Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB) vs Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy Z Fold 7 vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?

9/6/2025 1:44 PM, updated: 9/6/2025 4:53 PM

Compare Samsung Galaxy M55 X Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB) 25Points

Specifications Compare Models Pictures

8"
AMOLED

1968x2184

200
MP

10mp

12GB
RAM

Octa-core

4400
mAh

(Non removable)

06Points Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB) Compare Samsung Galaxy Z Fold 7 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 Z Fold 7 (SM-F966B/DS 256GB)

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!

25 Advantages Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB)	vs	6 Advantages Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)
+4.47GHz 64bit Octa-core (3nm)109% More powerful processor, you can open your applications faster	vs	2.4GHz 64bit Octa-core (4nm)
+12GB LPDDR5X50% More RAM memory. Typically more responsive and better for multitasking.	vs	8GB LPDDR4X
+UFS 4.0Advantage Fastest write and read storage.	vs	UFS 2.2
+4.2 millimeters (0.17 inches)86% Thinner	vs	7.8 millimeters (0.31 inches)
+Aluminum frame, flexible plastic screen, glass backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+1968x2184 pixels66% Higher resolution screen	vs	1080x2400 pixels
+8"19% Larger screen	vs	6.7"
+(triple camera) 200MP + 10MP + 12MP3 times Higher resolution main camera	vs	(triple camera) 50MP + 8MP + 2MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/1.3" inches20% The larger sensor camera lets you take photos with better depth.	vs	1/1.56" inches
+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+Android 16Advantage Android 16 is newer and safer	vs	Android 15
+(5G Sub6) 5000 Mbps67% Faster for surfing the internet and download files	vs	(5G Sub6) 3000 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+Qi Wireless charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)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 microphones50% More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	2 microphones
+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster	vs	802.11 a/b/g/n/ac/ax [wifi6]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.4 + A2DP/LEAdvantage Bluetooth 5.4 + A2DP/LE is newer and faster	vs	5.2 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C, USB OTG On-The-Go
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
215 grams (7.53 ounces)	vs	+180 grams (6.3 ounces)19% Lighter
367 PPI	vs	+393 PPI7% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 10MP	vs	+(front) 50MP4 times Higher resolution secondary camera to take pictures and selfies
4400 mAh	vs	+5000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
25W	vs	+45W80% 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.

29 Common items in both devices

256GB (223GB available) / 256GB (233GB available)

LTPO AMOLED / Super AMOLED

120Hz

16 million

LED flash

PDAF: phase detection autofocus

OIS: Optical stabilization

+22 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 Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Change model		Choose the model
Model	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Other model names	Galaxy Z Fold7 SM-F966B/Dual-SIM	Galaxy M55 5G SM-M556E/Dual-SIM
Country or region available	(Global, International)	(Europe), Russia
Brand	Samsung	Samsung
Release date	7/25/2025, Announced: 7/9/2025	3/28/2024
Depth	4.2 millimeters (0.17 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	143.2 x 1584 millimeters (5.64 x 62.36 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	215 grams (7.53 ounces)	180 grams (6.3 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 8.9 mm x 72.8 x 158.4	Plastic body, glass front
Protection against water and others	IPX8 certified: water resistant up to 1.5 meters and 30min	Not supported
📲 Display
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Display type	LTPO AMOLED	Super AMOLED
Screen size	8" inches	6.7" inches
Screen-to-body ratio	~9.1% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	1968x2184 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	367 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	feature not registered	Not supported
Refresh rate	120Hz	120Hz
Display features	2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic LTPO AMOLED 2X 6.5" (1080x2520), 120Hz, Gorilla Glass Ceramic 2	Always-On Display
🤖 Operating System
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
System version	Android 16	Android 14
Firmware update	feature not registered	Android 15
User Interface	One UI 8	One UI 6.1 / 7.0
⚙️ Processor
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm)	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-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	Qualcomm Adreno 830 (1200MHz)	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	AnTuTu: 1995920 (v10) Geekbench: 9152 (v6)	AnTuTu: 582102 (v10)
💽 Memory and storage
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
RAM memory	12GB LPDDR5X	8GB LPDDR4X
Internal storage	256GB (223GB available) UFS 4.0	256GB (233GB available) UFS 2.2
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	5000/1024 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G, 5G	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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE	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	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78)	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+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE	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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Back camera (main camera)	(triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	20000x10000 pixels	8160x6120 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/1.3" inches	1/1.56" inches
Pixel size	0.6µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video and HDR photo on front camera	HDR photo on both cameras
Camera extras	8K@30fps 4K@60fps 1080p@60/120/240fps 720p@960fps 10-bit HDR HDR10+ Extra cover camera: 10MP wide (f/2.2 24mm 1.12µm)	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Front camera (secondary)	10 megapixels	50 megapixels
Front camera resolution	3872x2592 pixels	8160x6120 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.4 (aperture)
Focal length	18mm (lens)	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Stereo sound
Active noise cancellation	3 microphones	2 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.4 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor UWB (Ultra Wideband)	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4400 mAh	5000 mAh
Charger, watts	25W Wired fast charging	45W Wired fast charging
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Blue Shadow, Silver Shadow, Jet Black, Mint • Samsung DeX	• Colors: Dark Blue, Light Green
☢️ Radiation rate
	Galaxy Z Fold 7 (SM-F966B/DS 256GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.21W/kg (head), 1.26W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.418W/kg (head), 1.242W/kg (body)	0.81W/kg (head), 1.18W/kg (body)