Compare phones
| Global Score | |
| 85.6 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 10 |
| 2021-08-11 | 2020-06-29 |
| 6.54 x 2.84 x 0.27 inches | 6.61 x 3.02 x 0.32 inches |
| 6.46 ounces | 6.81 ounces |
| Cream, Lavender and Phantom Black | Black |
| Aluminum and Glass | Plastic and Plastic |
| $ 1000.00 | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2636 x 1080 pixels | 1600 x 720 pixels |
| Dynamic AMOLED | IPS LCD |
| 425 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Mediatek Helio P35 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 12.00 MP + 10.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 7.92 | 9.35 |
| 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 3300mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy Z Flip 3 is better than Galaxy A21, getting an 85.6 score against 76.1. These phones come with Android OS (Operating System), but the Samsung Galaxy Z Flip 3 has a newer 11 version while Galaxy A21 has Android 10. The Samsung Galaxy Z Flip 3 is a newer cellphone, and it's also a bit lighter and thinner than the Galaxy A21.
Samsung Galaxy Z Flip 3 counts with a bit faster CPU than Galaxy A21, and although they both have the same number of cores, the Samsung Galaxy Z Flip 3 also has 5 GB more RAM. The Galaxy Z Flip 3 counts with a much better display than Galaxy A21, because it has a quite larger screen, a lot higher resolution of 1080 x 2636 and a much better pixel density.
The Samsung Galaxy Z Flip 3 counts with a bit bigger memory capacity to install games and applications than Samsung Galaxy A21, because although it has no slot for external memory cards, it also counts with 128 GB internal storage. The Samsung Galaxy A21 counts with improved battery lifetime than Samsung Galaxy Z Flip 3, because it has 4000mAh of battery capacity.
Samsung Galaxy A21 counts with a better camera than Galaxy Z Flip 3, and although they both have a same size diafragm aperture, the Samsung Galaxy A21 also has a much more mega-pixels camera.
Although Galaxy Z Flip 3 is a better device, it is way more expensive than the Galaxy A21, and it doesn't have such a good price and quality relation as the Galaxy A21. So if you need that extra features, you can buy the Galaxy Z Flip 3, but if you don't you can save some money and buy the Galaxy A21, letting go a couple specifications.
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