Search


Compare phones

Global Score
11.679.91
Basic Information
SamsungXiaomi
Android 11--
2021-01-292019-03-06
6.50 x 2.98 x 0.35 inches6.20 x 2.94 x 0.30 inches
8.04 ounces6.10 ounces
Phantom black and SilverBlack, Blue and Purple
Aluminum and Glass (Corning Gorilla Glass Victus)Glass (Corning Gorilla Glass 5) and Metal
Scratch-Resistant GlassScratch-Resistant Glass
$ 1200.00--
Display / Screen
6.8 inches6.4 inches
3200 x 1440 pixels 2340 x 1080 pixels
Dynamic AMOLED AMOLED
516 pixels per inch403 pixels per inch
1500 cd/m2 brightness600 cd/m2 brightness
No touch screenNo touch screen
9.88.6
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 855 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor
12 GB RAM6 GB RAM
Adreno 660 GPUAdreno 640 GPU
9.729.63
Storage
128 GB internal memory128 GB internal memory
No SD card slotNo SD card slot
10.110.1
Camera
108.00 MP + 40.00 MP48.00 MP + 20.00 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 (60 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1920 x 1080 (960 fps) (Full HD) slow motion video
13.7512.1
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.76.3
Battery Life
5000mAh Li - Polymer Battery3300mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless ChargingWireless Charging
4.963.92
Other Features
Bluetooth 5.1 Bluetooth 5.0
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 Radio--

Comparison review

Samsung Galaxy S21 Ultra is better than the Xiaomi Mi 9, with a 11.67 score against 9.91. Even though Samsung Galaxy S21 Ultra is newer than the Xiaomi Mi 9, it is somewhat thicker and extremely heavier. Samsung Galaxy S21 Ultra has a bit superior CPU than Xiaomi Mi 9, and although they both have 8 cores, the Samsung Galaxy S21 Ultra also has more RAM memory.

The Galaxy S21 Ultra features a sharper display than Xiaomi Mi 9, because it has a really brighter display, a better resolution of 1440 x 3200 pixels, a better screen density and a little bigger display. The Xiaomi Mi 9 and Galaxy S21 Ultra feature incredibly similar memory capacity for applications and games, both of them have equal 128 GB internal memory capacity.

Galaxy S21 Ultra counts with a much better battery life than Xiaomi Mi 9, because it has a 5000mAh battery capacity against 3300mAh. The Samsung Galaxy S21 Ultra counts with a much better camera than Xiaomi Mi 9, and although they both have the same camera aperture, the Samsung Galaxy S21 Ultra also has a lot better 7680x4320 video definition, a camera with much more MP and a lot larger camera sensor which offers a much higher photo and video quality.