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Global Score
81.684.1
Basic Information
SamsungSamsung
Android 5.0, 4.4Android 11, 10
2014-09-032020-03-23
6.04 x 3.09 x 0.33 inches6.26 x 2.96 x 0.35 inches
6.21 ounces6.63 ounces
Black, Gold, Pink and WhiteMidnight blue and Raven black
--Plastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 269.00--
Display / Screen
5.7 inches6.4 inches
1440 x 2560 pixels (Quad HD / 2K)2340 x 1080 pixels
Super AMOLEDSuper AMOLED
515 pixels per inch403 pixels per inch
--420 cd/m2 brightness
Capacitive, Multi-touchNo touch screen
9.58.4
Performance
Qualcomm Snapdragon 805 APQ8084 chipsetExynos 9611 chipset
Krait 450 (Quad-Core 2700 MHz) processorArm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor
3 GB (825 MHz) RAM4 GB RAM
Adreno 420 (500 MHz) GPUMali-G72 MP3 GPU
9.549.27
Storage
32 GB internal memory64 GB internal memory
microSD, microSDHC, microSDXC (up to 128 GB) external memory slotmicroSDXC (up to 512 GB) external memory slot
8.1211.74
Camera
16.00 MP + 3.70 MP48.00 MP + 20.00 MP
f/2.20 aperturef/2.00 aperture
31.00mm focal length26.00mm focal length
0.38 inches (1/2.6") sensor0.5 inches (1/2") sensor
3840 x 2160 (30 fps) (4K) video resolution3840 x 2160 (30 fps) (4K) video resolution
1920 x 1080 (60 fps) (Full HD) slow motion video1920 x 1080 (240 fps) (Full HD) slow motion video
10.0111.55
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSMLTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Micro SIMNano SIM, Dual SIM
76.7
Battery Life
3220mAh Li-Ion Battery6000mAh Li - Polymer Battery
Removable BatteryNon-Removable Battery
20 hours talk time--
5.27.52
Other Features
Bluetooth 4.1, EDRBluetooth 5.0
GPSGPS
NFC--
Infra-red port--
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Gyroscope and Proximity Sensor
--FM Radio

Comparison review

The Galaxy M21 has a general score of 84.1, which is a little bit better than the Samsung Galaxy Note 4's general score of 81.6. Galaxy M21's construction is noticeably newer, but a little heavier and just a little thicker than the Samsung Galaxy Note 4. These phones work with Android OS (operating system), but Galaxy M21 has newer 11 version and Samsung Galaxy Note 4 has Android 5.0 version.

The Galaxy Note 4 counts with a brighter screen than Samsung Galaxy M21, because although it has a little smaller display, it also counts with a higher pixel density and a higher 2560 x 1440 resolution. Galaxy Note 4 has a little better performance than Samsung Galaxy M21, because although it has lesser RAM and a lower number of cores (although faster), it also counts with an extra graphics co-processor.

Galaxy M21 counts with a much bigger storage capacity for games and applications than Samsung Galaxy Note 4, because it has 64 GB internal memory and an external SD slot that supports a maximum of 512 GB. Galaxy M21 counts with a much longer battery lifetime than Galaxy Note 4, because it has a 6000mAh battery capacity instead of 3220mAh.

Samsung Galaxy M21 counts with a much better camera than Samsung Galaxy Note 4, and although they both have the same 3840x2160 video definition and the same video frame rates, the Samsung Galaxy M21 also has a back-facing camera with much more mega-pixels, a bigger diafragm aperture to take better photography in poorly lited situations and a way bigger camera sensor capturing more light and vivid colors.




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