Samsung Galaxy J7 Star vs Samsung Galaxy A71 5G Specs Comparison

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	6.40 x 2.97 x 0.32 inches 162.5 x 75.5 x 8.1 mm
Weight
6.38 oz (181.0 g)	6.53 oz (185.0 g)
Materials
	Back: Plastic Frame: Aluminum
Biometrics
2D Face unlock	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
Blue	Prism Cube black, Prism Cube sliver, Prism Cube blue

Display

Size
5.5-inch	6.7-inch
Resolution
1280x720px, 16:9 ratio, 267 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
TFT	Super AMOLED Plus
Refresh rate
	60Hz
Screen-to-body
71.45 %	88.38 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Qualcomm Snapdragon 765 SM7250-AA (7 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 1x 2.3GHz Kryo 475 + 1x 2.2GHz Kryo 475 + 6x 1.8GHz Kryo 475
GPU
Mali-T830 MP1	Adreno 620
RAM
2GB (LPDDR3)	6GB (LPDDR4)
Internal storage
32GB	128GB (UFS 2.1), available to use: 104.3 GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 1000 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
3300 mAh	4500 mAh
Type
Li - Polymer	Li - Polymer
Charging
	Fast charging
Charge speed
	Wired: 25.0W

Camera

Rear
Single camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 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
	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 Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Hyperlapse, EIS
Front
13 MP	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
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
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M3/T3	M4/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+, UMA (Wi-Fi Calling)	NFC, ANT+

Multimedia

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

Cellular

5G
	Bands n2, n5, n41, n66, n71, Sub-6, mmWave
4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 20(800 DD), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD)
	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes

Regulatory Approval

FCC approval
Date approved: May 10, 2018 FCC ID value: A3LSMJ737T	Date approved: Jun 04, 2020 FCC ID value: A3LSMA716U
Measured SAR
Head: 1.36 W/kg Body: 1.01 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.11 W/kg Phablet: 3.60 W/kg	Head: 0.69 W/kg Body: 1.11 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.93 W/kg
EU SAR
	Head: 1.24 W/kgBody: 1.53 W/kg

Buyers information

MSRP
	$ 600
In The Box
USB cable, Wall charging adapter, Start guide, Terms & Conditions

Availability

Officially announced
	Apr 08, 2020

Alternative variants

for T-Mobile

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

for Sprint

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

International version

Storage expansion	microSDXC
5G	Bands n41, n78, SA, NSA, Sub-6
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy J7 Star Specs	Samsung Galaxy A71 5G Specs
User Reviews
	Samsung Galaxy A71 5G User Reviews