Motorola Moto Z4 vs Samsung Galaxy A21s

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Display

Size

6.4 inches
6.5 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
403 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

OLED
TFT

Screen-to-body

84.67 %
82.94 %

Features

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

Hardware

System chip

Qualcomm Snapdragon 675
Samsung Exynos 850

Processor

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU

Adreno 612
Mali-G76

RAM

4GB LPDDR4
3GB LPDDR4

Internal storage

128GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

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

Battery

Capacity

3600 mAh
5000 mAh

Type

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

Charging

Motorola TurboPower
Fast charging

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

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
2 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps)
1920x1080 (Full HD) (30 fps)

Features

Time-lapse video, Video calling, Video sharing
 

Front

25 MP
13 MP

Design

Dimensions

6.22 x 2.95 x 0.29 inches (158 x 75 x 7.35 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight

5.82 oz (165.0 g)
the average is 6.2 oz (176 g)
6.77 oz (192.0 g)
the average is 6.2 oz (176 g)

Materials

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

Resistance

Splash
 

Biometrics

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

Colors

Gray, White
Black, White, Blue, Red

Cellular

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), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD)

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

UMTS

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

Data Speed

LTE-A, HSPA, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

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

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

Other

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC

Buyers information

In The Box

TurboPower charger, USB-C cable, guides
 

Price

$ 500
 
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