Compare Samsung Galaxy J7 vs Asus Zenfone Max ZC550KL vs Xiaomi Redmi 4A

Summary
81%
81%
80%
Display

5.5" (Large)

HD, Avg sharpness

5.5" (Large)

HD, Avg sharpness

5.0" (Medium)

HD, Avg sharpness

Performance

Octa core

1.5 GHz, 1.5 GB RAM

Quad core

1 GHz, 2 GB RAM

Quad core

1.4 GHz, 2 GB RAM

Storage

16 GB

128 GB (Expandable)

16 GB

64 GB (Expandable)

16 GB

128 GB (Expandable)

Camera

13 MP (Main)

5 MP (Front)

13 MP (Main)

5 MP (Front)

13 MP (Main)

5 MP (Front)

Battery

3000 mAh

18 h talktime (3G)

5000 mAh

37 h talktime (3G)

3120 mAh

Expert Rating

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 20,656 ratings

Read All User Reviews

★★★★★
★★★★★

4.1/5 based on 39,933 ratings

Read All User Reviews

General
Launch Date

July 16, 2015 (Official)

January 15, 2016 (Official)

March 23, 2017 (Expected)

Operating System

Android v5.1 (Lollipop)

Android v5.0 (Lollipop)

Android v6.0 (Marshmallow)

Custom UI

Zen UI 2.0

MIUI 8

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro
SIM2: Micro

SIM1: Micro
SIM2: Micro

SIM1: Micro
SIM2: Nano (Hybrid)

Network

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

Fingerprint Sensor

No

No

No

Quick Charging

No

No

No

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 152.4 mm
Width: 78.6 mm
Thickness: 7.5 mm

Height: 156 mm
Width: 77.5 mm
Thickness: 10.5 mm

Height: 139.9 mm
Width: 70.4 mm
Thickness: 8.5 mm

Weight

171 grams

202 grams

131 grams

Colours

Display
Excellent
Very Good
Very Good
Screen Resolution

HD (720 x 1280 pixels)

HD (720 x 1280 pixels)

HD (720 x 1280 pixels)

Pixel Density

267 ppi

267 ppi

294 ppi

Display Type

Super AMOLED

IPS LCD

IPS LCD

Screen Protection

No

Corning Gorilla Glass v4

Touch Screen

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

69.46 %

68.82 %

69.81 %

Performance
Very Good
Good
Good
Chipset

Samsung Exynos 7 Octa 7580

Qualcomm Snapdragon 410 MSM8916

Qualcomm Snapdragon 425 MSM8917

Processor

Octa core, 1.5 GHz, Cortex A53

Quad core, 1 GHz, Cortex A53

Quad core, 1.4 GHz, Cortex A53

Architecture

64 bit

64 bit

64 bit

Graphics

Mali-T720 MP2

Adreno 306

Adreno 308

RAM

1.5 GB

2 GB

2 GB

Storage
Best in Class
Best in Class
Best in Class
Internal Memory

16 GB

16 GB

16 GB

Expandable Memory

Up to 128 GB

Up to 64 GB

Up to 128 GB

USB OTG Support

Camera
Very Good
Excellent
Very Good
Main Camera
Resolution

13 MP Primary Camera

13 MP Primary Camera

13 MP Primary Camera

Sensor

CMOS image sensor

Back-illuminated sensor (BSI)

CMOS image sensor

Autofocus

Laser autofocus

Phase Detection autofocus

Aperture

1.9 F

2.0 F

2.2 F

Optical Image Stabilisation

No

No

No

Flash

LED Flash

Dual-color LED Flash

LED Flash

Image Resolution

4128 x 3096 Pixels

4128 x 3096 Pixels

4128 x 3096 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting, High Dynamic Range mode (HDR)

Continuos Shooting, High Dynamic Range mode (HDR)

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

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

Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Touch to focus

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

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Resolution

5 MP Front Camera

5 MP Front Camera

5 MP Front Camera

Autofocus

No

No

Aperture

2.2 F

Flash

LED Flash

No

No

Battery
Good
Excellent
Excellent
Capacity

3000 mAh

5000 mAh

3120 mAh

Type

Li-ion

Li-Polymer

Li-ion

User Replaceable

No

No

Standby Time

Up to 168 Hours(3G)

Network & Connectivity
SIM Size

SIM1: Micro
SIM2: Micro

SIM1: Micro
SIM2: Micro

SIM1: Micro
SIM2: Nano (Hybrid)

VoLTE

SIM 1

4G (supports Indian bands), 3G, 2G

4G (supports Indian bands), 3G, 2G

4G (supports Indian bands), 3G, 2G

SIM 2

2G

3G, 2G

4G (supports Indian bands), 3G, 2G

SAR Value

Head: 0.571 W/kg

Bluetooth

v4.1

v4.0

v4.1

GPS

with A-GPS, Glonass

with A-GPS

with A-GPS, Glonass

NFC

No

No

No

USB Connectivity

microUSB 2.0

microUSB 2.0

HDMI

No

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Special Features
Fingerprint Sensor

No

No

No

Other Sensors

Proximity sensor, Accelerometer

Light sensor, Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer

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