Motorola Moto Z4 vs Samsung Galaxy A21s Specs Comparison

Availability

Officially announced
May 30, 2019	May 15, 2020
Prices (MSRP)
$500	€240

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	6.77 oz / 192.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
Splash
Biometrics
Optical in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Gray, White	Black, White, Blue, Red

Display

Size
6.4-inch, 84.67% screen-to-body	6.5-inch, 82.94% screen-to-body
Type
OLED	TFT
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	1600x720px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
4 (Poor)	4.6 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 675 (11 nm)	Samsung Exynos 850
Processor
Octa-core 2000 MHz Kryo 460	Octa-core 8x2.0GHz Cortex-A55
GPU
Adreno 612	Mali-G76
Memory
4GB (LPDDR4)/128GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10, 9.0 Pie)	Android (10)

Battery

Type
3600 mAh, Li - Ion	5000 mAh, Li - Polymer
Charging
Motorola TurboPowe	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
48 MP (OIS, Laser and PDAF) Aperture size: F1.7 Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps) Time-lapse video, Video calling, Video sharing	1080p (30 fps)
Front
25 MP Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 3.1	Type-C, USB 2.0
Sensors
Accelerometer, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC

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)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
5, 8, 4, 2, 1	1, 2, 5, 8
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

Alternative variants

with 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Motorola Moto Z4 Specs PA Review Motorola Moto Z4 Review

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review