Samsung Galaxy J7 Star vs Samsung Galaxy A15 5G Specs Comparison

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	6.30 x 3.02 x 0.33 inches 160.1 x 76.8 x 8.4 mm
Weight
6.38 oz (181.0 g)	7.05 oz (200.0 g)
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Blue	Blue Black, Light Blue

Display

Size
5.5-inch	6.5-inch
Resolution
1280x720px, 16:9 ratio, 267 PPI	2340x1080px, 19.5:9 ratio, 396 PPI
Technology
TFT	Super AMOLED
Refresh rate
	90Hz
Screen-to-body
71.45 %	84.49 %
Peak brightness
	800 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Mediatek Dimensity 6100+ (6 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 2x2.2GHz Cortex-A76 + 6x2.0GHz Cortex-A55
GPU
Mali-T830 MP1	Mali-G57 MC2
Memory
2GB (LPDDR3)/32GB	4GB/128GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 1000 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (14)

Battery

Type
3300 mAh, Li - Polymer	5000 mAh
Charging
	Fast charging
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 43min

Browsing

10h 41min

Video

12h 15min

Gaming

10h 19min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	50 MP (Autofocus) Aperture size: F1.8
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2
Third camera
	2 MP (Macro) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps)	1080p (30 fps)
Front
13 MP	13 MP Video capture: 1080p

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

122

Overall

136

Photo

107

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
4.2	5.3
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
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+, UMA (Wi-Fi Calling)	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, n40, n41, n66, n71, n77, n78, SA, NSA, Sub-6
4G (FDD)
Bands 2, 4, 5, 12, 66(AWS-3), 71(600)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66(AWS-3)
4G (TDD)
	Bands 38, 40, 41
3G
Bands 5, 4, 2, 1	Bands 1, 2, 4, 5, 8
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A
Dual SIM
	Yes
SIM type
Nano SIM	Dual Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: May 10, 2018 FCC ID value: A3LSMJ737T
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

Buyers information

MSRP
	$ 200
In The Box
USB cable, Wall charging adapter, Start guide, Terms & Conditions	Phone, USB Type-C cabel, SIM ejector tool, Papers

Availability

Officially announced
	Dec 11, 2023

Links

Full specifications
Samsung Galaxy J7 Star Specs	Samsung Galaxy A15 5G Specs
PhoneArena Review
	Samsung Galaxy A15 5G Review
User Reviews
	Samsung Galaxy A15 5G User Reviews