Samsung Galaxy M55 (SM-M556E/DS 128GB) vs Samsung Galaxy A20 (SM-A205GN/DS)

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Side by side comparison between Samsung Galaxy M55 vs Samsung Galaxy A20 phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 11:06 AM, updated: 5/20/2025 7:29 AM

Compare Samsung Galaxy A20 X Samsung Galaxy M55 (SM-M556E/DS 128GB) 23Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

04Points Samsung Galaxy A20 (SM-A205GN/DS) Compare Samsung Galaxy M55 X

Specifications Compare Models Pictures

6.4"
AMOLED

720x1560

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M55 (SM-M556E/DS 128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

23 Advantages Samsung Galaxy M55 (SM-M556E/DS 128GB)	vs	4 Advantages Samsung Galaxy A20 (SM-A205GN/DS)
+2.4GHz 64bit Octa-core (4nm)83% More powerful processor, you can open your applications faster	vs	1.6GHz 64bit Octa-core (14nm)
+8GB LPDDR4X167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4X
+128GB (105GB available)4 times More internal storage for applications and files	vs	32GB (21GB available)
+UFS 2.2Advantage Fastest write and read storage.	vs	eMMC 5.1
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1080x2400 pixels131% Higher resolution screen	vs	720x1560 pixels
+393 PPI47% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	268 PPI
+6.7"5% Larger screen	vs	6.4"
+(triple camera) 50MP + 8MP + 2MP2 times Higher resolution main camera	vs	(dual camera) 13MP + 5MP
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 50MP5 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 15Advantage Android 15 is newer and safer	vs	Android 11
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE
+(5G Sub6) 3000 Mbps19 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+45W2 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.	vs	15W
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
180 grams (6.3 ounces)	vs	+169 grams (5.92 ounces)7% Lighter
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

26 Common items in both devices

Until 1TB microSD, microSDXC

7.8 millimeters (0.31 inches)

Plastic body, glass front

Super AMOLED

16 million

LED flash

Only digital zoom

+19 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Change model		Choose the model
Model	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Other model names	Galaxy M55 5G SM-M556E/Dual-SIM	Galaxy A20 SM-A205GN/Dual-Sim NFC
Country or region available	(Europe), Russia	Philippines, Hong Kong, Taiwan
Brand	Samsung	Samsung
Release date	3/28/2024	4/5/2019, Announced: 3/19/2019
Depth	7.8 millimeters (0.31 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	74.7 x 158.4 millimeters (2.94 x 6.24 in)
Weight	180 grams (6.3 ounces)	169 grams (5.92 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Display type	Super AMOLED	Super AMOLED
Screen size	6.7" inches	6.4" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~85% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	720x1560 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	393 PPI	268 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	120Hz	60Hz
Display features	Always-On Display	Not supported
🤖 Operating System
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
System version	Android 14	Android 9.0 Pie
Firmware update	Android 15	Android 11
User Interface	One UI 6.1 / 7.0	One UI 2.5 / 3.1
⚙️ Processor
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	64bit: Samsung Exynos 7884 (14nm)
CPU	Octa-core, 3 processors: 1x 2.4GHz ARM Cortex-A710 (Single-core) 3x 2.36GHz ARM Cortex-A710 (Triple-core) 4x 1.8GHz ARM Cortex-A510 (Quad-core)	Octa-core, 2 processors: 2x 1.6GHz ARM Cortex-A73 (Dual-core) 6x 1.35GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	ARM Mali-G71 MP2 (770MHz)
Performance (benchmark)	AnTuTu: 582102 (v10)	AnTuTu: 122778 (v9)
💽 Memory and storage
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
RAM memory	8GB LPDDR4X	3GB LPDDR4X
Internal storage	128GB (105GB available) UFS 2.2	32GB (21GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	3000/1024 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (Bands 38, 40, 41)
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE
📷 Camera
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	(dual camera) 13 megapixels 5MP ultrawide f/2.212mm
Main camera resolution	8160x6120 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	28mm (lens)
Sensor size	1/1.56" inches	feature not registered
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)	feature not registered
📸 Front camera
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Front camera (secondary)	50 megapixels	8 megapixels
Front camera resolution	8160x6120 pixels	3264x2448 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Loudspeaker	Stereo sound	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, WMV, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	4000 mAh
Charger, watts	45W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	26 hours (1.1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Dark Blue, Light Green	• Colors: Black, Deep Blue, Red, Coral Orange
☢️ Radiation rate
	Galaxy M55 (SM-M556E/DS 128GB)	Galaxy A20 (SM-A205GN/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.81W/kg (head), 1.18W/kg (body)	0.23W/kg (head), 1.38W/kg (body)