Samsung Galaxy M30 vs Samsung Galaxy J7 Max Specs Comparison

Design

Dimensions
6.26 x 2.96 x 0.33 inches 159 x 75.1 x 8.5 mm	6.17 x 3.10 x 0.32 inches 156.7 x 78.8 x 8.1 mm
Weight
6.14 oz (174.0 g)	6.31 oz (179.0 g)
Materials
Back: Plastic	Back: Aluminum
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Features
Soft keys	Touch sensitive control keys, Notification light
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black, Blue	Black, Gold

Display

Size
6.4-inch	5.7-inch
Resolution
2280x1080px, 19.5:9 ratio, 395 PPI	1920x1080px, 386 PPI
Technology
Super AMOLED	IPS LCD
Screen-to-body
86.66 %	72.58 %
Colors
	16 777 216
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm)	MediaTek Helio P20 MT6757 (16 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2300 MHz ARM Cortex-A53
GPU
Mali-G71 MP2	Mali-T880 MP2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB, available to use: 107.6 GB	32GB, available to use: 23.9 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 256 GB
OS
Android (9.0 Pie, 8.1 Oreo), Samsung One UI	Android (7.0 Nougat), Samsung Experience UI

Battery

Capacity
5000 mAh	3300 mAh
Type
	Li - Ion
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging

Camera

Rear
Triple camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	13 MP (Autofocus, CMOS image sensor) Aperture size: F1.7
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Video calling, Video sharing
Front
16 MP, Video capture: 1920x1080 (Full HD)	13 MP (Flash), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	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
Type-C, USB 2.0	microUSB, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
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), 8(900), 20(800 DD)
4G (TDD)
Bands 40(2300), 41(2600+)	Bands 40(2300)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 5(850), 8(900), 2(1900), 1(2100)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
VoLTE
Yes

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

FCC approval
Date approved: Feb 13, 2019 FCC ID value: A3LSMM305F
Measured SAR
Head: 0.28 W/kg Body: 0.39 W/kg Simultaneous Transmission: 1.24 W/kg Wireless Router: 0.93 W/kg	Head: 0.57 W/kg Body: 1.06 W/kg

Availability

Officially announced
Feb 27, 2019	Jun 14, 2017

Alternative variants

with 64 GB storage

RAM	4GB
Internal storage	64GB, available to use: 49.9 GB

Links

Full specifications
Samsung Galaxy M30 Specs	Samsung Galaxy J7 Max Specs