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Global Score
71.984.1
Basic Information
SamsungSamsung
Windows Phone 8Android 11, 10
2014-04-042020-03-23
5.42 x 2.75 x 0.33 inches6.26 x 2.96 x 0.35 inches
4.79 ounces6.63 ounces
GrayMidnight blue and Raven black
--Plastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 249.00--
Display / Screen
5 inches6.4 inches
1080 x 1920 pixels (Full HD)2340 x 1080 pixels
Super AMOLEDSuper AMOLED
441 pixels per inch403 pixels per inch
--420 cd/m2 brightness
Capacitive, Multi-touchNo touch screen
9.18.4
Performance
Qualcomm Snapdragon 800 chipsetExynos 9611 chipset
Quad-Core 2300 MHz processorArm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor
2 GB RAM4 GB RAM
Adreno 330 (450 MHz) GPUMali-G72 MP3 GPU
9.279.27
Storage
16 GB internal memory64 GB internal memory
microSD, microSDHC, microSDXC (up to 64 GB) external memory slotmicroSDXC (up to 512 GB) external memory slot
6.1611.74
Camera
13.00 MP + 2.00 MP48.00 MP + 20.00 MP
--f/2.00 aperture
--26.00mm focal length
--0.5 inches (1/2") sensor
1920 x 1080 (Full HD) video resolution3840 x 2160 (30 fps) (4K) video resolution
--1920 x 1080 (240 fps) (Full HD) slow motion video
6.9311.55
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE (4G), UMTS, EV-DO A, EDGE, GPRS, GSM and CDMALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
SIMNano SIM, Dual SIM
6.16.7
Battery Life
2600mAh Li-Ion Battery6000mAh Li - Polymer Battery
Removable BatteryNon-Removable Battery
480 hours standby time
20 hours talk time
--
4.567.52
Other Features
Bluetooth 3.0Bluetooth 5.0
GPSGPS
NFC--
--Fingerprint ID Scanner
Accelerometer, Light Sensor and Proximity SensorAccelerometer, Gyroscope and Proximity Sensor
--FM Radio

Comparison review

The Samsung Galaxy M21 has an overall score of 84.1, which is much better than Samsung ATIV SE's 71.9 general score. Although the Samsung Galaxy M21 is a lot newer than Samsung ATIV SE, it is notably heavier and just a little thicker. Samsung Galaxy M21 comes with Android 11 OS, while Samsung ATIV SE counts with Windows Phone 8 OS.

The Samsung Galaxy M21's processor is just as good as the Samsung ATIV SE one, because although the Samsung Galaxy M21 has doesn't have an extra GPU, it also counts with 2 GB more RAM and a larger number of 2.3 GHz cores. Samsung ATIV SE counts with a slightly better display than Galaxy M21, because although it has a much smaller display and a quite lower resolution of 1920 x 1080, it also counts with a just a bit greater number of pixels in each screen inch.

Samsung Galaxy M21 features a lot bigger storage capacity for apps and games than Samsung ATIV SE, because it has an external SD slot that holds a maximum of 512 GB and more internal memory. The Samsung Galaxy M21 takes a lot better photographs and videos than Samsung ATIV SE, because it has a way better video resolution and a camera with way more mega pixels.

The Galaxy M21 has a way better battery life than Samsung ATIV SE, because it has a 131 percent larger battery size.




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