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Global Score
11.6710.38
Basic Information
SamsungXiaomi
Android 11Android 11
2021-01-292021-03-27
6.50 x 2.98 x 0.35 inches6.44 x 3.01 x 0.31 inches
8.04 ounces6.91 ounces
Phantom black and SilverArctic white, Deep Ocean blue and Night black
Aluminum and Glass (Corning Gorilla Glass Victus)Glass (Corning Gorilla Glass 5)
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches6.7 inches
3200 x 1440 pixels 2400 x 1080 pixels
Dynamic AMOLED AMOLED
516 pixels per inch393 pixels per inch
1500 cd/m2 brightness1300 cd/m2 brightness
No touch screenNo touch screen
9.89.1
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 870 SM8250-AC chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor
12 GB RAM6 GB RAM
Adreno 660 GPUAdreno 650 GPU
9.729.81
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 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (120 fps) (HD) slow motion video
13.7511.55
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.710.7
Battery Life
5000mAh Li - Polymer Battery4520mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.56
Other Features
Bluetooth 5.1 Bluetooth 5.1
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

Galaxy S21 Ultra has a general score of 11.67, which is much better than Xiaomi Poco F3's 10.38 global score. Although it's the best phone in this comparison, we must note that it's also heavier and thicker. Both of these devices include the same Android 11 operating system, so both should provide the user the same OS features.

Xiaomi Poco F3 counts with a bit better processor than Galaxy S21 Ultra, although it has 6 GB less RAM memory, they both have a Octa-Core processor. The Galaxy S21 Ultra has a bit better screen than Xiaomi Poco F3, because it has a better display density, a higher resolution of 1440 x 3200px, a little bit larger display and a little more brightness.

The Xiaomi Poco F3 and Samsung Galaxy S21 Ultra count with very similar memory to install games and applications, both have exactly the same 128 GB internal memory capacity. Galaxy S21 Ultra features a little longer battery lifetime than Xiaomi Poco F3, because it has an 11 percent bigger battery capacity.

The Galaxy S21 Ultra has a better camera than Xiaomi Poco F3, and although they both have a F1.8 camera aperture, the Galaxy S21 Ultra also has a lot better 7680x4320 video definition, a camera with a much better 108 mega pixels resolution and a much larger back camera sensor providing a lot higher image quality.