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Samsung Galaxy M31 vs Samsung Galaxy J7 Max

Key Feature Comparison

6.9

Samsung Galaxy M31

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5.9

Samsung Galaxy J7 Max

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At a Glance

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Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core (2.39 GHz, Quad core, Cortex A53 + Cortex A53)

MediaTek MT6757, Mali-T880 MP2

6000 mAh

Li-ion, Fast, 15W

3300 mAh

Li-ion

6.4 inches

403 ppi, FHD

5.7 inches

386 ppi, FHD

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Single, 13MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches
5.7 inches

Screen Type

Super AMOLED
TFT

Screen Resolution

1080 x 2340 pixels
1080 x 1920 pixels

Pixel Density

403 ppi
386 ppi

Aspect Ratio

19.5:9
16:09

Screen Protection

Gorilla Glass 3
-

Screen to Body Ratio

83.92%
72.37%

Screen Design

Regular notch
-

Screen Quality

FHD
FHD

Phone Variants

6GB 64GB, 8GB 128GB, 6GB 128GB
4GB 32GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR3

Storage Type

UFS 2.1
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)
Android v7.0 (Nougat)

GPU

Mali-G72 MP3
Mali-T880 MP2

Chipset

Samsung Exynos 9 Octa 9611
MediaTek MT6757

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.39 GHz, Quad core, Cortex A53 + Cortex A53)

Custom User Interface

Samsung One UI
-

Clock Speed

2.3 GHz
2.39 GHz

Architecture

64 bit
64 bit

Process Technology

10 nm
16 nm

Battery Capacity

6000 mAh
3300 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-ion

Charger Type

Fast, 15W
-

USB Type-C

Yes
No

Fast Charging

Yes
-

Announced On

25-Feb-20
5-Jun-17

Market Status

Available
Out of Stock

Brand

Samsung
Samsung

Model Number

SM-M315FZKDINS
-

Price Status

Confirmed
Confirmed

Price

Rs. 15,999
Rs. 15,900

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby Atmos
-

NFC

No
No

Network Support

4G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
-

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/b/g/n/n 5GHz

Bluetooth Type

v5.0
v4.2

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (LTE category 4), 3...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (LTE category 4), 3...

Front Video Recording

1920x1080 @ 30 fps
1080p30fps

Front Camera Features

HDR
LED flash

Front Camera Setup

Single, 32MP
Single, 13MP

Front Camera 1 Resolution

32 MP
13 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/1.9 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
-

Front Sensor

Exmor RS
CMOS

Front Aperture

f/2.0
f/1.9

Front Flash

No
Yes, LED Flash

Weight

191 grams
179 grams

Colors

Black, Blue
Black, Gold

Build

Back: Plastic
Back: Aluminium

Dimensions

159.2 x 75.1 x 8.9 mm
156.7 x 78.8 x 8.1 mm

SAR Value

Head: 0.383 W/kg
Head: 0.710 W/kg

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
1920x1080 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 8MP + 5MP + 5MP
Single, 13MP

Rear Camera 1 Resolution

64 MP
13 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.7 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
-

Rear Camera 2 Resolution

8 MP
-

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
-

Rear Camera 2 Lens

12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-

Rear Camera 3 Resolution

5 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
-

Rear Camera 3 Lens

25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-

Rear Camera 4 Resolution

5 MP
-

Rear Camera 4 Type

f/2.2, Depth Camera
-

Rear Sensor

ISOCELL Plus
CMOS image sensor

Rear Aperture

f/1.8
f/1.7

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Rear
-

Face Unlock

Yes
-

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