Samsung Galaxy M21 vs OPPO A74 5G Specs Comparison

Display

Size
6.4-inch	6.5-inch
Resolution
2340 x 1080 px, 19.5:9 ratio, 403 PPI	2400 x 1080 px, 20:9 ratio, 405 PPI
Technology
Super AMOLED	IPS LCD
Refresh rate
	90Hz
Screen-to-body
84.11 %	83.90 %
Peak brightness
420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm)	Qualcomm Snapdragon 480 SM4350 (8 nm)
Processor
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit	Octa-core, 2000 MHz, Kryo 460, 64-bit
GPU
Mali-G72 MP3	Adreno 619
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB, available to use: 49 GB	128GB (UFS 2.1)
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10), Samsung One UI	Android (11), ColorOS 11.1 UI
Device type
Smartphone	Smartphone

Battery

Capacity
6000 mAh	5000 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
Fast charging	Fast charging
Max charge speed
	Wired: 18.0W

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (PDAF) Specifications: Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF) Specifications: Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Specifications: Aperture size: F2.2	2 MP (Macro) Specifications: Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Specifications: Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Features: EIS	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps) Features: Time-lapse video, EIS
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD)	8 MP, Video capture: 1920x1080 (Full HD)

Design

Dimensions
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)	6.41 x 2.94 x 0.33 inches (162.9 x 74.7 x 8.4 mm)
Weight
6.63 oz(188.0 g)	6.70 oz(190.0 g)
Materials
Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Midnight blue, Raven black	Fluid Black, Space Silver

Cellular

5G
	Bands n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, SA, NSA
4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos	aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Connectivity & Features

Bluetooth
5.0	5.1, Yes
Wi-Fi
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging	Type-C (reversible), USB 2.0, Features: Charging, OTG
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer, Gyroscope, Compass
Other
	NFC

Buyers information

In The Box
This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Mar 18, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy M21 Specs	OPPO A74 5G Specs