Compare phones
| Global Score | |
| 90.6 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 10 |
| 2021-08-11 | 2020-06-19 |
| 6.23 x 5.04 x 0.25 inches | 6.44 x 2.96 x 0.35 inches |
| 9.56 ounces | 6.77 ounces |
| Phantom Black, Phantom Green and Phantom Silver | Black, Blue, Red and White |
| Aluminum and Glass | -- |
| Display / Screen | |
| 7.6 inches | 6.5 inches |
| 2208 x 1768 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 372 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Samsung Exynos 850 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali-G76 GPU |
| 9.72 | 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 | |
| 12.00 MP + 4.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 7.7 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4400mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy Z Fold 3 has a global score of 90.6, which is better than the Samsung Galaxy A21s's score of 77.7. Both of these phones come with Android operating system, but the Galaxy Z Fold 3 has a more recent 11 version while Samsung Galaxy A21s has Android 10 version. The Galaxy Z Fold 3 body is newer and way thinner than the Samsung Galaxy A21s's, but it's a lot heavier.
Galaxy Z Fold 3 counts with a bit superior processor than Galaxy A21s, and although they both have the same number of cores, the Galaxy Z Fold 3 also has a greater amount of RAM. The Samsung Galaxy Z Fold 3 has a brighter screen than Samsung Galaxy A21s, because it has a larger display, a higher pixels amount per inch in the display and a way higher 1768 x 2208 resolution.
The Galaxy A21s has a greater camera than Samsung Galaxy Z Fold 3, because it has a bigger aperture to capture better photos in low light environments and a back camera with a much better 48 megapixels resolution. The Galaxy Z Fold 3 has a very superior memory capacity to store more games and applications than Samsung Galaxy A21s, because although it has no external memory slot, it also counts with 256 GB internal storage.
Samsung Galaxy A21s counts with just a little bit longer battery duration than Galaxy Z Fold 3, because it has a 14 percent bigger battery capacity.
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