LG G8X ThinQ (G850QM7) vs Samsung Galaxy Quantum 5 (SM-A556S)

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Side by side comparison between LG G8X ThinQ vs Samsung Galaxy Quantum 5 phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 5:30 AM, updated: 5/20/2025 8:15 AM

Compare Samsung Galaxy Quantum 5 X LG G8X ThinQ (G850QM7) 10Points

Specifications Compare Models Pictures

6.4"
OLED

1080x2340

12
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

18Points Samsung Galaxy Quantum 5 (SM-A556S) Compare LG G8X ThinQ X

Specifications Compare Models Pictures

6.6"
AMOLED

1080x2340

50
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Quantum 5 (SM-A556S)

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!

10 Advantages LG G8X ThinQ (G850QM7)	vs	18 Advantages Samsung Galaxy Quantum 5 (SM-A556S)
+192 grams (6.72 ounces)11% Lighter	vs	213 grams (7.46 ounces)
+403 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	390 PPI
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	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
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	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
+IP68 certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	IP67 certified
2.84GHz 64bit Octa-core (7nm)	vs	+2.75GHz 64bit Octa-core (4nm)6% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
8.4 millimeters (0.33 inches)	vs	+8.2 millimeters (0.32 inches)2% Thinner
OLED	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
6.4"	vs	+6.6"3% Larger screen
(dual camera) 12MP + 13MP	vs	+(triple camera) 50MP + 12MP + 5MP168% Higher resolution main camera
1/2.55" inches	vs	+1/1.56" inches63% The larger sensor camera lets you take photos with better depth.
Android 10	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) 2000 Mbps	vs	+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
21W	vs	+25W19% 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	+1 slot (Single-SIM) + e-SIM (Eletronic) (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
5.0 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster

33 Common items in both devices

128GB (104GB available) / 128GB (109GB available)

Until 1TB microSD, microSDXC

Aluminum frame, glass front/back

16 million

1080x2340 pixels

LED flash

Only digital zoom

+26 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 G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Change model
Model	G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Other model names	LG G8X ThinQ Dual Screen (Unlocked) LMG850QM7XAUSABK	갤럭시 퀀텀5 사업자향 (SKT), Galaxy Quantum5
Country or region available	USA	South Korea
Brand	LG	Samsung
Release date	11/1/2019, Announced: 9/6/2019	3/15/2024, Announced: 3/11/2024
Depth	8.4 millimeters (0.33 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	75.8 x 159.3 millimeters (2.98 x 6.27 in)	77.4 x 161.1 millimeters (3.05 x 6.34 in)
Weight	192 grams (6.72 ounces)	213 grams (7.46 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back Back: Corning Gorilla Glass
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.	IP67 certified: dust proof and waterproof over 1 meter and 30min
📲 Display
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Display type	OLED	Super AMOLED
Screen size	6.4" inches	6.6" inches
Screen-to-body ratio	~83.3% (screen-to-body ratio)	~85.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	390 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	HDR10 Always-On Display DCI-P3 100%	HDR10+ Always-On Display
🤖 Operating System
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
System version	Android 9.0 Pie	Android 14
Firmware update	Android 10	Android 15
User Interface	LG UX 9.0 / 10	One UI 6.1 / 7.0
⚙️ Processor
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Chipset	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)	64bit: Samsung Exynos 1480 (4nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)	Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 640 (585MHz)	Samsung Xclipse 530
Performance (benchmark)	AnTuTu: 339726 (v7), 411980 (v8) Geekbench: 11251 (v4.4), 2870 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)	AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6)
💽 Memory and storage
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (104GB available) UFS 2.1	128GB (109GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
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)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	2000/75 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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 71) TD-LTE (41, 48) VoLTE	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not supported
📷 Camera
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Back camera (main camera)	(dual camera) 12 megapixels 13MP ultrawide f/2.49mm1.0µm	(triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4
Main camera resolution	4000x3000 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	27mm (lens)	feature not registered
Sensor size	1/2.55" inches	1/1.56" inches
Pixel size	1.4µm 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	4K@30/60fps 1080p@30/60/240fps	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Front camera (secondary)	32 megapixels	32 megapixels
Front camera resolution	6528x4896 pixels	6528x4896 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	1/2.8" inches	1/2.74" inches
Pixel size	0.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Loudspeaker	Stereo sound 32-bit/192kHz Tuned by Meridian	Stereo sound
Active noise cancellation	2 microphones or more	3 microphones
Radio	FM	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
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
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 (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.3 + 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	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	21W Wired fast charging Quick Charge 3 USB Power Delivery 2.0	25W Wired fast charging
Inductive / wireless charging	9W Qi wireless charging	Not supported
Talk time autonomy	20 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
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: New Aurora Black • Screen case (foldable)	• Colors: Navy, Iceblue, Lilac, Lemon
☢️ Radiation rate
	LG G8X ThinQ (G850QM7)	Galaxy Quantum 5 (SM-A556S)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.629W/kg (head), 1.11W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered

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LG G8X ThinQ (G850QM7) vs Samsung Galaxy Quantum 5 (SM-A556S)

Side by side comparison between LG G8X ThinQ vs Samsung Galaxy Quantum 5 phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Samsung Galaxy Quantum 5 (SM-A556S)

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate