Compare phones
| Global Score | |
| 73.4 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 12 | Android 10 |
| -- | 2020-06-19 |
| -- | 6.44 x 2.96 x 0.35 inches |
| -- | 6.77 ounces |
| -- | Black, Blue, Red and White |
| Aluminum and Glass | -- |
| Display / Screen | |
| -- | 6.5 inches |
| -- | 1600 x 720 pixels |
| -- | TFT |
| 431 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 1 Plus (4 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Yes GPU | Mali-G76 GPU |
| 6.21 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.69 | 10.78 |
| 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, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| -- | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 1.36 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is slightly better than the Galaxy Z Fold 4, having a general score of 77.7 against 73.4. Both devices in this comparison review come with Android OS, but Galaxy A21s has the older 10 version while Galaxy Z Fold 4 has Android 12 version. The Samsung Galaxy A21s features a very superior processing unit than Galaxy Z Fold 4, although it has a lower amount of RAM memory, they both have 8 CPU cores.
Samsung Galaxy Z Fold 4 counts with a slightly better looking display than Samsung Galaxy A21s, because it has a lot better count of pixels per inch of display. The Samsung Galaxy A21s shoots greater photographs and videos than Samsung Galaxy Z Fold 4, although it has a camera with much less megapixels resolution.
The Galaxy Z Fold 4 has a lot bigger storage for apps and games than Galaxy A21s, because although it has no slot for an external memory card, it also counts with 256 GB internal memory. Galaxy A21s counts with a very superior battery life than Galaxy Z Fold 4.
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