Samsung Galaxy J7 (2017) vs Samsung Galaxy M20 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Samsung Galaxy J7 (2017) Samsung Galaxy M20
Released · Jul 01, 2017
Released · Feb 05, 2019
5.5-inch · 1920x1080px
6.3-inch · 2340x1080px
Single camera
Dual camera
3GB · 16GB
4GB · 64GB
3600 mAh
5000 mAh

Availability

Officially announced
Jun 06, 2017 Jan 28, 2019

Design

Dimensions
6.00 x 2.94 x 0.31 inches
152.5 x 74.8 x 8 mm
6.16 x 2.93 x 0.35 inches
156.4 x 74.5 x 8.8 mm
Weight
6.38 oz / 181.0 g 6.56 oz / 186.0 g
Materials
Back: Aluminum Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch) 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
Black, Gold, Silver, Rose gold Ocean blue, Charcoal black

Display

Size
5.5-inch, 73.28% screen-to-body 6.3-inch, 83.67% screen-to-body
Type
Super AMOLED IPS LCD
Resolution
1920x1080px, 401 PPI 2340x1080px, 19.5:9 ratio, 409 PPI

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm) Samsung Exynos 7 Octa 7904 (14 nm)
Processor
Octa-core
ARM Cortex-A53
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-T830 MP2 Mali-G71 MP2
Memory
3GB (LPDDR3)/16GB 4GB (LPDDR4)/64GB
3GB/32GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (7.0 Nougat) Android (10, 9.0 Pie, 8.1 Oreo)

Battery

Type
3600 mAh 5000 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging

Camera

Rear
Single camera Dual camera
Main camera
13 MP (Autofocus)
Aperture size: F1.7
13 MP (PDAF)
Aperture size: F1.9
Sensor size: 1/3.1"
Pixel size: 1.12 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Flash
LED LED
Video recording
1080p (30 fps)
Video calling, Video sharing
1080p (30 fps)
Front
13 MP (Flash)
Video capture: 1080p
8 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
4.1 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
USB
microUSB, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync NFC

Multimedia

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

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20 1, 3, 5, 7, 8, 20
4G (TDD) Bands
40 38, 40, 41
3G Bands
1, 2, 5, 8 5, 8, 2, 1
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes Yes

Regulatory Approval

FCC approval
Date approved: Jan 20, 2019
FCC ID value: A3LSMM205FN
Measured SAR
Head: 0.18 W/kg
Body: 0.54 W/kg
Simultaneous Transmission: 1.29 W/kg
Wireless Router: 1.13 W/kg

Alternative variants

Dual SIM Yes
with 32 GB storage
Memory 3GB/32GB
FCC OKs Cingular\'s purchase of AT&T Wireless