Compare phones
| Global Score | |
| 88.5 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 12, 11, 10 | Android 10 |
| 2020-02-14 | 2020-06-19 |
| 6.59 x 2.90 x 0.28 inches | 6.44 x 2.96 x 0.35 inches |
| 6.46 ounces | 6.77 ounces |
| Mirror black and Mirror purple | Black, Blue, Red and White |
| Aluminum | -- |
| $ 1380.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2636 x 1080 pixels | 1600 x 720 pixels |
| Dynamic AMOLED | TFT |
| 425 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC (7 nm) chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 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 + 10.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.23 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 Flip is much better than Galaxy A21s, with a general score of 88.5 against 77.7. Both devices in our current comparison come with Android operating system, but Galaxy Z Flip has newer 12 version and Galaxy A21s has Android 10, so it provides you a lot of extra features and performance tweaks. Galaxy Z Flip is a thinner and just a little lighter cellphone than the Galaxy A21s, even though both were released only 4 months apart.
The Samsung Galaxy Z Flip counts with a brighter screen than Galaxy A21s, because it has a much higher pixel density, a bit bigger screen and a lot higher 1080 x 2636 resolution. The Galaxy Z Flip features a very superior storage for applications and games than Samsung Galaxy A21s, because although it has no slot for an SD memory card, it also counts with 224 GB more internal memory capacity.
Samsung Galaxy Z Flip has a bit better CPU than Galaxy A21s, and although they both have the same number of cores, the Samsung Galaxy Z Flip also has a greater amount of RAM memory. Samsung Galaxy A21s has a very superior battery performance than Galaxy Z Flip, because it has a 52 percent more battery size.
Samsung Galaxy A21s features a little bit better camera than Galaxy Z Flip, because although it has slower video frame rate and a smaller aperture which is not good for shooting photos and videos in low light situations, and they both have the same 1920x1080 video resolution, the Samsung Galaxy A21s also counts with a much larger back-facing camera sensor taking way higher quality photos and videos and a camera in the back with lot more mega-pixels.
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