Side-by-side technical data

Samsung Galaxy J7 Duo vs Samsung Galaxy J7 Max

Comparison between Samsung Galaxy J7 Duo and Samsung Galaxy J7 Max: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.

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Samsung

Galaxy J7 Duo

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Galaxy J7 Max

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The verdict

Your pick: Samsung Galaxy J7 Max, ahead on Performance & hardware, Camera and Battery & charging. Unless Design & display or Connectivity decides it for you.

Category
Category	Galaxy J7 Duo	Galaxy J7 Max
Design & display	6.8	5.4
Performance & hardware	2.8	3.1
Camera	3.9	4.2
Connectivity	4.1	3.6
Battery & charging	2.2	2.7

Which one is for you?

Samsung Galaxy J7 Duo, if you care about…

Wi-Fi Standards: Wi-Fi 802.11a/b/g/n/ac; against Wi-Fi 802.11a/b/g/n
Display Technology: Super AMOLED; against PLS LCD
OS Version: 8; against 7

Samsung Galaxy J7 Max, if you care about…

Battery Capacity: 3,300 mAh; against 3,000 mAh
Display Pixel Density: 386 ppi; against 267 ppi
Display Diagonal: 5.7″; against 5.5″
Display Horizontal Resolution: 1,080 px; against 720 px

Specification comparison

Show differences only

Performance

Specification	Galaxy J7 Duo	Galaxy J7 Max
Processor Model	Samsung Exynos 7885	MediaTek Helio P20
Processor Process Size	14 nm Best value	16 nm
Graphics GPU	Mali-G71	ARM Mali-T880 MP2
Storage Type	eMMC 5.1	eMMC 5.1
Maximum CPU Clock	2.2 GHz	2.35 GHz Best value
Maximum Storage Capacity	32 GB	32 GB
CPU Description	Octa-core (2x2.2 GHz Cortex-A73 and 6x1.6 GHz Cortex-A53)	Octa-core CPU with 4x 2.35 GHz Cortex-A53 and 4x 1.65 GHz Cortex-A53
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	4 GB	4 GB
RAM Type	—	DDR4
Expandable Storage	Yes	Yes
Maximum memory card	—	256 GB

Design

Specification	Galaxy J7 Duo	Galaxy J7 Max
Body Colors	Black, Gold, Rose Gold, White, Blue	Black, Gold
Body Thickness	8.2 mm	8.1 mm Best value
Body Width	77.2 mm	78.8 mm
Body Height	153.5 mm	156.7 mm
Weight	174 g Best value	179 g
Usable Surface	70.4 %	72.5 % Best value
Body Materials	—	Glass, Aluminium Alloy, Plastic

Battery

Specification	Galaxy J7 Duo	Galaxy J7 Max
Battery Capacity	3,000 mAh	3,300 mAh Best value
Battery Type	Li-Ion	Li-Ion
Battery Features	—	Battery Level Indicator, Rechargeable
Talk time	—	20 h
Music playback time	—	72 h

Display

Specification	Galaxy J7 Duo	Galaxy J7 Max
Display Aspect Ratio	16:9	16:9
Display Technology	Super AMOLED Best value	PLS LCD
Display Diagonal	5.5″	5.7″ Best value
Display Horizontal Resolution	720 px	1,080 px Best value
Display Vertical Resolution	1,280 px	1,920 px Best value
Display Pixel Density	267 ppi	386 ppi Best value
Display Features	—	PLS LCD, Touchscreen

Sensors

Specification	Galaxy J7 Duo	Galaxy J7 Max
Fingerprint Sensor Placement	Front	Front

Sensor

Specification	Galaxy J7 Duo	Galaxy J7 Max
Sensor Features	Fingerprint Sensor, Accelerometer, Proximity Sensor	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass

Software

Specification	Galaxy J7 Duo	Galaxy J7 Max
Operating System	Android 8	Android 7
OS Family	Android	Android
OS Version	8 Best value	7

Connectivity

Specification	Galaxy J7 Duo	Galaxy J7 Max
SIM Configurations	Single Micro-SIM, Dual Micro-SIM, Dual SIM Dual Standby	Dual Nano-SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B20, 4G LTE B40
Cellular Technologies	GSM, HSPA, LTE	GSM, HSPA, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac Best value	Wi-Fi 802.11a/b/g/n
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Direct
Bluetooth Version	Bluetooth 4.2	Bluetooth 4.2
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, GLONASS, BeiDou Best value	GPS, GLONASS
Connectivity Features	3.5 mm Audio Jack, ANT+, FM Radio, microUSB	3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG
USB Version	microUSB	microUSB
SAR American Head	—	0.57 W/kg
SAR American Body	—	1.06 W/kg
SAR (EU) head	0.54 W/kg	0.46 W/kg Best value
SAR (EU) body	1.4 W/kg Best value	1.52 W/kg
Max. download speed	—	300 Mbps
Max. upload speed	—	50 Mbps

Audio

Specification	Galaxy J7 Duo	Galaxy J7 Max
Microphone Count	—	2
Audio Features	A2DP, LE, Loudspeaker	A2DP, LE, Loudspeaker

Technical

Specification	Galaxy J7 Duo	Galaxy J7 Max
Model numbers	SM-J720F, SM-J720F/DS, SM-J720M, SM-J720M/DS	SM-G615F, SM-G615FU