Samsung Galaxy J7 Perx vs Samsung Galaxy S20 Specs Comparison

Design

Dimensions
5.9 x 3 x 0.3 inches 149.9 x 76.2 x 7.6 mm	5.97 x 2.72 x 0.31 inches 151.7 x 69.1 x 7.9 mm
Weight
5.90 oz (167.3 g)	5.78 oz (163.0 g)
Materials
	Back: Glass (Corning Gorilla Glass 6) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
	2D Face unlock, Ultrasonic in-screen fingerprint
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Display

Size
5.5-inch	6.2-inch
Resolution
1280x720px, 267 PPI	3200x1440px, 20:9 ratio, 566 PPI
Technology
TFT	Dynamic AMOLED
Refresh rate
	120Hz (@1080p)
Screen-to-body
73.03 %	88.59 %
Colors
16 777 216
Features
Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A53	Octa-core 1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585
GPU
Adreno 506	Adreno 650
RAM
2GB (LPDDR3)	12GB (LPDDR5)
Internal storage
16GB	128GB (UFS 3.0)
Storage expansion
microSDXC up to 128 GB	microSDXC up to 1000 GB
OS
Android (7.0 Nougat)	Android (13, 12, 11, 10), Samsung One UI

Battery

Capacity
3300 mAh	4000 mAh
Type
Li - Ion	Li - Polymer
Charging
	Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 20min

Browsing

7h 45min

Video

10h 20min

Gaming

7h 43min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Triple camera
Main camera
8 MP (Autofocus, CMOS image sensor)	12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 1.8 μm
Second camera
	12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.4 μm
Third camera
	64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Sensor size: 1/1.7" Pixel size: 0.8 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, EIS
Front
5 MP, Video capture: 1920x1080 (Full HD)	10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

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,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 3.1
Hearing aid compatible
	M3/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), Barometer
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
	Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
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), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 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), 8(900)
Data Speed
LTE, HSPA, UMTS	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
	Nano SIM
HD Voice
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: Jan 24, 2020 FCC ID value: A3LSMG981U
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: 1.07 W/kg Body: 1.03 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.25 W/kg Phablet: 3.99 W/kg

Buyers information

MSRP
	$ 1000

Availability

Officially announced
Apr 10, 2017	Feb 11, 2020

Alternative variants

Global variant

System chip	Samsung Exynos 990 (7 nm)
Processor	Octa-core 2700 MHz 2x 2.73GHz Exynos M5 + 2x 2.5GHz Cortex-A75 + 4x 2.0GHz Cortex-A55
GPU	Mali G77 MP11

non 5G variant

RAM	8GB
FCC approval	Date approved: Jan 28, 2020 FCC ID value: A3LSMG980F
Measured SAR	Head: 0.37 W/kg Body: 1.01 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 2.67 W/kg

for Verizon

Storage expansion	not expandable
5G	Bands n260, n261, mmWave
4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 34(2000), 39(1900+), 46, 48(3600)
Hearing aid compatible	M4/T3

Links

Full specifications
Samsung Galaxy J7 Perx Specs	Samsung Galaxy S20 Specs
PhoneArena Review
	Samsung Galaxy S20 Review
User Reviews
	Samsung Galaxy S20 User Reviews