Compare phones
| Global Score | |
| 91.8 | 80.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android |
| 2021-01-29 | -- |
| 5.97 x 2.80 x 0.31 inches | -- |
| 6.03 ounces | -- |
| Gray, Phantom pink, Violet and White | -- |
| Aluminum and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.8 inches |
| 2400 x 1080 pixels | 3088 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 501 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Gen 3 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Yes GPU |
| 9.63 | 6.21 |
| 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 | 200.00 MP + 12.00 MP |
| f/1.80 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 | 10.23 |
| 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 |
| 10.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Dual Nano SIM + eSIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 is much better than Galaxy S24 Ultra, getting a score of 91.8 against 80.2. The Galaxy S21 counts with Android 11 OS, while Galaxy S24 Ultra works with Android OS. Samsung Galaxy S21 counts with a really superior performance than Galaxy S24 Ultra. Both of them have the same RAM memory amount and a Octa-Core processor.
Galaxy S21 counts with a sharper display than Samsung Galaxy S24 Ultra, although it has a bit smaller display, a bit worse pixel count in each screen inch and a way worse resolution of 1080 x 2400px. Galaxy S21 counts with just a bit better camera than Samsung Galaxy S24 Ultra, although it has a back camera with much less megapixels resolution.
Samsung Galaxy S24 Ultra features a way bigger memory capacity to install applications and games or saving photos and videos than Galaxy S21, because it has 256 GB internal storage. The Galaxy S24 Ultra has greater battery life than Samsung Galaxy S21, because it has a 5000mAh battery capacity.
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