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Samsung Galaxy J7 Max vs Samsung Galaxy M30s

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

Display

Size:

5.7 inches
6.4 inches

Resolution:

1920 x 1080 pixels, 386 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

IPS LCD
Super AMOLED

Screen-to-body:

72.58 %
84.11 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

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

Hardware

System chip:

MediaTek Helio P20 MT6757
Samsung Exynos 9611

Processor:

Octa-core, 2300 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

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

Device type:

Smartphone
Smartphone

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, Not user replaceable
Not user replaceable

Charging:

Fast charging

Camera

Rear:

Single camera
Triple camera

Main camera:

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

Specifications:

Aperture size: F1.7
Aperture size: F2.0; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm

Third camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)

Features:

Video calling, Video sharing
EIS

Front:

13 MP (Flash)
16 MP (HDR)

Video capture:

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

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

Cellular

LTE (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)

LTE (TDD):

Bands 40(2300)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

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

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):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0

Wi-Fi:

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 (reversible), USB 2.0

Features:

Mass storage device, OTG, Charging
Charging

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

Phone features

Notifications:

Haptic feedback

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
FCC OKs Cingular\'s purchase of AT&T Wireless