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Global Score
Basic Information
Android 11Android 10
6.50 x 2.98 x 0.35 inches7.36 x 5.72 x 0.19 inches
8.04 ounces8.82 ounces
Phantom black and SilverGlacier
Aluminum and Glass (Corning Gorilla Glass Victus)Glass (Corning Gorilla Glass 5)
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 540.00
Display / Screen
6.8 inches8.1 inches
3200 x 1440 pixels 2700 x 1800 pixels
516 pixels per inch401 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 855 SM8150 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor
Adreno 660 GPUAdreno 640 GPU
128 GB internal memory128 GB internal memory
No SD card slotNo SD card slot
108.00 MP + 40.00 MP11.00 MP
f/1.80 aperturef/2.00 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor--
7680 x 4320 (24 fps) video resolution3840 x 2160 (60 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
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, Dual SIM
Battery Life
5000mAh Li - Polymer Battery3577mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.1 Bluetooth 5.0
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 a lot better than the Microsoft Surface Duo, with a general score of 11.67 against 9.36. These phones have Android OS (Operating System), but the Samsung Galaxy S21 Ultra has a more recent 11 version while Microsoft Surface Duo has Android 10 version. The Samsung Galaxy S21 Ultra design is incredibly thicker but a bit lighter than the Microsoft Surface Duo, and they were only released 5 months apart.

The Galaxy S21 Ultra counts with a little bit better hardware performance than Microsoft Surface Duo, and although they both have the same number of cores, the Galaxy S21 Ultra also has a larger amount of RAM. The Galaxy S21 Ultra counts with a brighter screen than Microsoft Surface Duo, because although it has a little bit worse 1440 x 3200 pixels resolution and a little bit smaller display, it also counts with a better pixels count per inch in the display.

Galaxy S21 Ultra takes greater pictures and videos than Microsoft Surface Duo, because it has a lot better video quality, a camera with a much better 108 megapixels resolution and a larger aperture to capture better low-light captures. The Microsoft Surface Duo's memory to install applications and games or saving photos and videos is very similar to Galaxy S21 Ultra's one, both have equal internal storage.

The Galaxy S21 Ultra features a much better battery performance than Microsoft Surface Duo, because it has a 5000mAh battery capacity.

Galaxy S21 Ultra costs a lot more money than the Microsoft Surface Duo, but you can get a much better phone for that few more dollars.