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

Design

Dimensions
5.9 x 3 x 0.3 inches 149.9 x 76.2 x 7.6 mm	6.40 x 2.97 x 0.32 inches 162.5 x 75.5 x 8.1 mm
Weight
5.90 oz (167.3 g)	6.53 oz (185.0 g)
Materials
	Back: Plastic Frame: Aluminum
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	Prism Cube black, Prism Cube sliver, Prism Cube blue

Display

Size
5.5-inch	6.7-inch
Resolution
1280x720px, 267 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
TFT	Super AMOLED Plus
Refresh rate
	60Hz
Screen-to-body
73.03 %	88.38 %
Colors
16 777 216
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 765 SM7250-AA (7 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A53	Octa-core 1x 2.3GHz Kryo 475 + 1x 2.2GHz Kryo 475 + 6x 1.8GHz Kryo 475
GPU
Adreno 506	Adreno 620
RAM
2GB (LPDDR3)	6GB (LPDDR4)
Internal storage
16GB	128GB (UFS 2.1), available to use: 104.3 GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 1000 GB
OS
Android (7.0 Nougat)	Android (12, 11, 10), Samsung One UI

Battery

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

Camera

Rear
Single camera	Quad camera
Main camera
8 MP (Autofocus, CMOS image sensor)	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) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Hyperlapse, EIS
Front
5 MP, Video capture: 1920x1080 (Full HD)	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 Hotspot, Wi-Fi Direct	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
	M4/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

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	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), 25(1900+), 26(850+)	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 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE, HSPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
	Nano SIM
HD Voice
Yes	Yes

Phone Features

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

Regulatory Approval

FCC approval
Date approved: Aug 01, 2017 FCC ID value: A3LSMJ727P	Date approved: Jun 04, 2020 FCC ID value: A3LSMA716U
Measured SAR
Head: 0.65 W/kg Body: 0.17 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.59 W/kg Phablet: 3.99 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

Availability

Officially announced
Apr 10, 2017	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 Perx Specs	Samsung Galaxy A71 5G Specs
User Reviews
	Samsung Galaxy A71 5G User Reviews