Panasonic P51 vs Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)

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Side by side comparison between Panasonic P51 vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 9:09 AM, updated: 5/20/2025 7:30 AM

Compare Samsung Galaxy M55 X Panasonic P51 03Points

Specifications Compare Models Pictures

5"
IPS

720x1280

8
MP

1.3mp

1GB
RAM

Quad-core

2500
mAh

(Non removable)

27Points Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) Compare Panasonic P51 X

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)

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!

3 Advantages Panasonic P51	vs	27 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)
+135 grams (4.73 ounces)33% Lighter	vs	180 grams (6.3 ounces)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
1.2GHz 32bit Quad-core	vs	+2.4GHz 64bit Octa-core (4nm)187% More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+8GB LPDDR4X7 times More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)	vs	+256GB (233GB available)116 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
8.5 millimeters (0.33 inches)	vs	+7.8 millimeters (0.31 inches)9% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1280 pixels	vs	+1080x2400 pixels181% Higher resolution screen
294 PPI	vs	+393 PPI34% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+6.7"34% Larger screen
(back) 8MP	vs	+(triple camera) 50MP + 8MP + 2MP7 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 1.3MP	vs	+(front) 50MP37 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) 4K UHD (3840x2160)8 times More image quality for recording videos with the secondary camera
Android 4.2.1 Jelly Bean	vs	+Android 15Advantage Android 15 is newer and safer
3G+ HSPA+	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(3G+ HSPA+) 21 Mbps	vs	+(5G Sub6) 3000 Mbps142 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2500 mAh	vs	+5000 mAh100% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.0 + A2DP	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

18 Common items in both devices

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

+11 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
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Change model		Choose the model
Model	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Other model names	Panasonic P51 Y900	Galaxy M55 5G SM-M556B/Dual-SIM
Country or region available	feature not registered	(Global, International), Brazil, Colombia, Mexico
Brand	Panasonic	Samsung
Release date	6/1/2013	3/28/2024
Depth	8.5 millimeters (0.33 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	75 x 144 millimeters (2.95 x 5.67 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	135 grams (4.73 ounces)	180 grams (6.3 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5" inches	6.7" inches
Screen-to-body ratio	~63.8% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	294 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	120Hz
Display features	Not supported	Always-On Display
🤖 Operating System
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
System version	Android 4.2.1 Jelly Bean	Android 14
Firmware update	feature not registered	Android 15
User Interface	feature not registered	One UI 6.1 / 7.0
⚙️ Processor
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Chipset	32bit: MediaTek MT6589	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core)	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)
GPU graphical controller	PowerVR SXG544	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	feature not registered	AnTuTu: 582102 (v10)
💽 Memory and storage
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
RAM memory	1GB LPDDR2	8GB LPDDR4X
Internal storage	4GB (2GB available)	256GB (233GB available) UFS 2.2
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	21/5.76 Mbps	3000/1024 Mbps
Network technology	2G, 3G	2G, 3G, 4G, 5G
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 900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Back camera (main camera)	8 megapixels	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	3264x2448 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/1.56" inches
Pixel size	feature not registered	1µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Front camera (secondary)	1.3 megapixels	50 megapixels
Front camera resolution	1280x1024 pixels	8160x6120 pixels
Video recording (secondary)	HD (1280x720)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.4 (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
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Loudspeaker	Supported	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, DivX, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, AC3	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	5.2 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2500 mAh	5000 mAh
Charger, watts	Wired charging	45W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
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: Black, White • Touch focus • WiFi hotspot • Active noise cancellation with dedicated mic • Java framework	• Colors: Dark Blue, Light Green
☢️ Radiation rate
	Panasonic P51	Galaxy M55 (SM-M556B/DS 256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.79W/kg (head), 1.09W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.96W/kg (head), 0.98W/kg (body)