LG G6 (H870i) vs Samsung Galaxy M55 (SM-M556B/DS 128GB)

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Side by side comparison between LG G6 vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 11:15 AM, updated: 5/20/2025 7:27 AM

Compare Samsung Galaxy M55 X LG G6 (H870i) 12Points

Specifications Compare Models Pictures

5.7"
IPS

1440x2880

13
MP

5mp

4GB
RAM

Quad-core

3230
mAh

(Non removable)

20Points Samsung Galaxy M55 (SM-M556B/DS 128GB) Compare LG G6 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-M556B/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!

12 Advantages LG G6 (H870i)	vs	20 Advantages Samsung Galaxy M55 (SM-M556B/DS 128GB)
+163 grams (5.71 ounces)10% Lighter	vs	180 grams (6.3 ounces)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Dolby Vision/HDR10Advantage The Dolby Vision/HDR10 display provides vibrant colors and more details	vs	Not supported
+1440x2880 pixels60% Higher resolution screen	vs	1080x2400 pixels
+565 PPI44% 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
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C, USB OTG On-The-Go
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP68 certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2.35GHz 64bit Quad-core (14nm)	vs	+2.4GHz 64bit Octa-core (4nm)41% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
64GB (51GB available)	vs	+128GB (105GB available)106% More internal storage for applications and files
UFS 2.0	vs	+UFS 2.2Advantage Fastest write and read storage.
7.9 millimeters (0.31 inches)	vs	+7.8 millimeters (0.31 inches)1% Thinner
TFT IPS LCD	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.
5.7"	vs	+6.7"18% Larger screen
(dual camera) 13MP + 13MP	vs	+(triple camera) 50MP + 8MP + 2MP131% Higher resolution main camera
1/3" inches	vs	+1/1.56" inches92% The larger sensor camera lets you take photos with better depth.
(front) 5MP	vs	+(front) 50MP9 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 9.0 Pie	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) 600 Mbps	vs	+(5G Sub6) 3000 Mbps4 times Faster for surfing the internet and download files
3230 mAh	vs	+5000 mAh55% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+45W150% 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.
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
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

27 Common items in both devices

Until 1TB microSD, microSDXC

16 million

Only digital zoom

PDAF: phase detection autofocus

OIS (3-axis): Optical stabilization / OIS: Optical stabilization

BSI sensor

HDR photo/video and HDR photo on front camera / HDR photo on both cameras

+20 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
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Change model		Choose the model
Model	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Other model names	LG G6 (64GB) H870i, LG-H870i, LGH870i	Galaxy M55 5G SM-M556B/Dual-SIM
Country or region available	Brazil	(Global, International), Bangladesh, Mexico
Brand	LG	Samsung
Release date	4/1/2017, Announced: 2/26/2017	3/28/2024
Depth	7.9 millimeters (0.31 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	71.9 x 148.9 millimeters (2.83 x 5.86 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	163 grams (5.71 ounces)	180 grams (6.3 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.7" inches	6.7" inches
Screen-to-body ratio	~78.3% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	1440x2880 pixels (18:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	565 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	120Hz
Display features	Dolby Vision/HDR10 Always-On Display	Always-On Display
🤖 Operating System
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
System version	Android 7.0 Nougat	Android 14
Firmware update	Android 9.0 Pie	Android 15
User Interface	LG UX UI 6.0 / 8.0	One UI 6.1 / 7.0
⚙️ Processor
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Chipset	64bit: Qualcomm Snapdragon 821 (MSM8996AC) (14nm)	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-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 530 (653MHz)	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	AnTuTu: 158785 (v7) Geekbench: 4175 (v4.4) GFXBench: 8.5fps (ES 3.1 onscreen)	AnTuTu: 582102 (v10)
💽 Memory and storage
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
RAM memory	4GB LPDDR4	8GB LPDDR4X
Internal storage	64GB (51GB available) UFS 2.0	128GB (105GB available) UFS 2.2
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 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	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12 (1, 3, 5, 7, 8, 20, 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+, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	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	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Back camera (main camera)	(dual camera) 13 megapixels 13MP ultrawide f/2.41/4"12mm125°FF	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	4160x3120 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/1.8 (aperture)	f/1.8 (aperture)
Focal length	30mm (lens)	feature not registered
Sensor size	1/3" inches	1/1.56" inches
Pixel size	1.12µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (3-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	Supported	Supported
HDR	HDR photo/video and HDR photo on front camera	HDR photo on both cameras
Camera extras	1080p@60fps 720p@120fps	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Front camera (secondary)	5 megapixels	50 megapixels
Front camera resolution	2560x1920 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.4 (aperture)
Focal length	18mm (lens)	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Loudspeaker	Stereo sound 32-bit/192kHz	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
USB	USB 3.1 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 SlimPort®	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 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
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3230 mAh	5000 mAh
Charger, watts	18W Wired fast charging Quick Charge 3	45W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	23 hours	feature not registered
Standby	384 hours (16 days)	feature not registered
➕ Other features
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 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: Astro black, Mystic white, Ice platinum • Fast battery charging: 50% in 30min • Knock Code, KnockOn	• Colors: Dark Blue, Light Green
☢️ Radiation rate
	LG G6 (H870i)	Galaxy M55 (SM-M556B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.79W/kg (head), 1.09W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.96W/kg (head), 0.98W/kg (body)