Samsung Galaxy J7 Duo vs Samsung Galaxy A71 Specs Comparison

Availability

Officially announced
	Dec 12, 2019

Design

Dimensions
6.04 x 3.04 x 0.32 inches 153.5 x 77.2 x 8.2 mm	6.44 x 2.99 x 0.30 inches 163.6 x 76 x 7.7 mm
Weight
6.14 oz / 174.0 g	6.31 oz / 179.0 g
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	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	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
5.5-inch, 70.40% screen-to-body	6.7-inch, 87.24% screen-to-body
Type
Super AMOLED	Super AMOLED Plus, 60Hz
Resolution
1280x720px, 16:9 ratio, 267 PPI	2400x1080px, 20:9 ratio, 393 PPI
Colors
16 777 216
Protection
Corning Gorilla Glass	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1.5 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7884 (14 nm)	Snapdragon 730 SM7150-AA (8 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 2200 MHz Kryo 470
GPU
ARM Mali-G71	Adreno 618
Memory
4GB/32GB	6GB (LPDDR4)/128GB 8GB/128GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (8.0 Oreo)	Android (12, 11, 10)

Battery

Type
3000 mAh	4500 mAh, Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 59min

Browsing

11h 32min

Video

11h 38min

Gaming

12h 46min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
5 MP (Depth information) Aperture size: F1.9 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 25 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (240 fps), 720p (960 fps) EIS
Front
8 MP (Flash) Video capture: 1080p	32 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct 802.11 a, b, g, n, ac	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, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Discover more

Full Specs Samsung Galaxy J7 Duo Specs

Full Specs Samsung Galaxy A71 Specs PA Review Samsung Galaxy A71 Review

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 4, 5, 8
Data Speed
LTE, HSPA, HSUPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Micro SIM	Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

Measured SAR
Head: 0.48 W/kg

Alternative variants

with 8 GB RAM

Memory	8GB