Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB) vs T-Mobile Rapport

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Side by side comparison between Samsung Galaxy M55 vs T-Mobile Rapport phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 10:48 AM, updated: 5/20/2025 7:29 AM

Compare T-Mobile Rapport X Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB) 29Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

04Points T-Mobile Rapport Compare Samsung Galaxy M55 X

Specifications Compare Models Pictures

2.8"
TFT

240x320

3.1
MP

256MB
RAM

Single-core

1200
mAh

(Removable)

What's the better phone? Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB)

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!

29 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB)	vs	4 Advantages T-Mobile Rapport
+2.4GHz 64bit Octa-core (4nm)8 times More powerful processor, you can open your applications faster	vs	528MHz 32bit Single-core
+12GB LPDDR4X47 times More RAM memory. Typically more responsive and better for multitasking.	vs	256MB SDRAM
+256GB (233GB available)1987 times More internal storage for applications and files	vs	512MB (120MB available)
+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards	vs	Until 32GB microSD, microSDHC
+7.8 millimeters (0.31 inches)67% Thinner	vs	13 millimeters (0.51 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT LCD
+16 million61 times More colors on the screen is better quality images and videos	vs	260 thousand
+1080x2400 pixels33 times Higher resolution screen	vs	240x320 pixels
+393 PPI175% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	143 PPI
+6.7"139% Larger screen	vs	2.8"
+(triple camera) 50MP + 8MP + 2MP18 times Higher resolution main camera	vs	(back) 3.1MP
+LED flashAdvantage The LED flash helps in dark places or in low light	vs	Not supported
+PDAF: phase detection autofocusAdvantage Best autofocus type for taking pictures	vs	Not supported
+(front) 50MPAdvantage A front-camera is best for taking selfies	vs	Not supported
+4K UHD (3840x2160)107 times More image quality for recording videos with the primary camera	vs	QVGA (320x240)
+Android 15Advantage Android 15 is newer and safer	vs	Android 2.2.2 Froyo
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	3G HSDPA
+(5G Sub6) 3000 Mbps416 times Faster for surfing the internet and download files	vs	(3G HSDPA) 7.2 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+5000 mAh3 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1200 mAh
+Video callingAdvantage The video calling allows to make calls with voice and video	vs	Not supported
+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+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	2.1 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
180 grams (6.3 ounces)	vs	+100 grams (3.5 ounces)80% Lighter
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
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	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general

11 Common items in both devices

Only digital zoom

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Compass

Proximity sensor

+4 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-M556B/DS 256GB/12GB)	T-Mobile Rapport
Change model
Model	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Other model names	Galaxy M55 5G SM-M556B/Dual-SIM	Huawei IDEOS X1 U8180, Huawei Gaga, T-Mobile Rapport
Country or region available	(Middle East), India, Israel, Vietnam	USA
Brand	Samsung	T-Mobile
Release date	3/28/2024	10/1/2011
Depth	7.8 millimeters (0.31 inches)	13 millimeters (0.51 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	56 x 104 millimeters (2.2 x 4.09 in)
Weight	180 grams (6.3 ounces)	100 grams (3.5 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Display type	Super AMOLED	TFT LCD
Screen size	6.7" inches	2.8" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~41.7% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	240x320 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	393 PPI	143 PPI
Colors	16 million	260 thousand
Scratch-resistant glass	Not supported	Not supported
Refresh rate	120Hz	feature not registered
Display features	Always-On Display	feature not registered
🤖 Operating System
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
System version	Android 14	Android 2.2.2 Froyo
Firmware update	Android 15	feature not registered
User Interface	One UI 6.1 / 7.0	feature not registered
⚙️ Processor
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	32bit: Qualcomm Snapdragon S1 MSM7225
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)	Single-core, 1 processor: 1x 528MHz ARM1136EJ-S (Single-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	feature not registered
Performance (benchmark)	AnTuTu: 582102 (v10)	feature not registered
💽 Memory and storage
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
RAM memory	12GB LPDDR4X	256MB SDRAM
Internal storage	256GB (233GB available) UFS 2.2	512MB (120MB available)
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	3000/1024 Mbps	7.2 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G
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 1700/2100
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	Not supported
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	CSD, GPRS, EDGE, UMTS, HSDPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
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	Not supported
📷 Camera
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	3.1 megapixels
Main camera resolution	8160x6120 pixels	2048x1536 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	QVGA (320x240) 24 fps
Flash	LED flash	Not supported
Focal aperture	f/1.8 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/1.56" inches	feature not registered
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Not supported
Touch focus	Supported	feature not registered
Image stabilization	OIS: Optical stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	feature not registered
BSI sensor	Supported	feature not registered
HDR	HDR photo on both cameras	feature not registered
Camera extras	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)	feature not registered
📸 Front camera
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Front camera (secondary)	50 megapixels	Not supported
Front camera resolution	8160x6120 pixels	Not supported
Video recording (secondary)	4K UHD (3840x2160)	Not supported
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	feature not registered
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-M556B/DS 256GB/12GB)	T-Mobile Rapport
Loudspeaker	Stereo sound	Supported
Active noise cancellation	2 microphones	feature not registered
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+
🔌 Connectivity
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	2.1 + A2DP
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)
DLNA	Not supported	feature not registered
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging
NFC	Supported	Not supported
Infrared port	Not supported	feature not registered
🧭 Sensors
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	5000 mAh	1200 mAh
Charger, watts	45W Wired fast charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	4 hours
Standby	feature not registered	336 hours (14 days)
➕ Other features
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
Call control	Voice dialing, Voice recorder, Voice commands	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	Not supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Dark Blue, Light Green	• Colors: Black • WiFi hotspot • Java framework
☢️ Radiation rate
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	T-Mobile Rapport
SAR 1.6W/kg (USA, Mexico, etc.)	0.79W/kg (head), 1.09W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.96W/kg (head), 0.98W/kg (body)	feature not registered