Samsung Galaxy S9+ vs Samsung Galaxy J7 Star Specs Comparison

Design

Dimensions
6.22 x 2.91 x 0.33 inches 158.1 x 73.8 x 8.5 mm	6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm
Weight
6.67 oz (189.0 g)	6.38 oz (181.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	2D Face unlock
Features
Notification light	Touch sensitive control keys
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue, Polaris blue	Blue

Display

Size
6.2-inch	5.5-inch
Resolution
2960x1440px, 18.5:9 ratio, 531 PPI	1280x720px, 16:9 ratio, 267 PPI
Technology
Super AMOLED	TFT
Screen-to-body
83.68 %	71.45 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Samsung Exynos 7 Octa 7870 (14 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 1600 MHz ARM Cortex-A53
GPU
Adreno 630	Mali-T830 MP1
Memory
6GB (LPDDR4)/64GB	2GB (LPDDR3)/32GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 400 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo)	Android (9.0 Pie, 8.0 Oreo)

Battery

Type
3500 mAh, Li - Ion	3300 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging

Camera

Rear
Dual camera	Single camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Second camera
12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.6" Pixel size: 1 μm
Flash
LED	LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing	1080p (30 fps)
Front
8 MP (Autofocus, HDR) Video capture: QHD (30 fps)	13 MP

Connectivity & Features

Bluetooth
5.0	4.2
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	microUSB, USB 2.0
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC, ANT+, UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, Dolby Atmos, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 2, 4, 5, 12, 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 39, 40, 41, 46
3G
Bands 5, 8, 4, 2, 1	Bands 5, 4, 2, 1
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Regulatory Approval

FCC approval
Date approved: Jan 11, 2018 FCC ID value: A3LSMG965U	Date approved: May 10, 2018 FCC ID value: A3LSMJ737T
Measured SAR
Head: 0.36 W/kg Body: 0.79 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.04 W/kg Phablet: 3.94 W/kg	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

Buyers information

MSRP
$ 840
In The Box
	USB cable, Wall charging adapter, Start guide, Terms & Conditions

Availability

Officially announced
Feb 25, 2018

Alternative variants

International version

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
FCC approval	Date approved: Dec 27, 2017 FCC ID value: A3LSMG965F
Measured SAR	Head: 0.23 W/kg Body: 0.58 W/kg Simultaneous Transmission: 1.46 W/kg Wireless Router: 1.05 W/kg Phablet: 3.68 W/kg

with Dual SIM

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
Dual SIM	Yes

with 256 GB storage

Memory	256GB
MSRP	$ 940

with 128 GB storage

Memory	128GB
MSRP	$ 890

Links

Full specifications
Samsung Galaxy S9+ Specs	Samsung Galaxy J7 Star Specs
PhoneArena Review
Samsung Galaxy S9+ Review
User Reviews
Samsung Galaxy S9+ User Reviews