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Global Score
84.181.6
Basic Information
SamsungSamsung
Android 11, 10Android 5.0, 4.4
2020-03-232014-09-03
6.26 x 2.96 x 0.35 inches6.04 x 3.09 x 0.33 inches
6.63 ounces6.21 ounces
Midnight blue and Raven blackBlack, Gold, Pink and White
Plastic and Plastic --
Scratch-Resistant GlassScratch-Resistant Glass
--$ 269.00
Display / Screen
6.4 inches5.7 inches
2340 x 1080 pixels 1440 x 2560 pixels (Quad HD / 2K)
Super AMOLED Super AMOLED
403 pixels per inch515 pixels per inch
420 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
8.49.5
Performance
Exynos 9611 chipsetQualcomm Snapdragon 805 APQ8084 chipset
Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processorKrait 450 (Quad-Core 2700 MHz) processor
4 GB RAM3 GB (825 MHz) RAM
Mali-G72 MP3 GPUAdreno 420 (500 MHz) GPU
9.279.54
Storage
64 GB internal memory32 GB internal memory
microSDXC (up to 512 GB) external memory slotmicroSD, microSDHC, microSDXC (up to 128 GB) external memory slot
11.748.12
Camera
48.00 MP + 20.00 MP16.00 MP + 3.70 MP
f/2.00 aperturef/2.20 aperture
26.00mm focal length31.00mm focal length
0.5 inches (1/2") sensor0.38 inches (1/2.6") sensor
3840 x 2160 (30 fps) (4K) video resolution3840 x 2160 (30 fps) (4K) video resolution
1920 x 1080 (240 fps) (Full HD) slow motion video1920 x 1080 (60 fps) (Full HD) slow motion video
11.5510.01
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM
Nano SIM, Dual SIMMicro SIM
6.77
Battery Life
6000mAh Li - Polymer Battery3220mAh Li-Ion Battery
Non-Removable BatteryRemovable Battery
--20 hours talk time
7.525.2
Other Features
Bluetooth 5.0 Bluetooth 4.1, EDR
GPSGPS
--NFC
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Gyroscope and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Galaxy M21 has a global score of 84.1, which is slightly better than the Galaxy Note 4's 81.6 score. These phones use Android OS (operating system), but the Galaxy M21 has 11 version and Galaxy Note 4 has Android 5.0 version, so it gives you some extra features. Although Galaxy M21 is noticeably newer than the Galaxy Note 4, it is just a little heavier and just a little bit thicker.

The Samsung Galaxy Note 4 counts with a little faster CPU than Samsung Galaxy M21, because although it has less processing cores and a smaller amount of RAM memory, it also counts with a GPU. Samsung Galaxy Note 4 counts with a more vivid display than Galaxy M21, because although it has a bit smaller display, it also counts with a better 2560 x 1440 resolution and a higher number of pixels per inch in the screen.

The Galaxy M21 counts with much more memory to install games and applications than Samsung Galaxy Note 4, because it has 64 GB internal memory and an external memory slot that holds up to 512 GB. Galaxy M21 counts with a very superior battery duration than Samsung Galaxy Note 4, because it has an 86 percent more battery capacity.

Galaxy M21 captures better pictures and videos than Galaxy Note 4, and although they both have the same 3840x2160 (4K) video definition and the same 30 fps video frame rates, the Galaxy M21 also has a lot bigger back-facing camera sensor providing a much higher image quality, a lot more megapixels camera and a larger diafragm aperture to take better captures and video in low light environments.




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