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Global Score
Basic Information
Android 11--
6.50 x 2.98 x 0.35 inches5.81 x 2.70 x 0.33 inches
8.04 ounces5.75 ounces
Phantom black and SilverBurgundy 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 GlassScratch-Resistant Glass
$ 966.00$ 158.00
Display / Screen
6.8 inches5.8 inches
3200 x 1440 pixels 2960 x 1440 pixels
516 pixels per inch568 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 845 SDM845 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor
Adreno 660 GPUAdreno 630 GPU
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 400 GB) external memory slot
108.00 MP + 40.00 MP12.00 MP + 8.00 MP
f/1.80 aperturef/1.50 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor0.39 inches (1/2.55") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (60 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (960 fps) (HD) slow motion video
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM
Battery Life
5000mAh Li - Polymer Battery3000mAh Li - Ion Battery
Non-Removable BatteryNon-Removable Battery
Wireless ChargingWireless Charging
Other Features
Bluetooth 5.1 Bluetooth 5.0
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

Samsung Galaxy S21 Ultra is better than Galaxy S9, having a 11.67 score against 9.93. 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.