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Global Score
11.679.02
Basic Information
SamsungXiaomi
Android 11Android 9.0 Pie
2021-01-292019-09-26
6.50 x 2.98 x 0.35 inches6.34 x 2.97 x 0.34 inches
8.04 ounces7.05 ounces
Phantom black and SilverMoonlight white, Neptune blue and Space black
Aluminum and Glass (Corning Gorilla Glass Victus)Glass (Corning Gorilla Glass 5) and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches6.3 inches
3200 x 1440 pixels 2340 x 1080 pixels
Dynamic AMOLED IPS LCD
516 pixels per inch409 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.88.1
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 665 SM6125 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor
12 GB RAM3 GB RAM
Adreno 660 GPUAdreno 610 GPU
9.729.09
Storage
128 GB internal memory32 GB internal memory
No SD card slotmicroSDXC (up to 256 GB) external memory slot
10.18.88
Camera
108.00 MP + 40.00 MP48.00 MP + 13.00 MP
f/1.80 aperturef/1.80 aperture
24.00mm focal length26.00mm focal length
0.75 inches (1/1.33") sensor0.5 inches (1/2") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (240 fps) (HD) slow motion video
13.7511.44
Networks
Wi-FiWi-Fi
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, Dual SIM
10.76.7
Battery Life
5000mAh Li - Polymer Battery4000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.88
Other Features
Bluetooth 5.1 Bluetooth 4.2
GPSGPS
NFCNFC
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

The Samsung Galaxy S21 Ultra is a lot better than the Xiaomi Redmi Note 8T, having a 11.67 score against 9.02. The Samsung Galaxy S21 Ultra is a newer phone than Xiaomi Redmi Note 8T, although it's just a little thicker and heavier. Both of these phones have Android OS (operating system), but Samsung Galaxy S21 Ultra has the older 11 version while Xiaomi Redmi Note 8T has Android 9.0 Pie version.

The Galaxy S21 Ultra has a much more vibrant display than Xiaomi Redmi Note 8T, because it has a bit larger display, a better resolution of 1440 x 3200 and a higher display pixel density. The Samsung Galaxy S21 Ultra counts with a greater memory for applications and games than Xiaomi Redmi Note 8T, because although it has no slot for SD memory cards, it also counts with more internal storage.

The Samsung Galaxy S21 Ultra features a bit faster processing unit than Xiaomi Redmi Note 8T, and although they both have 8 cpu cores, the Samsung Galaxy S21 Ultra also has a greater amount of RAM memory. The Galaxy S21 Ultra has a bit superior battery duration than Xiaomi Redmi Note 8T, because it has a 5000mAh battery capacity.

Galaxy S21 Ultra features a lot better camera than Xiaomi Redmi Note 8T, and although they both have a F1.8 camera aperture, the Galaxy S21 Ultra also has a lot more mega-pixels back facing camera, a lot larger back camera sensor taking way better quality photographs and videos and a lot higher 7680x4320 video quality.