Compare phones
| Global Score | |
| 91.8 | 90.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-08-11 |
| 5.97 x 2.80 x 0.31 inches | 6.23 x 5.04 x 0.25 inches |
| 6.03 ounces | 9.56 ounces |
| Gray, Phantom pink, Violet and White | Phantom Black, Phantom Green and Phantom Silver |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 7.6 inches |
| 2400 x 1080 pixels | 2208 x 1768 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 372 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.00 MP + 4.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 7.7 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.24 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 has an overall score of 91.8, which is a little bit better than the Samsung Galaxy Z Fold 3's 90.6 general score. Although Galaxy S21 and Samsung Galaxy Z Fold 3 were released only a couple of months apart, the Galaxy S21 construction is thicker but also much lighter than Samsung Galaxy Z Fold 3. These phones work with the same Android 11 OS, so both should provide very similar OS features.
The Samsung Galaxy Z Fold 3 features a little better performance than Galaxy S21, and although they both have 8 processing cores, the Samsung Galaxy Z Fold 3 also has a higher amount of RAM memory. Galaxy S21 features a better display than Samsung Galaxy Z Fold 3, because although it has a bit smaller screen and a little bit lower 1080 x 2400 resolution, it also counts with a just a bit greater quantity of pixels per inch of screen.
Samsung Galaxy Z Fold 3 features a superior memory capacity for apps and games than Galaxy S21, because it has 256 GB internal memory. The Samsung Galaxy Z Fold 3 has a bit better battery performance than Samsung Galaxy S21, because it has a 4400mAh battery capacity. Galaxy S21 takes a lot better pictures and videos than Galaxy Z Fold 3, and although they both have a same resolution back-facing camera, the Galaxy S21 also has a bigger aperture to capture better captures and video in poorly lited situations.
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