Samsung Galaxy A21, because it has a way bigger camera sensor taking way better quality pictures, a larger aperture, a back facing camera with way more megapixels and a lot better 3840x2160 (4K) video definition.
Although Moto Z4 is a better device, it costs a lot more than Galaxy A21, and it doesn't have such a good relation between it's price and quality as Galaxy A21. So if you want that extra specs and features, you can buy the Moto Z4, but if you don't you can save some dollars and buy the Galaxy A21, giving up a couple specifications.
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