Compare phones
| Global Score | |
| 94.6 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-09-18 | 2020-03-23 |
| 6.27 x 5.05 x 0.27 inches | 6.26 x 2.96 x 0.35 inches |
| 9.95 ounces | 6.63 ounces |
| Mystic black and Mystic bronze | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 1930.00 | -- |
| Display / Screen | |
| 7.6 inches | 6.4 inches |
| 2208 x 1768 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 372 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250-AB chipset | Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.45 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy Z Fold 2 is better than the Galaxy M21, having a global score of 94.6 against 84.1. Both of these phones work with the same Android 11 OS, so you shouldn't see any difference in that aspect. Although Galaxy Z Fold 2 and Galaxy M21 were released only 6 months apart, the Galaxy Z Fold 2 body is incredibly heavier but also notably thinner.
The Galaxy Z Fold 2 counts with a little better processing power than Galaxy M21, and although they both have a Octa-Core processor, the Galaxy Z Fold 2 also has a larger amount of RAM memory. The Samsung Galaxy M21 has a little bit better screen than Samsung Galaxy Z Fold 2, because although it has a little bit smaller screen and a lot lower 1080 x 2340 resolution, it also counts with a quite greater display pixels density.
The Galaxy M21 shoots much better photographs and videos than Samsung Galaxy Z Fold 2, because although it has a tinier camera aperture which is not so good for capturing photographs or video in low-light situations, a smaller sensor capturing lower quality photographs and videos and worse 30 frames per second video frame rates, and they both have the same video resolution, the Galaxy M21 also counts with a much more MP back facing camera.
The Galaxy Z Fold 2 counts with a quite bigger memory for games and applications than Galaxy M21, because although it has no slot for an SD memory card, it also counts with 192 GB more internal memory capacity. Samsung Galaxy M21 counts with superior battery duration than Galaxy Z Fold 2, because it has a 6000mAh battery capacity against 4500mAh.
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