Samsung Galaxy M55s (SM-M558B/DS 128GB) vs Microsoft Lumia 950 XL (RM-1100)

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Side by side comparison between Samsung Galaxy M55s vs Microsoft Lumia 950 XL phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 7:22 AM, updated: 5/20/2025 7:36 AM

Compare Microsoft Lumia 950 XL X Samsung Galaxy M55s (SM-M558B/DS 128GB) 22Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

12Points Microsoft Lumia 950 XL (RM-1100) Compare Samsung Galaxy M55s X

Specifications Compare Models Pictures

5.7"
AMOLED

1440x2560

20.1
MP

5mp

3GB
RAM

Octa-core

3340
mAh

(Removable)

What's the better phone? Samsung Galaxy M55s (SM-M558B/DS 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!

22 Advantages Samsung Galaxy M55s (SM-M558B/DS 128GB)	vs	12 Advantages Microsoft Lumia 950 XL (RM-1100)
+2.4GHz 64bit Octa-core (4nm)31% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core
+8GB LPDDR4X167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4
+128GB (105GB available)3 times More internal storage for applications and files	vs	32GB (27GB available)
+Until 1TB microSD, microSDXC4 times More external storage for files using memory cards	vs	Until 200GB microSD, microSDXC
+7.8 millimeters (0.31 inches)4% Thinner	vs	8.1 millimeters (0.32 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+6.7"18% Larger screen	vs	5.7"
+(triple camera) 50MP + 8MP + 2MP198% Higher resolution main camera	vs	(back) 20.1MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+1/1.56" inches54% The larger sensor camera lets you take photos with better depth.	vs	1/2.4" inches
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 50MP9 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+3500000 apps (Google Play Store)3 times More apps available to download and use	vs	1000000 apps (Windows Store)
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE-A
+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 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
+5000 mAh50% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3340 mAh
+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 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.1 + A2DP
180 grams (6.3 ounces)	vs	+165 grams (5.78 ounces)9% Lighter
1080x2400 pixels	vs	+1440x2560 pixels42% Higher resolution screen
393 PPI	vs	+515 PPI31% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+Triple LED flashAdvantage The Triple LED flash helps in dark places or in low light
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Iris scannerAdvantage Sensors help you use the device
Li-Ion: lithium-ion (Non removable)	vs	+LiPo: li-ion polymer (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	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

BSI sensor

4K UHD (3840x2160)

Capacitive

Multitouch

+12 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 M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Change model		Choose the model
Model	Galaxy M55s (SM-M558B/DS 128GB)	Lumia 950 XL (RM-1100)
Other model names	Galaxy M55s 5G SM-M558B/Dual-SIM	Microsoft Lumia 950 XL RM-1100, Microsoft Cityman
Country or region available	Bangladesh, India	(Global, International)
Brand	Samsung	Microsoft
Release date	9/26/2024, Announced: 9/24/2024	11/20/2015
Depth	7.8 millimeters (0.31 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	78.4 x 151.9 millimeters (3.09 x 5.98 in)
Weight	180 grams (6.3 ounces)	165 grams (5.78 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Display type	Super AMOLED	AMOLED
Screen size	6.7" inches	5.7" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~75.2% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1440x2560 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	393 PPI	515 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	120Hz	feature not registered
Display features	Always-On Display	feature not registered
🤖 Operating System
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
System version	Android 14	Windows 10 Mobile
Firmware update	Android 15	feature not registered
User Interface	One UI 6.1 / 7.0	feature not registered
⚙️ Processor
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	64bit: Qualcomm Snapdragon 810 MSM8994 (20nm)
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, 2 processors: 4x 2GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	Qualcomm Adreno 430
Performance (benchmark)	AnTuTu: 582102 (v10)	feature not registered
💽 Memory and storage
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
RAM memory	8GB LPDDR4X	3GB LPDDR4
Internal storage	128GB (105GB available) UFS 2.2	32GB (27GB available)
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 200GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
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) nano-SIM (4FF)
Maximum Download / Upload	3000/1024 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	EMEA: LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,20,28), TD-LTE 2300/2600 (Bands 38,40) USA: LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,20,28), TD-LTE 2300/2500/2600 (Bands 38,40,41)
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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
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 M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	20.1 megapixels
Main camera resolution	8160x6120 pixels	5376x3744 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Triple LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/1.56" inches	1/2.4" inches
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	feature not registered
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 only main camera
Camera extras	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)	feature not registered
📸 Front camera
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Front camera (secondary)	50 megapixels	5 megapixels
Front camera resolution	8160x6120 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
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 M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Loudspeaker	Stereo sound	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C reversible connector
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	4.1 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Gyroscope Iris scanner Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Removable)
Battery capacity	5000 mAh	3340 mAh
Charger, watts	45W Wired fast charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	19 hours
Standby	feature not registered	288 hours (12 days)
➕ Other features
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
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: Thunder Black, Coral Green	• Colors: Black, White • ClearBlack display • Carl Zeiss optics camera • Qi Wireless charging • Microsoft Continuum • 15GB OneDrive • WiFi hotspot
☢️ Radiation rate
	Galaxy M55s (SM-M558B/DS 128GB)	Microsoft Lumia 950 XL (RM-1100)
SAR 1.6W/kg (USA, Mexico, etc.)	0.93W/kg (head)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered