Compare phones
| Global Score | |
| 77.7 | 94.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-06-19 | 2020-09-18 |
| 6.44 x 2.96 x 0.35 inches | 6.27 x 5.05 x 0.27 inches |
| 6.77 ounces | 9.95 ounces |
| Black, Blue, Red and White | Mystic black and Mystic bronze |
| -- | Aluminum and Glass |
| -- | $ 1930.00 |
| Display / Screen | |
| 6.5 inches | 7.6 inches |
| 1600 x 720 pixels | 2208 x 1768 pixels |
| TFT | Dynamic AMOLED |
| 270 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy Z Fold 2 is way better than Samsung Galaxy A21s, getting a overall score of 94.6 against 77.7. Both of these phones include Android OS (Operating System), but the Samsung Galaxy Z Fold 2 has a more recent 11 version and Samsung Galaxy A21s has Android 10, offering a couple nice extra features and performance tweaks. Even though the Samsung Galaxy Z Fold 2 and the Samsung Galaxy A21s were released with only a couple months difference, the Samsung Galaxy Z Fold 2 body is incredibly thinner but much heavier.
Galaxy Z Fold 2 has a little faster processing unit than Samsung Galaxy A21s, and although they both have a Octa-Core CPU, the Galaxy Z Fold 2 also has a higher amount of RAM memory. Galaxy Z Fold 2 has a much better looking display than Galaxy A21s, because it has a higher display density, a bigger screen and a lot better resolution of 1768 x 2208.
Galaxy A21s has a little bit better camera than Samsung Galaxy Z Fold 2, because although it has a smaller camera sensor shooting worse quality pictures, a tinier aperture which is worse for low light photos and videos and slower video frame rates, and they both have the same (Full HD) video resolution, the Galaxy A21s also counts with a back camera with a much better resolution.
Galaxy Z Fold 2 features a lot bigger storage to store more games and applications than Samsung Galaxy A21s, because although it has no SD memory slot, it also counts with more internal memory capacity. Samsung Galaxy A21s features just a little bit longer battery performance than Samsung Galaxy Z Fold 2, because it has 5000mAh of battery capacity against 4500mAh.
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