Compare phones
| Global Score | |
| 73.4 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 12 | Android 10 |
| -- | 2020-06-29 |
| -- | 6.61 x 3.02 x 0.32 inches |
| -- | 6.81 ounces |
| -- | Black |
| Aluminum and Glass | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| -- | 6.5 inches |
| -- | 1600 x 720 pixels |
| -- | IPS LCD |
| 431 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 1 Plus (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Yes GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 108.00 MP | 16.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.69 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| -- | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 1.36 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A21 has an overall score of 76.1, which is just a bit better than Galaxy Z Fold 4's global score of 73.4. These phones work with Android OS (operating system), but the Samsung Galaxy A21 has an older 10 version while Galaxy Z Fold 4 has Android 12. Galaxy A21 has a much faster processing unit than Galaxy Z Fold 4, although it has lesser RAM memory, they both have the same number of cores.
Samsung Galaxy A21 has a display that's just as good as the Galaxy Z Fold 4 one, although the Samsung Galaxy A21 has a way lower display density. The Galaxy A21 captures slightly better photographs and videos than Samsung Galaxy Z Fold 4, although it has a camera in the back with way less mega-pixels.
The Samsung Galaxy Z Fold 4 has a way bigger storage for games and applications than Samsung Galaxy A21, because although it has no SD extension slot, it also counts with 256 GB internal memory capacity. Galaxy A21 features a much better battery performance than Galaxy Z Fold 4.
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