Compare phones
| Global Score | |
| 97.6 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie | Android 11, 10 |
| 2019-09-27 | 2020-03-23 |
| 6.33 x 4.64 x 0.27 inches | 6.26 x 2.96 x 0.35 inches |
| 9.74 ounces | 6.63 ounces |
| Cosmos black and Space silver | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 1980.00 | -- |
| Display / Screen | |
| 7.3 inches | 6.4 inches |
| 2152 x 1536 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 362 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 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 640 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 512 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.50 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") 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 |
| 10.23 | 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 | |
| 4380mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.24 | 7.52 |
| Other Features | |
| Bluetooth 5.0, EDR | 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
Samsung Galaxy Fold has a score of 97.6, which is much better than Galaxy M21's score of 84.1. Both of these phones have Android OS (Operating System), but the Samsung Galaxy Fold has the newer 9.0 Pie version while Galaxy M21 has Android 11 version, so it provides the user a couple additional features and performance enhancements. The Samsung Galaxy Fold body is a lot thinner but notably heavier than Galaxy M21, and both were released only a few months apart.
The Samsung Galaxy Fold features a bit better hardware performance than Samsung Galaxy M21, and although they both have 8 cpu cores, the Samsung Galaxy Fold also has 8 GB more RAM memory. Galaxy M21 features a little more vivid screen than Galaxy Fold, because although it has a bit smaller screen and a bit lower resolution of 1080 x 2340 pixels, it also counts with a just a little greater screen pixels density.
The Galaxy Fold has a much better memory to install applications and games or saving photos and videos than Galaxy M21, because although it has no external memory card slot, it also counts with more internal storage. The Galaxy M21 has a superior camera than Samsung Galaxy Fold, because although it has slower 30 frames per second video frame rates and a much tinier diafragm aperture, and they both have the same (4K) video quality, the Galaxy M21 also counts with a much larger camera sensor providing a lot better image quality and a much better resolution back camera.
The Samsung Galaxy M21 has a much better battery duration than Galaxy Fold, because it has a 37% more battery capacity.
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