Samsung Galaxy M55s (SM-M558B/DS 128GB) vs Xiaomi 12 Pro (256GB/8GB)

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Side by side comparison between Samsung Galaxy M55s vs Xiaomi 12 Pro 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 Xiaomi 12 Pro X Samsung Galaxy M55s (SM-M558B/DS 128GB) 11Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

19Points Xiaomi 12 Pro (256GB/8GB) Compare Samsung Galaxy M55s X

Specifications Compare Models Pictures

6.73"
AMOLED

1440x3200

50
MP

32mp

8GB
RAM

Octa-core

4600
mAh

(Non removable)

What's the better phone? Xiaomi 12 Pro (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!

11 Advantages Samsung Galaxy M55s (SM-M558B/DS 128GB)	vs	19 Advantages Xiaomi 12 Pro (256GB/8GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+180 grams (6.3 ounces)14% Lighter	vs	205 grams (7.18 ounces)
+7.8 millimeters (0.31 inches)5% Thinner	vs	8.2 millimeters (0.32 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+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) 50MP56% Higher resolution secondary camera to take pictures and selfies	vs	(front) 32MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 15Advantage Android 15 is newer and safer	vs	Android 12
+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files	vs	(5G SA/NSA) 2000 Mbps
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+5000 mAh9% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4600 mAh
2.4GHz 64bit Octa-core (4nm)	vs	+3GHz 64bit Octa-core (4nm)11% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+8GB LPDDR5Advantage This RAM type is better and more efficient.
128GB (105GB available)	vs	+256GB (218GB available)108% More internal storage for applications and files
UFS 2.2	vs	+UFS 3.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2400 pixels	vs	+1440x3200 pixels78% Higher resolution screen
393 PPI	vs	+521 PPI33% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.7"	vs	+6.73"1% Larger screen
(triple camera) 50MP + 8MP + 2MP	vs	+(triple camera) 50MP + 50MP + 50MP150% 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
1/1.56" inches	vs	+1/1.28" inches22% The larger sensor camera lets you take photos with better depth.
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
Not supported	vs	+BarometerAdvantage Sensors help you use the device
45W	vs	+120W167% 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.
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys

28 Common items in both devices

120Hz

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

OIS: Optical stabilization

BSI sensor

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

5G Sub6 / 5G SA/NSA

Capacitive

+21 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)	Xiaomi 12 Pro (256GB/8GB)
Change model		Choose the model
Model	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Other model names	Galaxy M55s 5G SM-M558B/Dual-SIM	Xiaomi 12 Pro 5G (Snapdragon) 2201122G, 2201122C
Country or region available	Bangladesh, India	(Global, International)
Brand	Samsung	Xiaomi
Release date	9/26/2024, Announced: 9/24/2024	12/31/2021, Announced: 12/28/2011
Depth	7.8 millimeters (0.31 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	74.6 x 163.6 millimeters (2.94 x 6.44 in)
Weight	180 grams (6.3 ounces)	205 grams (7.18 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Display type	Super AMOLED	AMOLED
Screen size	6.7" inches	6.73" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~89.6% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	393 PPI	521 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	120Hz	120Hz
Display features	Always-On Display	1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+
🤖 Operating System
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
System version	Android 14	Android 12
Firmware update	Android 15	feature not registered
User Interface	One UI 6.1 / 7.0	MIUI 13
⚙️ Processor
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	64bit: Qualcomm Snapdragon 8 Gen 1 (SM8450) (4nm)
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 3GHz ARM Cortex-X2 (Single-core) 3x 2.5GHz ARM Cortex-A710 (Triple-core) 4x 1.79GHz ARM Cortex-A510 (Quad-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	Qualcomm Adreno 730 (818MHz)
Performance (benchmark)	AnTuTu: 582102 (v10)	AnTuTu: 985226 (v9) Geekbench: 3682 (v5.1) GFXBench: 46fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
RAM memory	8GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (105GB available) UFS 2.2	256GB (218GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (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
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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO 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 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)	Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79) China version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42)
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
📷 Camera
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	(triple camera) 50 megapixels 50MP telephoto f/1.950mmPDAF2x-optical-zoom 50MP ultrawide f/2.2115°
Main camera resolution	8160x6120 pixels	8160x6120 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/1.9 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	1/1.56" inches	1/1.28" inches
Pixel size	1µm pixel	1.22µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical 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@60fps 1080p@960fps Sony IMX707 Leica optics
📸 Front camera
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Front camera (secondary)	50 megapixels	32 megapixels
Front camera resolution	8160x6120 pixels	6528x4896 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Loudspeaker	Stereo sound	Stereo sound with 4 speakers 24-bit/192kHz Dolby Atmos Tuned by Harman Kardon
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 M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (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	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	Supported
🧭 Sensors
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	4600 mAh
Charger, watts	45W Wired fast charging	120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	Not supported	50W Qi wireless charging 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (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: Thunder Black, Coral Green	• Colors: Gray, Blue, Purple, Green • LiquidCool
☢️ Radiation rate
	Galaxy M55s (SM-M558B/DS 128GB)	Xiaomi 12 Pro (256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.93W/kg (head)	1.09W/kg (head), 1.05W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.6W/kg (head), 1W/kg (body)