Samsung Galaxy J7 Star vs T-Mobile Revvlry Specs Comparison

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	5.85 x 2.81 x 0.32 inches 148.71 x 71.5 x 8.09 mm
Weight
6.38 oz (181.0 g)	5.93 oz (168.0 g)
Materials
	Back: Plastic
Resistance
	Splash
Biometrics
2D Face unlock	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	Black

Display

Size
5.5-inch	5.7-inch
Resolution
1280x720px, 16:9 ratio, 267 PPI	1520x720px, 19:9 ratio, 295 PPI
Technology
TFT	IPS LCD
Screen-to-body
71.45 %	76.46 %
Colors
	16 777 216
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 632 SDM632 (14 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 1800 MHz Kryo 250
GPU
Mali-T830 MP1	Adreno 506
RAM
2GB (LPDDR3)	3GB
Internal storage
32GB	32GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI	Android (9.0 Pie)

Battery

Capacity
3300 mAh	3000 mAh
Type
Li - Polymer
Charging
	Motorola TurboPower

Camera

Rear
Single camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	13 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps) Time-lapse video, Hyperlapse, EIS, Video calling, Video sharing
Front
13 MP	8 MP (Flash, HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	4.2
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,dual-band Hotspot, Wi-Fi Direct
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
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+, UMA (Wi-Fi Calling)	VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

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), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)
	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration
Other features
	Voice dialing, Voice commands, Voice recording, TTY/TDD

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	SIM card, Wall charger, Charging cable, Quick start guide, Terms & Conditions

Availability

Officially announced
	Jul 09, 2019

Links

Full specifications
Samsung Galaxy J7 Star Specs	T-Mobile Revvlry Specs
User Reviews
	T-Mobile Revvlry User Reviews