Samsung Galaxy J7 Prime vs Samsung Galaxy M21 Specs Comparison

Availability

Officially announced
Sep 01, 2016	Mar 18, 2020

Design

Dimensions
5.97 x 2.95 x 0.31 inches 151.7 x 75 x 8 mm	6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm
Weight
5.89 oz / 167.0 g	6.63 oz / 188.0 g
Materials
Back: Metal	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Rose gold	Midnight blue, Raven black

Display

Size
5.5-inch, 73.39% screen-to-body	6.4-inch, 84.11% screen-to-body
Type
IPS LCD	Super AMOLED, 420 nits
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass	Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor	Scratch-resistant glass, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Exynos 9611 (10 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Mali-T830 MP2	Mali-G72 MP3
Memory
3GB (LPDDR3)/16GB	4GB (LPDDR4)/64GB 6GB/128GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (11, 10)

Battery

Type
3300 mAh, Li - Ion	6000 mAh, Li - Polymer
Charging
	Fast charging

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.9	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p, 720p (240 fps) EIS
Front
8 MP	20 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Proximity sensor	Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
ANT+, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 3, 5, 7, 8, 20
4G (TDD) Bands
38, 40	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 5, 8
Data Speed
	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Aug 18, 2016 FCC ID value: A3LSMG610F
Measured SAR
Head: 0.43 W/kg Body: 1.03 W/kg Simultaneous Transmission: 1.09 W/kg Wireless Router: 1.03 W/kg

Alternative variants

Dual SIM	Yes

with 128GB storage

Memory	6GB/128GB

Discover more

Full Specs Samsung Galaxy J7 Prime Specs

Full Specs Samsung Galaxy M21 Specs