Samsung Galaxy J2 vs Samsung Galaxy A72 Specs Comparison

Availability

Officially announced
	Mar 17, 2021
Prices (MSRP)
	€449

Design

Dimensions
5.37 x 2.72 x 0.33 inches 136.5 x 69 x 8.4 mm	6.50 x 3.05 x 165 x 77.4 x 8.4 mm
Weight
4.59 oz / 130.0 g	7.16 oz / 203.0 g
Materials
	Back: Plastic
Materials & Colors
	Black, Blue, White, Violet
Resistance
	Water, Dust; IP67
Biometrics
	2D Face unlock, Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, White

Display

Size
4.7-inch, 64.62% screen-to-body	6.7-inch, 84.74% screen-to-body
Type
Super AMOLED	Super AMOLED, 90Hz
Resolution
960x540px, 234 PPI	2400x1080px, 20:9 ratio, 393 PPI
Colors
16 777 216

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1.6 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 3475	Snapdragon 720G SM7125 (8 nm)
Processor
Quad-core 1300 MHz ARM Cortex-A7	Octa-core 2x2.3GHz Kryo 465 6x1.8GHz Kryo 465
GPU
Mali-T720	Adreno 618
Memory
1GB (LPDDR3)/8GB	6GB/128GB (UFS) 8GB/256GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 1024 GB
OS
Android (5.1 Lollipop)	Android (11)

Battery

Type
2000 mAh	5000 mAh
Charging
	Qualcomm Quick Charge 2.0
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 22min

Browsing

13h 42min

Video

9h 19min

Gaming

10h 5min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
5 MP (Autofocus, CMOS image sensor) Aperture size: F2.2	64 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
	8 MP (Telephoto, OIS, Autofocus) Optical zoom: 3.0x Aperture size: F24.0 Pixel size: 1.0 μm
Fourth camera
	5 MP (Macro) Aperture size: F2.4 Pixel size: 1.12 μm
Flash
LED	LED
Video recording
720p (30 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p Continuous autofocus, Picture-taking during video recording
Front
2 MP	32 MP Video capture: 4K UHD (30 fps)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
b,g,n 802.11 b, g, n	a,b,g,n,ac,dual-band,802.1x Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Pedometer, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
Tethering, Computer sync, OTA sync	NFC

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

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 66
4G (TDD) Bands
	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 4, 5, 8
Data Speed
	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Micro SIM	Nano SIM

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Jan 26, 2021 FCC ID value: A3LSMA725M
Measured SAR
	Head: 0.29 W/kg Body: 0.30 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 0.59 W/kg
EU SAR
	Head: 0.23 W/kgBody: 1.17 W/kg

Alternative variants

with 8GB RAM and 256GB storage

Memory	8GB/256GB

Links

Full specifications
Samsung Galaxy J2 Specs	Samsung Galaxy A72 Specs
PhoneArena Review
	Samsung Galaxy A72 Review