Compare phones
| Global Score | |
| 84.1 | 94.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-03-23 | 2020-09-18 |
| 6.26 x 2.96 x 0.35 inches | 6.27 x 5.05 x 0.27 inches |
| 6.63 ounces | 9.95 ounces |
| Midnight blue and Raven black | Mystic black and Mystic bronze |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| -- | $ 1930.00 |
| Display / Screen | |
| 6.4 inches | 7.6 inches |
| 2340 x 1080 pixels | 2208 x 1768 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 372 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| 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 + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.45 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy Z Fold 2 has an overall score of 94.6, which is better than Galaxy M21's 84.1 score. Even though Samsung Galaxy Z Fold 2 and Galaxy M21 were only released with a few months difference, the Samsung Galaxy Z Fold 2 construction is much heavier but also way thinner than Galaxy M21. Both of these devices have the same Android 11 OS (operating system).
The Samsung Galaxy Z Fold 2 has a bit superior processor than Samsung Galaxy M21, and although they both have a Octa-Core processing unit, the Samsung Galaxy Z Fold 2 also has a higher amount of RAM. Samsung Galaxy M21 has a bit more vivid display than Samsung Galaxy Z Fold 2, because although it has a quite smaller screen and a lot lower resolution of 1080 x 2340, it also counts with a just a bit greater pixels amount in each inch of display.
Galaxy Z Fold 2 has more storage capacity to install applications and games or saving photos and videos than Galaxy M21, because although it has no SD card slot, it also counts with 256 GB internal storage capacity. Galaxy M21 has a superior camera than Galaxy Z Fold 2, because although it has a tinier back camera sensor offering a worse image quality, slower 30 fps video frame rates and a tinier aperture, and they both have the same 3840x2160 video quality, the Galaxy M21 also counts with a way more mega-pixels back-facing camera.
Samsung Galaxy M21 has longer battery duration than Samsung Galaxy Z Fold 2, because it has a 33 percent more battery capacity.
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