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Samsung Galaxy J7 Max vs Samsung Galaxy M21

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Rs. 15,900
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Rs. 14,775
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Summary
71%
79%
Performance

MediaTek MT6757

4 GB RAM

Samsung Exynos 9 Octa 9611

4 GB RAM

Display

5.7" (14.48 cm)

1080x1920 px (FULL HD)

6.4" (16.26 cm)

1080x2340 px (FHD+)

Rear Camera

13 MP

Single Camera

48 MP + 8 MP + 5 MP

Triple Camera

Front Camera

13 MP

Single Camera

20 MP

Single Camera

Battery

3300 mAh

20 h talktime (3G)

6000 mAh

Storage

32 GB

256 GB (Expandable)

64 GB

512 GB (Expandable)

Expert Rating

3.5/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 17,641 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 248,431 ratings

Read All User Reviews

Benchmarks

N/A

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Not Available in any store
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General
Launch Date

June 20, 2017 (Official)

March 18, 2020 (Official)

Operating System

Android v7.0 (Nougat)

Android v10 (Q)

Custom UI

Samsung One UI

Performance
Good
Good
Chipset

MediaTek MT6757

Samsung Exynos 9 Octa 9611

CPU

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

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

Architecture

64 bit

64 bit

Graphics

Mali-T880 MP2

Mali-G72 MP3

RAM

4 GB

4 GB

RAM Type

LPDDR3

LPDDR4X

Display
Average
Very Good
Display Type

TFT

Super AMOLED

Screen Size

5.7 " (14.48 cm)

6.4 " (16.26 cm)

Resolution

1080x1920 px (FULL HD)

1080x2340 px (FHD+)

Aspect Ratio

16:9

19.5:9

Pixel Density

386 ppi

403 ppi

Screen to Body Ratio (calculated)

72.37 %

84.02 %

Screen Protection

Corning Gorilla Glass v3

Bezel-less display

with waterdrop notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Brightness

420 nits

Screen to Body Ratio (claimed by the brand)

91 %

Design
Size Compare
Size Compare
Dimensions

Height: 156.7 mm
Width: 78.8 mm
Thickness: 8.1 mm

Height: 159 mm
Width: 75.1 mm
Thickness: 8.9 mm

Weight

179 grams

188 grams

Build Material

Back: Aluminium

Back: Plastic

Colours

Black, Gold

Midnight Blue, Raven Black

Camera
Main Camera
Camera Setup

Single

Triple

Resolution

13 MP f/1.7, Primary Camera

48 MP f/2.0, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length, 4.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera

Sensor

CMOS image sensor

CMOS image sensor

Autofocus

, Phase Detection autofocus

OIS

No

No

Flash

, LED Flash

, LED Flash

Image Resolution

4128 x 3096 Pixels

8000 x 6000 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

4 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps

3840x2160 @ 30 fps
1920x1080 @ 30 fps

Front Camera
Excellent
Very Good
Camera Setup

Single

Single

Resolution

13 MP f/1.9, Primary Camera

20 MP f/2.2, Primary Camera(26 mm focal length)

Sensor

CMOS

CMOS

Autofocus

No

Flash

, LED Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Average
Very Good
Capacity

3300 mAh

6000 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 20 Hours(3G)

Quick Charging

, Fast, 15W

USB Type-C

No

Storage
Best in Class
Best in Class
Internal Memory

32 GB

64 GB

Expandable Memory

, Up to 256 GB

, Up to 512 GB

User Available Storage

Up to 23.9 GB

Up to 49 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network Support

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

VoLTE

SIM 1

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)
3G Speed:
HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRS:
Available
EDGE:
Available
Read More..

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) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SIM 2

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)
3G Speed:
HSDPA 42.2 Mbit/s ↓
GPRS:
Available
EDGE:
Available
Read More..

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) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SAR Value

Head: 0.710 W/kg

Head: 0.468 W/kg

Wi-Fi

, Wi-Fi 4 (802.11 a/b/g/n) 5GHz

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v4.2

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

No

USB Connectivity

Mass storage device, USB charging, microUSB 2.0

Mass storage device, USB charging

Multimedia
Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Front

Rear

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Applications

Samsung Pay Mini