Asus ZenFone 4 vs Samsung Galaxy A71 vs Google Pixel 4a

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.5 inches
6.7 inches
5.8 inches

Resolution:

1920 x 1080 pixels, 16:9 ratio, 401 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

Super IPS+ LCD
Super AMOLED Plus
OLED

Screen-to-body:

71.47 %
87.24 %
82.53 %

Peak brightness:

600 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 630
Qualcomm Snapdragon 730 SM7150-AA
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Octa-core, 2200 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 508
Adreno 618
Adreno 618

RAM:

4GB LPDDR4
6GB LPDDR4
6GB LPDDR4

Internal storage:

64GB
128GB, available to use: 106.1 GB
128GB, not expandable

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat)
Android (10), Samsung One UI
Android (11, 10)

Battery

Capacity:

3300 mAh
4500 mAh
3140 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Fast charging
Fast charging
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Dual camera
Quad camera
Single camera

Main camera:

12 MP (OIS, PDAF)
64 MP (PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP
12 MP (Ultra-wide)

Specifications:

Focal Length: 12 mm
Aperture size: F2.2; Focal Length: 12 mm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4; Focal Length: 25 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing
EIS
EIS

Front:

8 MP (Wide Angle)
32 MP (HDR)
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.12 x 2.96 x 0.30 inches (155.4 x 75.2 x 7.5 mm)
6.44 x 2.99 x 0.30 inches (163.6 x 76 x 7.7 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

5.82 oz (165.0 g)
6.31 oz (179.0 g)
5.04 oz (143.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Green, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Just black

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM, eSIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.1

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), microUSB
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Mass storage device, Charging
Charging, OTG
Charging

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC

Hearing aid compatible:

M3, T4

Regulatory Approval

FCC approval:

Date approved:

Sep 04, 2017
Jun 25, 2020

FCC ID value:

MSQZ01KD link
A4RG025J link

Measured SAR:

Head:

0.18 W/kg
1.18 W/kg

Body:

0.79 W/kg
1.19 W/kg

Simultaneous Transmission:

1.38 W/kg
1.59 W/kg

Wireless Router:

1.19 W/kg
1.00 W/kg

Buyers information

Price:

$ 399
$ 349

User Manual:

This is the official Samsu​ng Galaxy A71 User Guide in English provided from the manufacturer.

In The Box:

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Aug 17, 2017
Dec 12, 2019
Aug 03, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular\'s purchase of AT&T Wireless