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Samsung Galaxy M30 vs Samsung Galaxy J7 Max vs Samsung Galaxy J7 (2017)

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.4 inches
5.7 inches
5.5 inches

Resolution:

2280 x 1080 pixels, 19.5:9 ratio, 395 PPI
1920 x 1080 pixels, 386 PPI
1920 x 1080 pixels, 401 PPI

Technology:

Super AMOLED
IPS LCD
Super AMOLED

Screen-to-body:

86.66 %
72.58 %
73.28 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

Proximity sensor
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7904
MediaTek Helio P20 MT6757
Samsung Exynos 7 Octa 7870

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU:

Mali-G71 MP2
Mali-T880 MP2
Mali-T830 MP2

RAM:

6GB LPDDR4
4GB LPDDR4
3GB LPDDR3

Internal storage:

128GB, available to use: 107.6 GB
32GB, available to use: 23.9 GB
16GB, available to use: 10 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 256 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Android (7.0 Nougat), Samsung Experience UI
Android (9.0 Pie, 7.0 Nougat), Samsung One UI

Battery

Capacity:

5000 mAh
3300 mAh
3600 mAh

Type:

Not user replaceable
Li - Ion, Not user replaceable
Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging

Camera

Rear:

Triple camera
Single camera
Single camera

Main camera:

13 MP (PDAF)
13 MP (Autofocus, CMOS image sensor)
13 MP (Autofocus)

Specifications:

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.7
Aperture size: F1.7

Second camera:

5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

Video calling, Video sharing
Video calling, Video sharing
Video calling, Video sharing

Front:

16 MP
13 MP (Flash)
13 MP (Flash)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

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)
6.00 x 2.94 x 0.31 inches (152.5 x 74.8 x 8 mm)

Weight:

6.14 oz (174.0 g)
6.31 oz (179.0 g)
6.38 oz (181.0 g)

Materials:

Back: Plastic
Back: Aluminum
Back: Aluminum

Biometrics:

2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)

Features:

Soft keys
Touch sensitive control keys, Notification light
Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Black, Blue
Black, Gold
Black, Gold, Silver, Rose gold

Cellular

LTE (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)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

Bands 40(2300), 41(2600+)
Bands 40(2300)
Bands 40(2300)

UMTS:

Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 5(850), 8(900), 2(1900), 1(2100)
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
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

VoLTE:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos, Album art cover, Background playback
Album art cover, Background playback
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
4.2
4.1

Wi-Fi:

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
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
microUSB, USB 2.0
microUSB, USB 2.0

Features:

Charging, Mass storage device
Mass storage device, OTG, Charging
Charging, OTG, Mass storage device

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, BeiDou

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

VoIP, Tethering, Computer sync, OTA sync
VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Phone features

Notifications:

Haptic feedback

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
0.57 W/kg

Body:

0.39 W/kg
1.06 W/kg

Simultaneous Transmission:

1.24 W/kg

Wireless Router:

0.93 W/kg

Availability

Officially announced:

Feb 27, 2019
Jun 14, 2017
Jun 06, 2017
FCC OKs Cingular\'s purchase of AT&T Wireless