Compare phones
| Global Score | |
| 98.1 | 90.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-08-11 |
| 6.50 x 2.98 x 0.35 inches | 6.23 x 5.04 x 0.25 inches |
| 8.04 ounces | 9.56 ounces |
| Phantom black and Silver | Phantom Black, Phantom Green and Phantom Silver |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 7.6 inches |
| 3200 x 1440 pixels | 2208 x 1768 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 372 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 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 |
| 12 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.72 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 4.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 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 | |
| 5000mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.24 |
| Other Features | |
| Bluetooth 5.1 | 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
Galaxy S21 Ultra is a little bit better than Samsung Galaxy Z Fold 3, with a global score of 98.1 against 90.6. Both of these devices include the same Android 11 OS, so they should provide all the same OS features. The Galaxy S21 Ultra construction is notably thicker but lighter than Samsung Galaxy Z Fold 3, and both were only released with a couple of months difference.
The Samsung Galaxy Z Fold 3 features a processing unit that's just as good as Galaxy S21 Ultra's processor, both of them have the same RAM memory amount and the same number of cores. The Samsung Galaxy S21 Ultra features a much better looking screen than Galaxy Z Fold 3, because although it has a little smaller screen, it also counts with a bit higher resolution of 1440 x 3200px and a better screen pixel density.
Samsung Galaxy S21 Ultra has a greater camera than Samsung Galaxy Z Fold 3, because it has a bigger aperture to take better captures in poorly lited situations and a back facing camera with lot more megapixels. The Galaxy Z Fold 3 counts with a much bigger storage for applications, games, photos and videos than Galaxy S21 Ultra, because it has 128 GB more internal storage.
Galaxy S21 Ultra has just a bit longer battery duration than Galaxy Z Fold 3, because it has a 14 percent larger battery size.
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