Compare phones
| Global Score | |
| 84.1 | 90.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-08-11 |
| 6.26 x 2.96 x 0.35 inches | 6.23 x 5.04 x 0.25 inches |
| 6.63 ounces | 9.56 ounces |
| Midnight blue and Raven black | Phantom Black, Phantom Green and Phantom Silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 7.6 inches |
| 2340 x 1080 pixels | 2208 x 1768 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 372 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 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 | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | -- |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 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 | |
| 6000mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.24 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 3 is just a bit better than Samsung Galaxy M21, having a 90.6 score against 84.1. Even though the Samsung Galaxy Z Fold 3 is noticeably heavier than the Samsung Galaxy M21, it's a lot thinner and also newer. Both phones in this comparison review include the same Android 11 OS (operating system), so you shouldn't see any difference regarding OS features.
Samsung Galaxy Z Fold 3 features a bit more powerful processing unit than Galaxy M21, and although they both have 8 CPU cores, the Samsung Galaxy Z Fold 3 also has more RAM. Samsung Galaxy M21 features a little sharper display than Galaxy Z Fold 3, because although it has a bit smaller screen and a much lower 1080 x 2340 pixels resolution, it also counts with a bit more pixels per inch of display.
Galaxy Z Fold 3 features a better memory to store more games and applications than Galaxy M21, because although it has no slot for SD memory cards, it also counts with more internal storage. Galaxy M21 features a much better camera than Galaxy Z Fold 3, because it has a bigger aperture and a back camera with a lot better resolution.
Galaxy M21 features a way better battery lifetime than Galaxy Z Fold 3, because it has a 6000mAh battery size.
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