Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB) vs Asus Zenfone 8 Flip (128GB)

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Side by side comparison between Samsung Galaxy M55 vs Asus Zenfone 8 Flip 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 Asus Zenfone 8 Flip X Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB) 11Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

14Points Asus Zenfone 8 Flip (128GB) Compare Samsung Galaxy M55 X

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

64mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 8 Flip (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!

11 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/12GB)	vs	14 Advantages Asus Zenfone 8 Flip (128GB)
+2.4GHz 64bit Octa-core (4nm)2% More powerful processor, you can open your applications faster	vs	2.84GHz 64bit Octa-core (5nm)
+12GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.	vs	8GB LPDDR5
+256GB (233GB available)118% More internal storage for applications and files	vs	128GB (107GB available)
+7.8 millimeters (0.31 inches)14% Thinner	vs	8.9 millimeters (0.35 inches)
+120Hz33% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	90Hz
+6.7"1% Larger screen	vs	6.67"
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+1/1.56" inches11% The larger sensor camera lets you take photos with better depth.	vs	1/1.73" inches
+Android 15Advantage Android 15 is newer and safer	vs	Android 13
+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files	vs	(5G SA/NSA) 2000 Mbps
+45W50% 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	30W
UFS 2.2	vs	+UFS 3.1Advantage Fastest write and read storage.
180 grams (6.3 ounces)	vs	+169 grams (5.92 ounces)7% Lighter
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
393 PPI	vs	+395 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 50MP + 8MP + 2MP	vs	+(triple camera) 64MP + 12MP + 8MP40% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
(front) 50MP	vs	+(triple front camera) 64MP + 12MP + 8MP68% Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(front) 4K UHD (3840x2160)	vs	+(front) 8K UHD (7680x4320)3 times More image quality for recording videos with the secondary camera
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.
Not supported	vs	+Gorilla Glass 6Advantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

32 Common items in both devices

Until 1TB microSD, microSDXC

Super AMOLED

16 million

1080x2400 pixels

PDAF: phase detection autofocus

BSI sensor

HDR photo on both cameras / HDR photo/video on both cameras

+25 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)	Asus Zenfone 8 Flip (128GB)
Change model		Choose the model
Model	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Zenfone 8 Flip (128GB)
Other model names	Galaxy M55 5G SM-M556B/Dual-SIM	Asus Zenfone 8 (ZS672KS)
Country or region available	(Middle East), India, Israel, Vietnam	(Global, International)
Brand	Samsung	Asus
Release date	3/28/2024	5/13/2021, Announced: 5/12/2021
Depth	7.8 millimeters (0.31 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	68.5 x 148 millimeters (2.7 x 5.83 in)
Weight	180 grams (6.3 ounces)	169 grams (5.92 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.7" inches	6.67" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~105.9% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	393 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 6
Refresh rate	120Hz	90Hz
Display features	Always-On Display	700nits[typ], 1000nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
System version	Android 14	Android 11
Firmware update	Android 15	Android 13
User Interface	One UI 6.1 / 7.0	ZenUI 8 / 9 / 10
⚙️ Processor
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
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, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	Qualcomm Adreno 660 (840MHz)
Performance (benchmark)	AnTuTu: 582102 (v10)	AnTuTu: 675851 (v8), 797848(v9) Geekbench: 3673 (v5.1) GFXBench: 62fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
RAM memory	12GB LPDDR4X	8GB LPDDR5
Internal storage	256GB (233GB available) UFS 2.2	128GB (107GB available) UFS 3.1
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-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
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	2000/1024 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 800/850/900/1700/1900/2100
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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)	SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 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
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	UMTS 800/850/900/1700/1900/2100
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	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) 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
📷 Camera
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	(triple camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom
Main camera resolution	8160x6120 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/1.56" inches	1/1.73" inches
Pixel size	1µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)	4K@120fps 1080p@240fps 720p@480fps
📸 Front camera
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Front camera (secondary)	50 megapixels	Uses the back motorized camera (flip-up/rotating)
Front camera resolution	8160x6120 pixels	10120x6328 pixels
Video recording (secondary)	4K UHD (3840x2160)	8K UHD (7680x4320)
Front flash	Not supported	Dual-LED flash
Focal aperture	f/2.4 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.73" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Loudspeaker	Stereo sound	Stereo sound 24-bit/192kHz
Active noise cancellation	2 microphones	2 microphones or more
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 M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
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	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	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, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	45W Wired fast charging	30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
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
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
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: Dark Blue, Light Green	• Colors: Galactic Black, Glacier Silver
☢️ Radiation rate
	Galaxy M55 (SM-M556B/DS 256GB/12GB)	Asus Zenfone 8 Flip (128GB)
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