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Global Score
7984.1
Basic Information
SamsungSamsung
Android 4.4Android 11, 10
2013-03-142020-03-23
5.38 x 2.75 x 0.31 inches6.26 x 2.96 x 0.35 inches
4.59 ounces6.63 ounces
Black, Blue, Red and WhiteMidnight blue and Raven black
PolycarbonatePlastic and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 135.00--
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 600 APQ8064T chipsetExynos 9611 chipset
Krait 300 (Quad-Core 1900 MHz) processorArm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor
2 GB (800 MHz) RAM4 GB RAM
Adreno 320 (400 MHz) GPUMali-G72 MP3 GPU
99.27
Storage
64 GB internal memory64 GB internal memory
microSD, microSDHC, microSDXC (up to 64 GB) external memory slotmicroSDXC (up to 512 GB) external memory slot
9.4611.74
Camera
13.00 MP + 2.00 MP48.00 MP + 20.00 MP
f/2.20 aperturef/2.00 aperture
31.00mm focal length26.00mm focal length
0.33 inches (1/3.06") sensor0.5 inches (1/2") sensor
1920 x 1080 (30 fps) (Full HD) video resolution3840 x 2160 (30 fps) (4K) video resolution
--1920 x 1080 (240 fps) (Full HD) slow motion video
9.0211.55
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSMLTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Micro SIMNano SIM, Dual SIM
76.7
Battery Life
2600mAh Li-Ion Battery6000mAh Li - Polymer Battery
Removable BatteryNon-Removable Battery
Wireless Charging--
17 hours talk time--
4.567.52
Other Features
Bluetooth 4.0Bluetooth 5.0
GPSGPS
NFC--
Infra-red port--
--Fingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Gyroscope and Proximity Sensor
--FM Radio

Comparison review

The Galaxy M21 is slightly better than the Galaxy S4, with an 84.1 score against 79. These phones use Android OS (Operating System), but the Galaxy M21 has a newer 11 version while Galaxy S4 has Android 4.4 version. The Galaxy M21 construction is a lot newer than the Galaxy S4's, although it is extremely heavier and thicker.

Galaxy S4 counts with a bit sharper screen than Galaxy M21, because although it has a little bit worse resolution of 1920 x 1080 and a lot smaller screen, it also counts with a just a little higher pixels density. Samsung Galaxy M21 has a bit superior processing unit than Samsung Galaxy S4, because although it has doesn't have a graphics processing unit, it also counts with 2 GB more RAM and a greater number of faster cores.

The Galaxy M21 has a superior storage capacity to install applications and games than Samsung Galaxy S4, and although they both have the same internal memory, the Galaxy M21 also has a SD memory card expansion slot that supports a maximum of 512 GB. The Samsung Galaxy M21 shoots much clearer photos and videos than Galaxy S4, because it has a way higher 3840x2160 (4K) video resolution, a bigger aperture to capture better low light photography, a back camera with a way better resolution and a way bigger back-facing camera sensor.

Samsung Galaxy M21 features a superior battery duration than Samsung Galaxy S4, because it has a 131 percent bigger battery capacity.




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