Compare phones
| Global Score | |
| 90.6 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-11 | 2020-03-23 |
| 6.23 x 5.04 x 0.25 inches | 6.26 x 2.96 x 0.35 inches |
| 9.56 ounces | 6.63 ounces |
| Phantom Black, Phantom Green and Phantom Silver | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.6 inches | 6.4 inches |
| 2208 x 1768 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 372 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | 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 | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 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 + 4.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 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 |
| 7.7 | 11.55 |
| 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 Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | 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 3 has a score of 90.6, which is a little bit better than Samsung Galaxy M21's general score of 84.1. The Galaxy Z Fold 3 design is newer and notably thinner than Samsung Galaxy M21's, but it is incredibly heavier. Both devices in this comparison review use the same Android 11 OS, so both should provide the user very similar operating system features.
Galaxy M21 features a bit more vivid screen than Galaxy Z Fold 3, because although it has a way worse resolution of 1080 x 2340 pixels and a little bit smaller display, it also counts with a just a bit more pixels per screen inch. Samsung Galaxy Z Fold 3 features a bigger storage capacity for applications, games, photos and videos than Galaxy M21, because although it has no SD extension slot, it also counts with 256 GB internal storage capacity.
The Samsung Galaxy Z Fold 3 has a bit superior processor than Samsung Galaxy M21, and although they both have a Octa-Core processing unit, the Samsung Galaxy Z Fold 3 also has more RAM memory. The Samsung Galaxy M21 counts with a much longer battery performance than Samsung Galaxy Z Fold 3, because it has a 6000mAh battery capacity.
The Samsung Galaxy M21 shoots much clearer pictures and videos than Samsung Galaxy Z Fold 3, because it has a bigger diafragm aperture for better photography and videos in low light situations and a camera with way more mega pixels.
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