Compare phones
| Global Score | |
| 83.3 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2018-03-16 | 2021-01-29 |
| 5.81 x 2.70 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 5.75 ounces | 8.04 ounces |
| Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 158.00 | $ 966.00 |
| Display / Screen | |
| 5.8 inches | 6.8 inches |
| 2960 x 1440 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 568 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 630 GPU | Adreno 660 GPU |
| 9.54 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 11.34 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.23 | 13.75 |
| 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 | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
The Galaxy S21 Ultra is much better than the Samsung Galaxy S9, with a 98.1 score against 83.3. The Galaxy S21 Ultra is a notably newer phone than Samsung Galaxy S9, although it is just a bit thicker and extremely heavier. Galaxy S21 Ultra counts with a more vivid display than Galaxy S9, because although it has a little less pixels per inch in the screen, it also counts with a quite better 1440 x 3200 resolution and a larger display.
The Samsung Galaxy S9 has a quite bigger storage capacity to install applications and games than Galaxy S21 Ultra, because although it has less internal memory capacity, it also counts with a slot for external memory cards that admits up to 400 GB. The Galaxy S21 Ultra features a little faster processing unit than Samsung Galaxy S9, and although they both have 8 processing cores, the Galaxy S21 Ultra also has a greater amount of RAM memory.
The Galaxy S21 Ultra has a much better camera than Samsung Galaxy S9, because although it has a tinier aperture which is not so good for shooting pictures in low light situations, it also counts with a way larger back-facing camera sensor providing a way better image quality, a much better 7680x4320 video quality and a much more mega-pixels camera in the back.
The Samsung Galaxy S21 Ultra counts with a superior battery performance than Galaxy S9, because it has a 5000mAh battery size against 3000mAh.
Although Galaxy S21 Ultra is a better device, it costs a lot more money than Galaxy S9, and it doesn't have such a good quality/price relation as the Galaxy S9. If you want to save some dollars, you can buy Galaxy S9, and give up a few features and specs, but you'll get the most with your savings.
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