Compare phones
| Global Score | |
| 88.5 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 12, 11, 10 | Android 10 |
| 2020-02-14 | 2020-06-29 |
| 6.59 x 2.90 x 0.28 inches | 6.61 x 3.02 x 0.32 inches |
| 6.46 ounces | 6.81 ounces |
| Mirror black and Mirror purple | Black |
| Aluminum | Plastic and Plastic |
| $ 1380.00 | $ 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 855+ SM8150-AC (7 nm) chipset | Mediatek Helio P35 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | PowerVR GE8320 GPU |
| 9.72 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.28 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy Z Flip is much better than Samsung Galaxy A21, getting an 88.5 score against 76.1. These devices have Android OS (operating system), but Galaxy Z Flip has a newer 12 version while Samsung Galaxy A21 has Android 10 version, so it counts with some extra features. The Galaxy Z Flip body is a bit lighter and somewhat thinner than the Samsung Galaxy A21, even though both of them were released only a couple months apart.
Samsung Galaxy Z Flip counts with a more vivid display than Galaxy A21, because it has a much better display pixels density, a much better resolution of 1080 x 2636 and a little bit larger display. The Galaxy Z Flip counts with a much bigger storage capacity to install applications and games than Samsung Galaxy A21, because although it has no SD extension slot, it also counts with 256 GB internal memory capacity.
Galaxy Z Flip counts with just a little better hardware performance than Samsung Galaxy A21, and although they both have 8 CPU cores, the Galaxy Z Flip also has a larger amount of RAM memory. The Galaxy A21 counts with superior battery life than Samsung Galaxy Z Flip, because it has 4000mAh of battery capacity against 3300mAh.
Galaxy Z Flip has just a bit better camera than Galaxy A21, because although it has a back camera with lot less megapixels resolution, and they both have a same size camera aperture, the Galaxy Z Flip also counts with a bigger camera sensor capturing better quality videos and photographs and a lot higher 3840x2160 (4K) video quality.
Although Samsung Galaxy Z Flip is a better device, it costs a lot more money than the Galaxy A21, and it doesn't have such a good price and quality relation as the Galaxy A21. If you want to save some money, you can get Galaxy A21, letting go a few features and specifications, but you'll get the most out of your budget.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.