Compare phones
| Global Score | |
| 90.6 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-11 | 2020-08-06 |
| 6.23 x 5.04 x 0.25 inches | 6.27 x 2.93 x 0.37 inches |
| 9.56 ounces | 7.16 ounces |
| Phantom Black, Phantom Green and Phantom Silver | Mirage black and Mirage blue |
| Aluminum and Glass | -- |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.6 inches | 6.5 inches |
| 2208 x 1768 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 372 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Samsung Exynos 9611 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.36 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 12.00 MP + 4.00 MP | 64.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 7.7 | 12.1 |
| 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 | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 7.52 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy Z Fold 3 has an overall score of 90.6, which is a little bit better than Samsung Galaxy M31s's 88 global score. Both of these phones include the same Android 11 OS. Samsung Galaxy Z Fold 3's body is newer and notably thinner, but extremely heavier than Samsung Galaxy M31s. The Galaxy Z Fold 3 counts with just a little better performance than Galaxy M31s, and although they both have a Octa-Core processing unit, the Galaxy Z Fold 3 also has 6 GB more RAM.
Galaxy M31s counts with a bit better screen than Galaxy Z Fold 3, because although it has a little bit smaller screen and a bit lower resolution of 1080 x 2400px, it also counts with a just a bit better display pixel density. The Galaxy M31s shoots much clearer photographs and videos than Galaxy Z Fold 3, because it has a back-facing camera with much more MP and a larger diafragm aperture.
Samsung Galaxy M31s features a little bit better memory capacity to store more apps and games than Galaxy Z Fold 3, because although it has only 128 GB internal storage, it also counts with a slot for external memory cards that admits a maximum of 512 GB. The Galaxy M31s features a much longer battery lifetime than Galaxy Z Fold 3, because it has a 6000mAh battery size instead of 4400mAh.
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