Samsung Galaxy J7 (2017) vs Samsung Galaxy A70
Display
Display size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body ratio
73.28 %
85.97 %
Features
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Triple camera
Main camera
Hardware Features
Autofocus
Phase detection autofocus
Specifications
Aperture size: F1.7
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
Second camera
8 megapixels
Hardware Features
Ultra-wide
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera
5 megapixels
Hardware Features
Depth information
Specifications
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Flash
LED
LED
Video recording
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps)
Features
Video calling, Video sharing
Video calling, Video sharing
Front
13 megapixels
32 megapixels
Features
Flash
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Aluminum
Back: Plastic
Biometrics
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Features
Touch sensitive control keys
Colors
Black, Gold, Silver, Pink
Black, Pink, Blue, White
Hardware & Performance
System chip
Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 675 SM6150
Processor
GPU
Mali-T830 MP2
Adreno 612
RAM
Internal storage
16 GB
128 GB
Maximum User Storage
10 GB
108.3 GB
Storage expansion
up to 256 GB
up to 512 GB
OS
Android (9.0 Pie, 7.0 Nougat), Samsung One UI
Android (9.0 Pie), Samsung One UI
Battery
Capacity
3600 mAh
4500 mAh
Charging
Samsung Adaptive Fast Charging
Talk time (3G)
the average is 23 h (1387 min)
the average is 23 h (1387 min)
Internet use
3G
12 hours
14 hours
LTE
15 hours
16 hours
Wi-Fi
16 hours
16 hours
Music playback
59.00 hours
128.00 hours
Video playback
18.00 hours
24.00 hours
Cellular
LTE (FDD)
Bands 1, 3, 5, 7, 8, 20
Bands 1, 3, 5, 7, 8, 20
LTE (TDD)
Bands 40
Bands 38, 40, 41
UMTS
850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
GSM
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
VoLTE
Yes
Connectivity
Bluetooth
4.1
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band
USB
USB 2.0
USB 2.0
Connector
microUSB
USB Type-C (reversible)
Features
Mass storage device, USB OTG, USB charging
Mass storage device
Mobile Payment
Samsung Pay
Samsung Pay
Location
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Notifications
Haptic feedback
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
FM
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Additional microphone(s)
for Noise cancellation
Regulatory Approval
FCC measured SAR
Head
0.26 W/kg
Body
0.25 W/kg
Simultaneous Transmission
0.89 W/kg
Wireless Router
0.38 W/kg
Shopping information
In The Box
25W charger
