Asus Zenfone 3 (5.5 ZE552KL 64GB) vs Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)

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Side by side comparison between Asus Zenfone 3 vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 11:07 AM, updated: 5/20/2025 7:27 AM

Compare Samsung Galaxy M55 X Asus Zenfone 3 (5.5 ZE552KL 64GB) 08Points

Specifications Compare Models Pictures

5.5"
IPS+

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

24Points Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB) Compare Asus Zenfone 3 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-M556E/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!

8 Advantages Asus Zenfone 3 (5.5 ZE552KL 64GB)	vs	24 Advantages Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)
+155 grams (5.43 ounces)16% Lighter	vs	180 grams (6.3 ounces)
+7.7 millimeters (0.3 inches)1% Thinner	vs	7.8 millimeters (0.31 inches)
+Aluminum body, glass front, plastic backAdvantage More resistant material	vs	Plastic body, glass front
+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	393 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2GHz 64bit Octa-core (14nm)	vs	+2.4GHz 64bit Octa-core (4nm)20% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
64GB (55GB available)	vs	+256GB (233GB available)3 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
TFT Super IPS+	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.
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.5"	vs	+6.7"22% Larger screen
(back) 16MP	vs	+(triple camera) 50MP + 8MP + 2MP3 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
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 50MP5 times Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 8.0 Oreo	vs	+Android 15Advantage Android 15 is newer and safer
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+45W4 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.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac [wifi5]	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
4.2 + 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

23 Common items in both devices

16 million

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

HDR photo on both cameras

4K UHD (3840x2160)

Capacitive

+16 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
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Change model		Choose the model
Model	Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Other model names	Zenfone 3 ZE552KL 4GB/64GB 5.5" Dual-SIM, Asus Libra	Galaxy M55 5G SM-M556E/Dual-SIM
Country or region available	(Europe), (Global, International), Brazil, Canada, China, USA, Hong Kong, India, Indonesia, Japan, Taiwan	(Europe), Russia
Brand	Asus	Samsung
Release date	7/12/2016	3/28/2024
Depth	7.7 millimeters (0.3 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	77.38 x 152.59 millimeters (3.05 x 6.01 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	155 grams (5.43 ounces)	180 grams (6.3 ounces)
Build, materials	Aluminum body, glass front, plastic back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Display type	TFT Super IPS+	Super AMOLED
Screen size	5.5" inches	6.7" inches
Screen-to-body ratio	~70.6% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	120Hz
Display features	2.5D glass	Always-On Display
🤖 Operating System
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
System version	Android 6.0.1 Marshmallow	Android 14
Firmware update	Android 8.0 Oreo	Android 15
User Interface	ZenUI 3.0	One UI 6.1 / 7.0
⚙️ Processor
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-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 506 (650MHz)	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	feature not registered	AnTuTu: 582102 (v10)
💽 Memory and storage
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
RAM memory	4GB LPDDR3	8GB LPDDR4X
Internal storage	64GB (55GB available) eMMC 5.1	256GB (233GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
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 (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	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	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 Global: LTE (1, 2, 3, 5, 7, 8, 20) Taiwan: LTE (1, 2, 3, 5, 7, 8, 18, 19, 26, 28) TD-LTE (38, 39, 40, 41) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil/USA: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)	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+, TD-LTE, LTE, LTE-A	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	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100	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, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Back camera (main camera)	16 megapixels	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	4608x3456 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	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	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	4K@30fps 1080p@30/60fps	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Front camera (secondary)	8 megapixels	50 megapixels
Front camera resolution	3264x2448 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	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
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) 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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	10W (5V/2A) 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
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	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: Sapphire Black, Moonlight White, Shimmer Gold	• Colors: Dark Blue, Light Green
☢️ Radiation rate
	Asus Zenfone 3 (5.5 ZE552KL 64GB)	Galaxy M55 (SM-M556E/DS 256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.81W/kg (head), 1.18W/kg (body)