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Global Score
11.679
Basic Information
SamsungXiaomi
Android 11Android 4.4.3
2021-01-292014-07-22
6.50 x 2.98 x 0.35 inches5.48 x 2.70 x 0.35 inches
8.04 ounces5.26 ounces
Phantom black and SilverBlack and White
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 329.00
Display / Screen
6.8 inches5 inches
3200 x 1440 pixels 1080 x 1920 pixels (Full HD)
Dynamic AMOLED IPS LCD
516 pixels per inch441 pixels per inch
1500 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
9.89.1
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 801 8974-AC chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorQualcomm Krait 400 (Quad-Core 2500 MHz) processor
12 GB RAM3 GB RAM
Adreno 660 GPUAdreno 330 (450 MHz) GPU
9.729.36
Storage
128 GB internal memory64 GB internal memory
No SD card slotNo SD card slot
10.17.7
Camera
108.00 MP + 40.00 MP13.00 MP + 8.00 MP
f/1.80 aperturef/1.80 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor0.33 inches (1/3.06") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1920 x 1080 (60 fps) (Full HD) slow motion video
13.759.79
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM
Nano SIMSIM
10.77
Battery Life
5000mAh Li - Polymer Battery3080mAh Li-Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.64
Other Features
Bluetooth 5.1 Bluetooth 4.0
GPSGPS
NFC--
--Infra-red port
Fingerprint ID Scanner--
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

Samsung Galaxy S21 Ultra has a score of 11.67, which is much better than Xiaomi Mi 4's 9 overall score. These devices use Android OS, but the Samsung Galaxy S21 Ultra has the older 11 version and Xiaomi Mi 4 has Android 4.4.3 version. Samsung Galaxy S21 Ultra is a heavier device than Xiaomi Mi 4, but they have the same thickness.

Samsung Galaxy S21 Ultra features just a little better hardware performance than Xiaomi Mi 4, because although it has doesn't have an additional graphics processing unit, it also counts with 4 more cores and a larger amount of RAM. Samsung Galaxy S21 Ultra features a little bit better looking display than Xiaomi Mi 4, because it has a lot higher resolution of 1440 x 3200px, a quite higher pixels count in each inch of display and a way bigger screen.

The Samsung Galaxy S21 Ultra has a much better camera than Xiaomi Mi 4, and although they both have a F1.8 aperture, the Samsung Galaxy S21 Ultra also has a way higher 7680x4320 video definition, a lot higher resolution camera in the back and a much larger sensor which offers a much higher photo and video quality.

The Galaxy S21 Ultra features a much better storage capacity to store more games and applications than Xiaomi Mi 4, because it has 128 GB internal memory. Galaxy S21 Ultra has a bit superior battery life than Xiaomi Mi 4, because it has a 5000mAh battery capacity.

The Samsung Galaxy S21 Ultra costs a lot more money than the Xiaomi Mi 4, but it's still a great deal, as you can get a lot more features for that extra money.