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Global Score
11.679.58
Basic Information
SamsungXiaomi
Android 11--
2021-01-292019-01-15
6.50 x 2.98 x 0.35 inches6.27 x 2.96 x 0.32 inches
8.04 ounces6.56 ounces
Phantom black and SilverBlack, Blue and Red
Aluminum and Glass (Corning Gorilla Glass Victus)Glass (Corning Gorilla Glass 5)
Scratch-Resistant GlassScratch-Resistant Glass
$ 1200.00--
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 660 SDM660 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor
12 GB RAM4 GB RAM
Adreno 660 GPUAdreno 512 GPU
9.729.18
Storage
128 GB internal memory128 GB internal memory
No SD card slotmicroSDXC (up to 256 GB) external memory slot
10.113.18
Camera
108.00 MP + 40.00 MP48.00 MP + 13.00 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 (120 fps) (Full HD) video resolution
1280 x 720 (960 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
10.76.7
Battery Life
5000mAh Li - Polymer Battery4000mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.8
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, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

Galaxy S21 Ultra is a lot better than Xiaomi Redmi Note 7, having a general score of 11.67 against 9.58. The Galaxy S21 Ultra is a noticeably newer device than Xiaomi Redmi Note 7, but it is somewhat heavier and a bit thicker. Galaxy S21 Ultra counts with an incredibly better looking display than Xiaomi Redmi Note 7, because it has a higher resolution of 1440 x 3200px, a bit larger screen and a greater amount of pixels per screen inch.

The Xiaomi Redmi Note 7 features much more storage for games and applications than Samsung Galaxy S21 Ultra, and although they both have equal 128 GB internal storage capacity, the Xiaomi Redmi Note 7 also has a SD extension slot that admits up to 256 GB. The Samsung Galaxy S21 Ultra counts with a little better performance than Xiaomi Redmi Note 7, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has a higher amount of RAM.

Galaxy S21 Ultra has a lot better camera than Xiaomi Redmi Note 7, and although they both have a F1.8 diafragm aperture, the Galaxy S21 Ultra also has a lot better 108 megapixels resolution camera in the back, a way larger back-facing camera sensor taking much higher quality photos and a way better 7680x4320 video definition.

Galaxy S21 Ultra counts with just a little bit longer battery lifetime than Xiaomi Redmi Note 7, because it has a 25% larger battery size.