Motorola Moto Z4 vs Samsung Galaxy A51 5G

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Display

Size

6.4 inches
6.5 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
403 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

OLED
Super AMOLED

Screen-to-body

84.67 %
87.37 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 675
Samsung Exynos 980

Processor

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm

GPU

Adreno 612
Mali-G76 MP5

RAM

4GB LPDDR4
6GB LPDDR4

Internal storage

128GB
128GB, available to use: 105.3 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 1000 GB

Device type

Smartphone
Smartphone

OS

Android (10, 9.0 Pie)
Android (10), Samsung One UI

Battery

Capacity

3600 mAh
4500 mAh

Type

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

Charging

Motorola TurboPower
Fast charging

Max charge speed

 
Wired: 25.0W

Camera

Rear

Single camera
Quad camera

Main camera

48 MP (OIS, Laser and PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.7; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
12 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera

 
5 MP (Macro)

Specifications

 
Aperture size: F2.4; Focal Length: 40 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), 1920x1080 (Full HD) (120 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)

Features

Time-lapse video, Video calling, Video sharing
Hyperlapse, EIS

Front

25 MP
32 MP (HDR)

Design

Dimensions

6.22 x 2.95 x 0.29 inches (158 x 75 x 7.35 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)

Weight

5.82 oz (165.0 g)
the average is 6.3 oz (179 g)
6.60 oz (187.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Plastic

Resistance

Splash
 

Biometrics

In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys

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

Colors

Gray, White
Prism cube black

Cellular

5G

 
n41, n71, SA, NSA

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
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), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

LTE (TDD)

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

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A, HSPA, HSUPA
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
 

HD Voice

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

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

USB

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

Features

Charging, OTG, Video out, Mass storage device
Charging, OTG

Location

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

Sensors

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

Other

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

Hearing aid compatible

 
M3, T3

Regulatory Approval

FCC approval

 
 

Date approved

 
Jul 15, 2020

 
FCC ID value: A3LSMA516U link

Measured SAR

 
 

Head

 
1.18 W/kg

Body

 
1.20 W/kg

Simultaneous Transmission

 
3.25 W/kg

Wireless Router

 
1.37 W/kg

Buyers information

Price

$ 500
$ 500

User Manual

 
Download the Samsu​ng Galaxy A51 5G Manual as a PDF file.

In The Box

TurboPower charger, USB-C cable, guides
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced

May 30, 2019
Apr 08, 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.
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