Samsung Galaxy J7 Max vs Samsung Galaxy M30s Specs Comparison

Design

Dimensions
6.17 x 3.10 x 0.32 inches 156.7 x 78.8 x 8.1 mm	6.26 x 2.96 x 0.35 inches 159 x 75.1 x 8.9 mm
Weight
6.31 oz (179.0 g)	6.63 oz (188.0 g)
Materials
Back: Aluminum	Back: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys, Notification light
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold	Black, Blue, White

Display

Size
5.7-inch	6.4-inch
Resolution
1920x1080px, 386 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
72.58 %	84.11 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P20 MT6757 (16 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2300 MHz ARM Cortex-A53	Octa-core 2300 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-T880 MP2	Mali-G72 MP3
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
32GB, available to use: 23.9 GB	64GB, available to use: 50.5 GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat), Samsung Experience UI	Android (11, 9.0 Pie), Samsung One UI

Battery

Capacity
3300 mAh	6000 mAh
Type
Li - Ion
Charging
	Fast charging

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.7	48 MP (PDAF) Aperture size: F2.0 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm
Third camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps) EIS
Front
13 MP (Flash), Video capture: 1920x1080 (Full HD)	16 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 a,b,g,n,dual-band Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
VoIP, 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
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM, RDS
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 8(900), 20(800 DD)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 40(2300)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Phone Features

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

Regulatory Approval

Measured SAR
Head: 0.57 W/kg Body: 1.06 W/kg

Availability

Officially announced
Jun 14, 2017

Links

Full specifications
Samsung Galaxy J7 Max Specs	Samsung Galaxy M30s Specs