Samsung Galaxy M20 vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy M20 and Samsung Galaxy A51 5G. 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 A51 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy M20 Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-M205F/DS SM-A516B/DS
Form Factor Touch Touch
Height 156.4 mm 158.9 mm Samsung Galaxy A51 5G has greater height than Samsung Galaxy M20.
Width 74.5 mm 73.6 mm Samsung Galaxy M20 has greater width than Samsung Galaxy A51 5G.
Depth 8.8 mm 8.7 mm Samsung Galaxy A51 5G is narrower than Samsung Galaxy M20.
Weight 186 g 187 g Samsung Galaxy M20 is lighter than Samsung Galaxy M20.
Body Colour Charcoal black | Ocean blue Prism cube black | Prism cube white
Waterproof (Water-resistant) - -
SAR Value 0.273 W/kg (head) 1.555 W/kg (body), 0.496 W/kg (head)
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
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy M20 Samsung Galaxy A51 5G
Display Type LCD display OLED display
Display Technology TFT Infinity-O Super AMOLED
Screen Size (Display Size) 6.3" 6.5" Samsung Galaxy A51 5G has larger screen size than Samsung Galaxy M20.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 5G has better screen resolution than Samsung Galaxy M20.
Display Format Full HD+ Full HD+
Pixel Density 409 ppi -
Aspect Ratio 19.5:9 -
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 Edge-to-Edge screen
PROCESSOR Samsung Galaxy M20 Samsung Galaxy A51 5G
Processor Type (CPU) Samsung Exynos -
Processor Number 7904 -
Clock Speed 1.8 GHz 2.2 GHz Samsung Galaxy A51 5G has higher clock speed than Samsung Galaxy M20.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Samsung Galaxy A51 5G has 64-bit architecture.
Graphics System (GPU) Mali-G71 MP2 -
MEMORY Samsung Galaxy M20 Samsung Galaxy A51 5G
RAM 3 GB 6 GB Samsung Galaxy A51 5G has more RAM than Samsung Galaxy M20.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Samsung Galaxy A51 5G has more internal memory than Samsung Galaxy M20.
User Memory 21.8 GB 105.3 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 1 TB
CAMERA Samsung Galaxy M20 Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 13 Megapixel 48 Megapixel Samsung Galaxy A51 5G has better camera resolution than Samsung Galaxy M20.
Lens Aperture F/1.9 F/2.0 Samsung Galaxy M20 has better lens aperture than Samsung Galaxy M20.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects - Bokeh effect
Camera Modes Live Focus mode Slow motion video
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) - Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy A51 5G 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 A51 5G has larger second camera lens field of view than Samsung Galaxy M20.
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy A51 5G 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 A51 5G
Battery Capacity (Battery Size) 5000 mAh 4500 mAh Samsung Galaxy M20 has larger battery capacity than Samsung Galaxy A51 5G.
Talk Time 1740 minutes 1380 minutes Samsung Galaxy M20 has longer battery life when making calls than Samsung Galaxy A51 5G.
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
Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
CELLULAR Samsung Galaxy M20 Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A51 5G has more advanced generation mobile network.
User Interface Samsung Experience 9.5 -
Intelligent Assistant - Bixby
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy M20 Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
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 3, Band 4, Band 5, Band 7, Band 8, Band 12, 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band - N41, n78
5G NR Frequency - TDD TD 2500, TDD TD 3500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC - Yes Samsung Galaxy A51 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy M20 Samsung Galaxy A51 5G
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 -
FEATURES Samsung Galaxy M20 Samsung Galaxy A51 5G
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, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display)
Additional Phone Features Face Unlock, Alarm Clock, Fast Charging, Virtual Light Sensing Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS Samsung Galaxy M20 Samsung Galaxy A51 5G
Included Accessories Power adapter Power adapter
Compliant Standards Widevine L1 Certification -
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