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Global Score
11.679.31
Basic Information
SamsungXiaomi
Android 11Android 10
2021-01-292021-01-18
6.50 x 2.98 x 0.35 inches6.39 x 3.04 x 0.38 inches
8.04 ounces6.98 ounces
Phantom black and SilverCarbon gray, Ocean green, Sunrise orange and Twilight blue
Aluminum and Glass (Corning Gorilla Glass Victus)Plastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches6.5 inches
3200 x 1440 pixels 2340 x 1080 pixels
Dynamic AMOLED IPS LCD
516 pixels per inch396 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.88
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 662 SM6115 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor
12 GB RAM4 GB RAM
Adreno 660 GPUAdreno 610 GPU
9.729.09
Storage
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 512 GB) external memory slot
10.111.74
Camera
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 resolution1920 x 1080 (30 fps) (Full HD) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
13.7510.78
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 Battery6000mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.966.16
Other Features
Bluetooth 5.1 Bluetooth 5.0
GPSGPS
NFC--
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

The Samsung Galaxy S21 Ultra is much better than the Xiaomi Redmi 9T, having a general score of 11.67 against 9.31. Samsung Galaxy S21 Ultra's design is a little thinner but heavier than Xiaomi Redmi 9T, and both of them were only released 0 months apart. These devices include Android OS, but the Samsung Galaxy S21 Ultra has newer 11 version and Xiaomi Redmi 9T has Android 10.

The Galaxy S21 Ultra has a much sharper screen than Xiaomi Redmi 9T, because it has a better 1440 x 3200 resolution, a quite bigger display and a greater pixel number in each screen inch. Galaxy S21 Ultra counts with a little bit better performance than Xiaomi Redmi 9T, and although they both have 8 CPU cores, the Galaxy S21 Ultra also has a greater amount of RAM memory.

The Xiaomi Redmi 9T counts with more storage capacity for applications, games, photos and videos than Galaxy S21 Ultra, because although it has only 64 GB internal storage, it also counts with an external memory card slot that allows a maximum of 512 GB. Samsung Galaxy S21 Ultra shoots much better videos and photos than Xiaomi Redmi 9T, and although they both have the same camera aperture, the Samsung Galaxy S21 Ultra also has a much higher video definition, a lot better resolution back camera and a way larger sensor taking lot better quality videos and photographs.

The Xiaomi Redmi 9T has a superior battery lifetime than Galaxy S21 Ultra, because it has a 6000mAh battery size.