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Global Score
11.6710
Basic Information
SamsungSamsung
Android 11Android 11, 10
2021-01-292020-03-23
6.50 x 2.98 x 0.35 inches6.26 x 2.96 x 0.35 inches
8.04 ounces6.63 ounces
Phantom black and SilverMidnight blue and Raven black
Aluminum and Glass (Corning Gorilla Glass Victus)Plastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches6.4 inches
3200 x 1440 pixels 2340 x 1080 pixels
Dynamic AMOLED Super AMOLED
516 pixels per inch403 pixels per inch
1500 cd/m2 brightness420 cd/m2 brightness
No touch screenNo touch screen
9.88.4
Performance
Qualcomm Snapdragon 888 chipsetExynos 9611 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorArm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor
12 GB RAM4 GB RAM
Adreno 660 GPUMali-G72 MP3 GPU
9.729.27
Storage
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 512 GB) external memory slot
10.111.74
Camera
108.00 MP + 40.00 MP48.00 MP + 20.00 MP
f/1.80 aperturef/2.00 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 video1920 x 1080 (240 fps) (Full 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 HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.76.7
Battery Life
5000mAh Li - Polymer Battery6000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.966
Other Features
Bluetooth 5.1 Bluetooth 5.0
GPSGPS
NFC--
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Gyroscope and Proximity Sensor
FM RadioFM Radio

Comparison review

Galaxy S21 Ultra has an overall score of 11.67, which is much better than the Galaxy M21's 10 overall score. The Galaxy S21 Ultra construction has the same thickness than the Galaxy M21, but it is somewhat heavier. Both of these phones have the same Android 11 OS (Operating System), so both of them should give very similar operating system features.

Samsung Galaxy S21 Ultra counts with a bit better processor than Galaxy M21, and although they both have a Octa-Core CPU, the Samsung Galaxy S21 Ultra also has 8 GB more RAM. The Samsung Galaxy S21 Ultra features a better looking display than Samsung Galaxy M21, because it has a quite larger display, a greater pixel number in each inch of screen, way more screen brightness and a higher 1440 x 3200 pixels resolution.

The Galaxy M21 counts with a better memory capacity to install games and applications than Galaxy S21 Ultra, because although it has less internal memory capacity, it also counts with a slot for an external memory card that supports a maximum of 512 GB. The Samsung Galaxy S21 Ultra counts with a much better camera than Samsung Galaxy M21, because it has a much larger back camera sensor shooting lot better quality videos and photographs, a way more megapixels back-facing camera, a lot better video resolution and a larger aperture.

The Samsung Galaxy M21 features a superior battery life than Galaxy S21 Ultra, because it has a 20% bigger battery capacity.