Compare phones
| Global Score | |
| 98.1 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | -- |
| 2021-01-29 | 2018-03-16 |
| 6.50 x 2.98 x 0.35 inches | 5.81 x 2.70 x 0.33 inches |
| 8.04 ounces | 5.75 ounces |
| Phantom black and Silver | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 158.00 |
| Display / Screen | |
| 6.8 inches | 5.8 inches |
| 3200 x 1440 pixels | 2960 x 1440 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 568 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 630 GPU |
| 9.72 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 10.1 | 11.34 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.50 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 10.23 |
| 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 | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| 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 | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is better than Galaxy S9, having a 98.1 score against 83.3. Samsung Galaxy S21 Ultra's design is newer, but just a bit thicker and incredibly heavier than the Galaxy S9. Galaxy S21 Ultra has a bit better hardware performance than Samsung Galaxy S9, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has 8 GB more RAM memory.
Samsung Galaxy S21 Ultra counts with a brighter screen than Galaxy S9, because although it has a little worse screen pixels density, it also counts with a bit higher resolution of 1440 x 3200 pixels and a bigger display. The Galaxy S9 features more storage to install games and applications than Samsung Galaxy S21 Ultra, because although it has 0 less internal storage, it also counts with a slot for SD memory cards that holds up to 400 GB.
Galaxy S21 Ultra counts with a way better battery duration than Samsung Galaxy S9, because it has a 67% larger battery capacity. The Galaxy S21 Ultra has a very superior camera than Galaxy S9, because although it has a tinier diafragm aperture which is not favorable for low light photography and videos, it also counts with a much larger sensor, a back-facing camera with a much better 108 mega pixels resolution and a much higher video definition.
Although Galaxy S21 Ultra is a better device, it costs a lot more than the Samsung Galaxy S9, and it doesn't have such a good price and quality relation as the Samsung Galaxy S9. If you want to save a few dollars, you can buy the Samsung Galaxy S9, and give up a couple features, but you will get the most out of your money.
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