Samsung Galaxy J7 Duo vs Samsung Galaxy M31 (8GB RAM +128GB)

Here you can compare Samsung Galaxy J7 Duo and Samsung Galaxy M31 (8GB RAM +128GB). Comparing Samsung Galaxy J7 Duo vs Samsung Galaxy M31 (8GB RAM +128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy J7 Duo stands against Samsung Galaxy M31 (8GB RAM +128GB) and which one should you buy The current lowest price found for Samsung Galaxy J7 Duo is ₹12,399 and for Samsung Galaxy M31 (8GB RAM +128GB) is ₹22,999. The details of both of these products were last updated on Apr 26, 2024.

Specification	Samsung Galaxy J7 Duo	Samsung Galaxy M31 (8GB RAM +128GB)
Battery	3000 mAh, Li-ion Battery	6000 mAh, Li-Po Battery
CPU	1.6 GHz, Octa Core Processor	2.3 GHz, Octa Core Processor
Internal Memory	32 GB	128 GB
Rear Camera	13 MP + 5 MP with autofocus	64 MP f/1.8 (Wide Angle) 8 MP f/2.2 (Ultra Wide) 5 MP f/2.2 (Macro) 5 MP f/2.2 (Depth Sensor) with autofocus
Display	5.5 inches, 720 x 1280 pixels	6.4 inches, 1080 x 2340 pixels
Price	₹12,399	₹22,999

Samsung Galaxy J7 Duo₹12,399

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Samsung Galaxy M31 (8GB RAM +128GB)₹22,99915%

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Samsung Galaxy J7 Duo₹12,399

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Samsung Galaxy M31 (8GB RAM +128GB)₹22,99915%

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Overview

Specs Score	60 / 100	84 / 100 Better Specs
Display Size	5.5 in	6.4 in Bigger Display
Display Resolution	720 x 1280 pixels	1080 x 2340 pixels Better Resolution
Screen To Body Ratio		~ 84.1% Less Bezels
RAM	4 GB	8 GB More RAM
Storage	32 GB	128 GB More Storage
CPU Clock Speed	1.6 GHz	2.3 GHz Faster Clock Speed
Rear Camera	13 MP + 5 MP Dual	64 MP Quad Better Camera Resolution
Front Camera	8 MP	32 MP Better Front Camera Resolution
Weight	174 g Lighter	191 g
Thickness	8.19 mm Slimmer	8.9 mm
Battery	3000 mAh	6000 mAh Bigger Battery
Unique Features	No	Fast Charging

General

Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Micro+Micro SIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	April, 2018	May 30, 2020

Design

Dimensions	77.2 x 153.5 x 8.19 mm	75.1 x 159.2 x 8.9 mm
Weight	174 g	191 g

Display

Type	Color Super AMOLED Screen (16M colors Colors)	Color Super AMOLED Screen (16M Colors)
Touch	Yes	Yes
Size	5.5 inches, 720 x 1280 pixels	6.4 inches, 1080 x 2340 pixels
Aspect Ratio	16:9	19.5:9
PPI	~ 267 PPI	~ 403 PPI
Screen to Body Ratio		~ 84.1%
Glass Type		Corning Gorilla Glass 3
Notch		Yes, Water Drop Notch

Memory

RAM	4 GB	8 GB
Storage	32 GB	128 GB
Card Slot	Yes	Yes, upto 512 GB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
VoLTE	Yes	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Bluetooth	Yes	Yes, v5.0, A2DP, LE
USB	Yes	Yes, USB-C v2.0
USB Features		USB on-the-go, USB Charging

Extra

GPS	Yes, with A-GPS Support	yes with A-GPS
Fingerprint Sensor	Yes	Yes, Rear
Face Unlock		Yes
Sensors	Accelerometer	Geomagnetic Sensor, Proximity sensor, Accelerometer, Gyro Sensor, Virtual Light Sensing, Compass
3.5mm Headphone Jack	Yes	Yes
Extra Features		UFS 2.1

Camera

Rear Camera	13 MP + 5 MP with autofocus	64 MP f/1.8 (Wide Angle) 8 MP f/2.2 (Ultra Wide) 5 MP f/2.2 (Macro) 5 MP f/2.2 (Depth Sensor) with autofocus
Features	Face detection, Geo tagging, Panorama, Touch to focus	Digital Zoom, Auto Flash, Face detection, Touch to focus
Video Recording	1080p @ 30 fps FHD	4K @ 30 fps UHD, 1080p @ 30 fps FHD
Flash	Yes, Dual LED	Yes, LED
Front Camera	8 MP with LED Flash	32 MP f/2 (Wide Angle)
Front Video Recording		1080p @ 30 fps FHD

Technical

OS	Android v8.0 (Oreo)	Android v10.0, upgradable to v12
Chipset	Samsung Exynos 7870	Samsung Exynos 9611
CPU	1.6 GHz, Octa Core Processor	2.3 GHz, Octa Core Processor
Core Details		4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53
GPU	Mali-T830 MP1	Mali-G72 MP3
Java	Yes, via 3rd party	No
Browser	Yes, supports HTML	Yes, supports HTML5

Multimedia

Supports	MMS, Instant Messaging
Email	Yes, with Push Email	Yes
Music	MP3, WAV, WMA, eAAC+, FLAC	MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Video	MP4, WMV, H.264	MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
FM Radio	Yes	Yes, with FM Recording
Document Reader	Yes	Yes

Battery

Type	Removable Battery	Non-Removable Battery
Size	3000 mAh, Li-ion Battery	6000 mAh, Li-Po Battery
Fast Charging		Yes, 15W Fast Charging
Talk Time		2 days
Music Playback Time		119 hours

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