Xiaomi Poco F4 (128GB/6GB) vs Samsung Galaxy M55s (SM-M558B/DS 256GB)

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Side by side comparison between Xiaomi Poco F4 vs Samsung Galaxy M55s phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 7:25 AM, updated: 5/20/2025 7:36 AM

Compare Samsung Galaxy M55s X Xiaomi Poco F4 (128GB/6GB) 11Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

20mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

12Points Samsung Galaxy M55s (SM-M558B/DS 256GB) Compare Xiaomi Poco F4 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 M55s (SM-M558B/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!

11 Advantages Xiaomi Poco F4 (128GB/6GB)	vs	12 Advantages Samsung Galaxy M55s (SM-M558B/DS 256GB)
+3.2GHz 64bit Octa-core (7nm)3% More powerful processor, you can open your applications faster	vs	2.4GHz 64bit Octa-core (4nm)
+UFS 3.1Advantage Fastest write and read storage.	vs	UFS 2.2
+7.7 millimeters (0.3 inches)1% Thinner	vs	7.8 millimeters (0.31 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details	vs	Not supported
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+395 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	393 PPI
+(triple camera) 64MP + 8MP + 2MP24% Higher resolution main camera	vs	(triple camera) 50MP + 8MP + 2MP
+67W49% 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	45W
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP53 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
6GB LPDDR5	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
128GB (101GB available)	vs	+256GB (233GB available)131% More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
195 grams (6.83 ounces)	vs	+180 grams (6.3 ounces)8% Lighter
AMOLED	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
6.67"	vs	+6.7"1% Larger screen
1/2" inches	vs	+1/1.56" inches28% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 50MP151% 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 13	vs	+Android 15Advantage Android 15 is newer and safer
(5G SA/NSA) 2000 Mbps	vs	+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files
4500 mAh	vs	+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

34 Common items in both devices

120Hz

1080x2400 pixels

LED flash

Only digital zoom

PDAF: phase detection autofocus

OIS: Optical stabilization

BSI sensor

+27 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
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Change model		Choose the model
Model	Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Other model names	POCO F4 5G (128GB+6GB RAM)	Galaxy M55s 5G SM-M558B/Dual-SIM
Country or region available	(Global, International)	Bangladesh, India
Brand	Xiaomi	Samsung
Release date	6/27/2022, Announced: 6/23/2022	9/26/2024, Announced: 9/24/2024
Depth	7.7 millimeters (0.3 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	75.95 x 163.2 millimeters (2.99 x 6.43 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	195 grams (6.83 ounces)	180 grams (6.3 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP53 certified: protection against dust and splashing	Not supported
📲 Display
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Display type	AMOLED	Super AMOLED
Screen size	6.67" inches	6.7" inches
Screen-to-body ratio	~86.7% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	395 PPI	393 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	120Hz	120Hz
Display features	900nits[typ], 1300nits[peak] Dolby Vision/HDR10+ 100% DCI-P3	Always-On Display
🤖 Operating System
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
System version	Android 12	Android 14
Firmware update	Android 13	Android 15
User Interface	MIUI 13 / 14	One UI 6.1 / 7.0
⚙️ Processor
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Chipset	64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (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	Qualcomm Adreno 650 (670MHz)	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	feature not registered	AnTuTu: 582102 (v10)
💽 Memory and storage
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
RAM memory	6GB LPDDR5	8GB LPDDR4X
Internal storage	128GB (101GB available) UFS 3.1	256GB (233GB available) UFS 2.2
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
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)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 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 Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41)	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	Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) India version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 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	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 Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41)	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Back camera (main camera)	(triple camera) 64 megapixels 8MP ultrawide f/2.2119°1/4"1.12µm 2MP macro f/2.4	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	10120x6328 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2" inches	1/1.56" inches
Pixel size	0.7µm 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	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@60fps	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Front camera (secondary)	20 megapixels	50 megapixels
Front camera resolution	5184x3840 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.4 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3.06" inches	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Loudspeaker	Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos	Stereo sound
Active noise cancellation	2 microphones or more	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
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
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, NavIC	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4500 mAh	5000 mAh
Charger, watts	67W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0	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
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
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: Moonlight Silver, Night Black, Nebula Green	• Colors: Thunder Black, Coral Green
☢️ Radiation rate
	Xiaomi Poco F4 (128GB/6GB)	Galaxy M55s (SM-M558B/DS 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.93W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered