Samsung Galaxy M20 vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy M20 and Samsung Galaxy A21s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy M20 vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy M20 Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-M205F/DS SM-A217F/DSN
Form Factor Touch Touch
Height 156.4 mm 163.7 mm Samsung Galaxy A21s has greater height than Samsung Galaxy M20.
Width 74.5 mm 75.3 mm Samsung Galaxy A21s has greater width than Samsung Galaxy M20.
Depth 8.8 mm 8.9 mm Samsung Galaxy M20 is narrower than Samsung Galaxy M20.
Weight 186 g 192 g Samsung Galaxy M20 is lighter than Samsung Galaxy M20.
Body Colour Charcoal black | Ocean blue White | Blue | Black
Waterproof (Water-resistant) - -
SAR Value 0.273 W/kg (head) 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy M20 Samsung Galaxy A21s
Display Type LCD display LCD display
Display Technology TFT PLS TFT
Screen Size (Display Size) 6.3" 6.5" Samsung Galaxy A21s has larger screen size than Samsung Galaxy M20.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Samsung Galaxy M20 has better screen resolution than Samsung Galaxy A21s.
Display Format Full HD+ HD+
Pixel Density 409 ppi -
Aspect Ratio 19.5:9 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Edge-to-Edge screen, Infinity V Display Infinity O display
PROCESSOR Samsung Galaxy M20 Samsung Galaxy A21s
Processor Type (CPU) Samsung Exynos -
Processor Number 7904 -
Clock Speed 1.8 GHz 2 GHz Samsung Galaxy A21s has higher clock speed than Samsung Galaxy M20.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Mali-G71 MP2 -
MEMORY Samsung Galaxy M20 Samsung Galaxy A21s
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 21.8 GB 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy M20 Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 13 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than Samsung Galaxy M20.
Lens Type - Wide-angle lens
Lens Aperture F/1.9 F/2.0 Samsung Galaxy M20 has better lens aperture than Samsung Galaxy M20.
Field of View (FoV) - 80 degree(s)
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Camera Modes Live Focus mode Live Focus mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel Samsung Galaxy A21s has better second camera resolution than Samsung Galaxy M20.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 120 degree(s) 123 degree(s) Samsung Galaxy A21s has larger second camera lens field of view than Samsung Galaxy M20.
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 Samsung Galaxy M20.
Lens Aperture (Front) F/2.0 F/2.2 Samsung Galaxy M20 has better front lens aperture than Samsung Galaxy M20.
Focus Adjustment Focus free Focus free
Camera Modes (Front) Portrait mode -
Light Source (Front) Display flash -
BATTERY AND CHARGING Samsung Galaxy M20 Samsung Galaxy A21s
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Talk Time 1740 minutes 3240 minutes Samsung Galaxy A21s has longer battery life when making calls than Samsung Galaxy M20.
Run Time Details Active online usage (3G): up to 15 hrs
Active online usage (LTE): up to 17 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 17 hrs
Playback (audio): up to 101 hrs
Talk (3G): up to 1740 min
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 M20 Samsung Galaxy A21s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface Samsung Experience 9.5 One UI
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy M20 Samsung Galaxy A21s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
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 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 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 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 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
NFC - Yes Samsung Galaxy A21s has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy M20 Samsung Galaxy A21s
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology Dolby Atmos sound technology
FEATURES Samsung Galaxy M20 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, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Face Unlock, Alarm Clock, Fast Charging, Virtual Light Sensing Samsung KNOX, Virtual Light Sensing
OTHERS Samsung Galaxy M20 Samsung Galaxy A21s
Included Accessories Power adapter Power adapter
Compliant Standards Widevine L1 Certification -
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