Compare phones
| Global Score | |
| 81.3 | 90.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11 |
| 2020-04-27 | 2021-08-11 |
| 6.27 x 2.88 x 0.34 inches | 6.23 x 5.04 x 0.25 inches |
| 6.53 ounces | 9.56 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Phantom Black, Phantom Green and Phantom Silver |
| Plastic | Aluminum and Glass |
| Display / Screen | |
| 6.4 inches | 7.6 inches |
| 2400 x 1080 pixels | 2208 x 1768 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 4.00 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 10.89 | 7.7 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.24 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy Z Fold 3 has a global score of 90.6, which is better than Galaxy A31's 81.3 overall score. The Galaxy Z Fold 3 design is newer and much thinner than the Galaxy A31's, although it is also way heavier. Both phones in this review work with Android operating system, but Galaxy Z Fold 3 has a newer 11 version while Galaxy A31 has Android 10, offering some nice extra features and performance improvements.
The Galaxy A31 has a bit sharper display than Samsung Galaxy Z Fold 3, because although it has a little lower resolution of 1080 x 2400 and a little smaller display, it also counts with a just a bit more pixels per inch of display. The Galaxy Z Fold 3 counts with just a little better performance than Galaxy A31, and although they both have 8 CPU cores, the Galaxy Z Fold 3 also has a greater amount of RAM memory.
The Galaxy Z Fold 3 features more storage to store more games and applications than Galaxy A31, because although it has no external memory card slot, it also counts with more internal storage capacity. The Galaxy A31 counts with a bit better battery life than Samsung Galaxy Z Fold 3, because it has a 14 percent more battery size.
The Samsung Galaxy A31 counts with a lot better camera than Galaxy Z Fold 3, because it has a larger aperture for better images and videos in low-light environments and a much higher 48 megapixels resolution camera.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.