Compare phones
| Global Score | |
| 84.1 | 97.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 9.0 Pie |
| 2020-03-23 | 2019-09-27 |
| 6.26 x 2.96 x 0.35 inches | 6.33 x 4.64 x 0.27 inches |
| 6.63 ounces | 9.74 ounces |
| Midnight blue and Raven black | Cosmos black and Space silver |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| -- | $ 1980.00 |
| Display / Screen | |
| 6.4 inches | 7.3 inches |
| 2340 x 1080 pixels | 2152 x 1536 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 362 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.50 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 | 10.23 |
| 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 | 4380mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.24 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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
Galaxy Fold is better than the Galaxy M21, having a score of 97.6 against 84.1. Both devices in this review come with Android OS (Operating System), but Galaxy Fold has the newer 9.0 Pie version and Galaxy M21 has Android 11, so it provides some nice extra features and performance optimizations. Even though the Galaxy Fold and Galaxy M21 were only released with a couple months difference, the Galaxy Fold body is incredibly heavier but also much thinner.
Galaxy M21 features a little bit better screen than Samsung Galaxy Fold, because although it has a quite smaller screen and a bit lower 1080 x 2340px resolution, it also counts with a just a bit better pixel quantity in each display inch. The Galaxy Fold counts with much more storage capacity for applications and games than Samsung Galaxy M21, because although it has no slot for an SD memory card, it also counts with 448 GB more internal memory.
Samsung Galaxy Fold counts with just a little better processing power than Samsung Galaxy M21, and although they both have 8 cpu cores, the Samsung Galaxy Fold also has 8 GB more RAM. Samsung Galaxy M21 counts with a much better camera than Galaxy Fold, because although it has a way smaller camera aperture which is not so good for shooting photos in poorly lited situations and worse video frame rates, and they both have the same 3840x2160 video resolution, the Samsung Galaxy M21 also counts with a way larger camera sensor capturing much higher quality videos and photographs and a way more megapixels camera in the back.
Galaxy M21 has a really longer battery life than Samsung Galaxy Fold, because it has 6000mAh of battery capacity against 4380mAh.
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