Motorola Moto Z4 vs Samsung Galaxy A21
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
OLED
IPS LCD
Screen-to-body
84.67 %
79.20 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip
Qualcomm Snapdragon 675
Mediatek Helio P35
Processor
GPU
Adreno 612
PowerVR GE8320
RAM
Internal storage
128GB
32GB (eMMC 5.1), available to use: 19.8 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
4000 mAh
Type
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging
Motorola TurboPower
Fast charging
Max charge speed
Wired: 15.0W
Camera
Rear
Single camera
Quad camera
Main camera
Specifications
Aperture size: F1.7; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 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
Weight
the average is 6.2 oz (176 g)
the average is 6.2 oz (176 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Plastic
Resistance
Splash
Biometrics
In-screen fingerprint
Fingerprint (touch)
Colors
Gray, White
Black
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), 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, 900, 1700/2100, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
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
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, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass
Other
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC
Regulatory Approval
Measured SAR
Head
0.42 W/kg
Body
1.27 W/kg
Simultaneous Transmission
1.27 W/kg
Wireless Router
1.27 W/kg
Buyers information
In The Box
TurboPower charger, USB-C cable, guides
Price
$ 500
$ 250
