Samsung Galaxy A21s vs. Alcatel U3 2019

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A21s and Alcatel U3 2019. 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

Samsung Galaxy A21s vs. Alcatel U3 2019 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s Alcatel U3 2019
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN 4034L
Form Factor Touch Touch
Height 163.7 mm 121.3 mm Samsung Galaxy A21s has greater height than Alcatel U3 2019.
Width 75.3 mm 64.4 mm Samsung Galaxy A21s has greater width than Alcatel U3 2019.
Depth 8.9 mm 9.7 mm Samsung Galaxy A21s is narrower than Samsung Galaxy A21s.
Weight 192 g 110 g Alcatel U3 2019 is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black -
Waterproof (Water-resistant) - -
SAR Value 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) 1.48 W/kg (body), 1.08 W/kg (head)
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Single-SIM
DISPLAY Samsung Galaxy A21s Alcatel U3 2019
Display Type LCD display -
Display Technology PLS TFT -
Screen Size (Display Size) 6.5" 4" Samsung Galaxy A21s has larger screen size than Alcatel U3 2019.
Screen Resolution (Display Resolution) 1600 x 720 pixels 800 x 480 pixels Samsung Galaxy A21s has better screen resolution than Alcatel U3 2019.
Display Format HD+ WVGA
Aspect Ratio 20:9 -
Colour Depth 16.7 million colours -
Display Features Infinity O display -
PROCESSOR Samsung Galaxy A21s Alcatel U3 2019
Processor Type (CPU) - MediaTek
Processor Number - MT6580M
Clock Speed 2 GHz 1.3 GHz Samsung Galaxy A21s has higher clock speed than Alcatel U3 2019.
Processor Core Qty 8-core Quad-core Samsung Galaxy A21s has higher processor core quantity than Alcatel U3 2019.
MEMORY Samsung Galaxy A21s Alcatel U3 2019
RAM 3 GB 512 MB Samsung Galaxy A21s has more RAM than Alcatel U3 2019.
Internal Memory Size (Storage Capacity) 32 GB 4 GB Samsung Galaxy A21s has more internal memory than Alcatel U3 2019.
User Memory 19.5 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSD
CAMERA Samsung Galaxy A21s Alcatel U3 2019
MAIN CAMERA
Number of Main Cameras 4 1
Sensor Resolution 48 Megapixel 3 Megapixel Samsung Galaxy A21s has better camera resolution than Alcatel U3 2019.
Lens Type Wide-angle lens -
Lens Aperture F/2.0 -
Field of View (FoV) 80 degree(s) -
Focus Adjustment Automatic -
Digital Zoom 8x -
Camera Modes Live Focus mode -
Light Source LED flash -
Video Resolutions 1920 x 1080 (1080p) at 30 fps -
Camera Features (Functions) Live Focus Interpolated to 3MP
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 -
Field of View (2nd Camera) 123 degree(s) -
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) 13 Megapixel 1.3 Megapixel Samsung Galaxy A21s has better front camera resolution than Alcatel U3 2019.
Lens Aperture (Front) F/2.2 -
Focus Adjustment Focus free -
Camera Features (Front) - Interpolated to 1.3MP
BATTERY AND CHARGING Samsung Galaxy A21s Alcatel U3 2019
Battery Capacity (Battery Size) 5000 mAh 1500 mAh Samsung Galaxy A21s has larger battery capacity than Alcatel U3 2019.
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 -
CELLULAR Samsung Galaxy A21s Alcatel U3 2019
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 3G Samsung Galaxy A21s has more advanced generation mobile network.
Operating System - Android 8.0 Oreo (Go edition)
User Interface One UI -
Navigation GPS, GLONASS, BeiDou, Galileo GPS
COMMUNICATIONS Samsung Galaxy A21s Alcatel U3 2019
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 -
3G UMTS Frequency 2100, 1900, 850, 900 -
4G LTE Band 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 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 802.11b/g/n
Bluetooth Bluetooth 5.0 LE Bluetooth 4.0
NFC Yes - Samsung Galaxy A21s has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A21s Alcatel U3 2019
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, AAC, AMR, MP3, FLAC, AAC +, MIDI, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements Dolby Atmos sound technology -
FEATURES Samsung Galaxy A21s Alcatel U3 2019
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor G-sensor
Security Devices Face recognition, fingerprint reader -
Additional Phone Features Samsung KNOX, Virtual Light Sensing -
OTHERS Samsung Galaxy A21s Alcatel U3 2019
Included Accessories Power adapter -
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