Motorola Moto Z3 vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

In depth comparison and review of Motorola Moto Z3 and Samsung Galaxy A21s. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Motorola Moto Z3 vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS Motorola Moto Z3 Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A217F/DSN
Form Factor Touch Touch
Height 156.5 mm 163.7 mm Samsung Galaxy A21s has greater height than Motorola Moto Z3.
Width 76.5 mm 75.3 mm Motorola Moto Z3 has greater width than Samsung Galaxy A21s.
Depth 6.75 mm 8.9 mm Motorola Moto Z3 is narrower than Motorola Moto Z3.
Weight 156 g 192 g Motorola Moto Z3 is lighter than Motorola Moto Z3.
Body Colour Ceramic black White | Blue | Black
Body Material Gorilla glass, 6000 Series aluminium alloy -
Protection P2i (liquid repellent coating) -
Waterproof (Water-resistant) Yes - Motorola Moto Z3 is waterproof.
SAR Value - 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Moto Mods
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Motorola Moto Z3 Samsung Galaxy A21s
Display Type OLED display LCD display
Display Technology Super AMOLED PLS TFT
Screen Size (Display Size) 6.01" 6.5" Samsung Galaxy A21s has larger screen size than Motorola Moto Z3.
Screen Resolution (Display Resolution) 2160 x 1080 pixels 1600 x 720 pixels Motorola Moto Z3 has better screen resolution than Samsung Galaxy A21s.
Display Format Full HD+ HD+
Aspect Ratio 18:9 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features 2.5D Glass, night mode, Max Vision display Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) -
PROCESSOR Motorola Moto Z3 Samsung Galaxy A21s
Processor Type (CPU) Qualcomm Snapdragon 835 -
Clock Speed 2.35 GHz 2 GHz Motorola Moto Z3 has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Motorola Moto Z3 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 540 -
MEMORY Motorola Moto Z3 Samsung Galaxy A21s
RAM 4 GB 3 GB Motorola Moto Z3 has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Motorola Moto Z3 has more internal memory than Samsung Galaxy A21s.
User Memory - 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 512 GB
CAMERA Motorola Moto Z3 Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than Motorola Moto Z3.
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Field of View (FoV) - 80 degree(s)
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects Black & White, Cinema, Live Filters, Spot Colour -
Camera Modes Slow motion video, Panorama, Time-lapse mode, manual mode, group selfi mode Live Focus mode
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Colour Correlated Temperature (CCT) flash Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Motorola Moto Z3 has better second camera resolution than Samsung Galaxy A21s.
Sensor Type (2nd Camera) Monochrome CMOS -
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
Camera Functions (2nd Camera) Capture depth information -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 13 Megapixel Samsung Galaxy A21s has better front camera resolution than Motorola Moto Z3.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.2 Motorola Moto Z3 has better front lens aperture than Motorola Moto Z3.
Focus Adjustment - Focus free
Camera Modes (Front) Slow motion video, Time-lapse mode -
Light Source (Front) Display flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
BATTERY AND CHARGING Motorola Moto Z3 Samsung Galaxy A21s
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Samsung Galaxy A21s has larger battery capacity than Motorola Moto Z3.
Fast Charging Technology TurboPower technology - Motorola Moto Z3 has fast charging technology.
Talk Time - 3240 minutes
Run Time Details - Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Battery Technology Lithium Ion Lithium Ion
CELLULAR Motorola Moto Z3 Samsung Galaxy A21s
Technology CDMA2000 1X / GSM / WCDMA (UMTS) WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo -
User Interface - One UI
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Motorola Moto Z3 Samsung Galaxy A21s
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Motorola Moto Z3 Samsung Galaxy A21s
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, AMR-WB, AMR-NB, Vorbis, AAC-ELD, WAVE WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards H.264, H.263, HEVC, VP8, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Atmos sound technology
FEATURES Motorola Moto Z3 Samsung Galaxy A21s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor, ultrasonic distance sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Smart Screen function, four microphones Samsung KNOX, Virtual Light Sensing
Android Enterprise Recommended Yes -
OTHERS Motorola Moto Z3 Samsung Galaxy A21s
Included Accessories USB-C to 3.5 jack adapter, USB-C cable, TurboPower charger Power adapter
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