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Global Score
11.678.92
Basic Information
SamsungXiaomi
Android 11Android 8.1 Oreo
2021-01-292018-07-19
6.50 x 2.98 x 0.35 inches6.94 x 3.44 x 0.31 inches
8.04 ounces7.80 ounces
Phantom black and Silver16 777 216
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminum
Scratch-Resistant Glass--
$ 966.00--
Display / Screen
6.8 inches6.9 inches
3200 x 1440 pixels 2160 x 1080 pixels
Dynamic AMOLED IPS LCD
516 pixels per inch350 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.87.7
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 636 SDM636 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor
12 GB RAM4 GB RAM
Adreno 660 GPUAdreno 509 GPU
9.728.91
Storage
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 256 GB) external memory slot
10.110.78
Camera
108.00 MP + 40.00 MP12.00 MP + 8.00 MP
f/1.80 aperturef/1.90 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor0.39 inches (1/2.55") 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 (120 fps) (HD) slow motion video
13.759.68
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
10.76.3
Battery Life
5000mAh Li - Polymer Battery5500mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.965.84
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 RadioFM Radio

Comparison review

Samsung Galaxy S21 Ultra is way better than Xiaomi Mi Max 3, getting a 11.67 score against 8.92. Samsung Galaxy S21 Ultra is a notably newer device than Xiaomi Mi Max 3, but it is a little bit heavier and thicker. Both of these phones come with Android OS, but the Samsung Galaxy S21 Ultra has the older 11 version while Xiaomi Mi Max 3 has Android 8.1 Oreo.

Galaxy S21 Ultra has a bit more powerful processing unit than Xiaomi Mi Max 3, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has a greater amount of RAM memory. Galaxy S21 Ultra has a lot better looking screen than Xiaomi Mi Max 3, because although it has a quite smaller screen, it also counts with a greater pixels number per display inch and a better 1440 x 3200px resolution.

The Galaxy S21 Ultra takes way better photos and videos than Xiaomi Mi Max 3, because it has a bigger aperture for better low light photos, a much bigger back-facing camera sensor capturing more light and vivid colors, a camera with a lot better resolution and a lot better video quality. Xiaomi Mi Max 3 counts with a slightly better memory capacity for applications and games than Galaxy S21 Ultra, because although it has just 64 GB internal memory capacity, it also counts with a SD memory card expansion slot that supports up to 256 GB.

The Xiaomi Mi Max 3 counts with longer battery duration than Galaxy S21 Ultra, because it has 5500mAh of battery capacity.