Samsung Galaxy J7 vs OPPO A91 Specs Comparison

Availability

Officially announced
Jul 16, 2015	Dec 20, 2019
Prices (MSRP)
$234

Design

Dimensions
6.00 x 3.09 x 0.30 inches 152.4 x 78.6 x 7.5 mm	6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm
Weight
6.03 oz / 171.0 g	6.07 oz / 172.0 g
Materials
	Back: Plastic Frame: Plastic
Biometrics
	Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black, Gold, White	Lightening Black, Unicorn White, Blazing Blue

Display

Size
5.5-inch, 69.72% screen-to-body	6.4-inch, 84.05% screen-to-body
Type
Super AMOLED	AMOLED, 60Hz
Resolution
1280x720px, 267 PPI	2400x1080px, 20:9 ratio, 411 PPI
Colors
16 777 216
Protection
	Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 615 8939	Mediatek Helio P70 MT6771V (12 nm)
Processor
Octa-core 1500 MHz ARM Cortex-A53	Octa-core 2100 MHz Cortex-A73
GPU
Adreno 405	Mali-G72 MP3
Memory
1.5GB (LPDDR3)/16GB 2GB/16GB	4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB
Storage expansion
microSDXC up to 128 GB	microSDXC
OS
Android (6.0 Marshmallow, 5.1 Lollipop)	Android (9.0 Pie)

Battery

Type
3000 mAh	4025 mAh, Li - Polymer
Charging
	SuperVOOC 3.0
Charge speed
	Wired: 20.0W

Camera

Rear
Single camera	Dual camera
Main camera
13 MP (Autofocus) Aperture size: F1.9 Focal length: 28 mm	48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/3.1" Pixel size: 1 μm
Flash
LED	LED
Video recording
1080p (30 fps) Video calling	1080p (30 fps) HDR, Time-lapse video, EIS
Front
5 MP (Flash)	16 MP Video capture: 720p (30 fps)

Connectivity & Features

Bluetooth
4.1	4.2
WLAN
b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n	b,g,n,ac Wi-Fi Direct, Hotspot 802.11 b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
ANT+

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, RDS	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 3, 5, 7, 8
4G (TDD) Bands
40	38, 40, 41
3G Bands
5, 8, 2, 1	1, 5, 8
Data Speed
LTE, HSPA	LTE, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	No
SIM type
Micro SIM	Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Alternative variants

Memory	2GB
4G (FDD) Bands	12, 5, 26, 4, 2, 25
4G (TDD) Bands	41
3G Bands	5, 8, 4, 2, 1

Comes with 8GB RAM

Memory	8GB

Memory	2GB
OS	Android (7.1 Nougat)
4G (FDD) Bands	2, 4, 5, 12
3G Bands	5, 4, 2, 1

Links

Full specifications
Samsung Galaxy J7 Specs	OPPO A91 Specs
User Reviews
Samsung Galaxy J7 User Reviews