Compare phones

Global Score
Basic Information
Android 11Android 11
6.50 x 2.98 x 0.35 inches6.37 x 2.97 x 0.35 inches
8.04 ounces6.70 ounces
Phantom black and SilverAurora Green, Chrome Silver, Graphite Gray and Nighttime Blue
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 199.00
Display / Screen
6.8 inches6.5 inches
3200 x 1440 pixels 2400 x 1080 pixels
516 pixels per inch405 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
Qualcomm Snapdragon 888 chipsetMediaTek Dimensity 700 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorArm Cortex-A76 and Arm Cortex-A55, 64-bit, 7 nm (Octa-Core 2200 MHz) processor
Adreno 660 GPUArm Mali-G57 MC2 GPU
128 GB internal memory64 GB internal memory
No SD card slotNo SD card slot
108.00 MP + 40.00 MP48.00 MP + 8.00 MP
f/1.80 aperturef/1.80 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor0.5 inches (1/2") sensor
7680 x 4320 (24 fps) video resolution--
1280 x 720 (960 fps) (HD) slow motion video--
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
Battery Life
5000mAh Li - Polymer Battery5000mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.1 Bluetooth 5.0
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Galaxy S21 Ultra has an overall score of 11.67, which is way better than Xiaomi Redmi Note 10 5G's global score of 9.46. Both phones we compare here work with the same Android 11 OS, so both should offer very similar operating system features. Galaxy S21 Ultra's construction has the same thickness than Xiaomi Redmi Note 10 5G, but it's heavier.

Galaxy S21 Ultra features a much sharper display than Xiaomi Redmi Note 10 5G, because it has a greater pixel number per display inch, a better resolution of 1440 x 3200 pixels and a little larger display. The Samsung Galaxy S21 Ultra features just a little better hardware performance than Xiaomi Redmi Note 10 5G, and although they both have a Octa-Core CPU, the Samsung Galaxy S21 Ultra also has 8 GB more RAM memory.

Samsung Galaxy S21 Ultra counts with a much greater memory to install games and applications than Xiaomi Redmi Note 10 5G, because it has 128 GB internal storage. The Xiaomi Redmi Note 10 5G counts with just a little bit longer battery performance than Samsung Galaxy S21 Ultra. The Galaxy S21 Ultra features a way better camera than Xiaomi Redmi Note 10 5G, and although they both have the same aperture, the Galaxy S21 Ultra also has a way bigger back-facing camera sensor capturing more light and vivid colors and a camera in the back with way more megapixels.

Although Galaxy S21 Ultra is a better device, it costs a lot more than the Xiaomi Redmi Note 10 5G, and it doesn't have such a good quality/price relation as Xiaomi Redmi Note 10 5G. So if you want that extra features, you can buy the Galaxy S21 Ultra, otherwise you can save some dollars and get the Xiaomi Redmi Note 10 5G, resigning a couple features and specs.