LG K8 (AS375) vs Samsung Galaxy M31 (SM-M315F/DSN 128GB)

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Side by side comparison between LG K8 vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

8/24/2020 1:09 PM, updated: 6/4/2025 10:49 AM

Compare Samsung Galaxy M31 X LG K8 (AS375) 05Points

Specifications Compare Models Pictures

5"
IPS

720x1280

8
MP

5mp

1.5GB
RAM

Quad-core

2125
mAh

(Removable)

27Points Samsung Galaxy M31 (SM-M315F/DSN 128GB) Compare LG K8 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DSN 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!

5 Advantages LG K8 (AS375)	vs	27 Advantages Samsung Galaxy M31 (SM-M315F/DSN 128GB)
+140 grams (4.9 ounces)36% Lighter	vs	191 grams (6.69 ounces)
+8.7 millimeters (0.34 inches)2% Thinner	vs	8.9 millimeters (0.35 inches)
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.3GHz 32bit Quad-core (28nm)	vs	+2.3GHz 64bit Octa-core (10nm)127% More powerful processor, you can open your applications faster
1.5GB LPDDR3	vs	+6GB LPDDR4X3 times More RAM memory. Typically more responsive and better for multitasking.
8GB (3.5GB available)	vs	+128GB (108GB available)30 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
294 PPI	vs	+403 PPI37% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+6.4"28% Larger screen
(back) 8MP	vs	+(quad camera) 64MP + 8MP + 5MP + 5MP9 times Higher resolution main camera
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.4 (aperture)	vs	+f/1.8 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 32MP5 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) 4K UHD (3840x2160)8 times More image quality for recording videos with the secondary camera
Android 7.0 Nougat	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2125 mAh	vs	+6000 mAh182% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

20 Common items in both devices

60Hz

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

4G LTE / 4G LTE-A

+13 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 K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Change model		Choose the model
Model	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Other model names	ACG LG K8 CDMA Illinois Valley, LG AS375, LG M1V	Galaxy M315F/Dual-Sim NFC (128GB + 6GB RAM)
Country or region available	USA	South Africa, Angola, Saudi Arabia, United Arab Emirates, Morocco, Mozambique, Russia, Turkey, Ukraine
Brand	LG	Samsung
Release date	5/1/2016	3/5/2020, Announced: 2/25/2020
Depth	8.7 millimeters (0.34 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	71.37 x 144.53 millimeters (2.81 x 5.69 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	140 grams (4.9 ounces)	191 grams (6.69 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5" inches	6.4" inches
Screen-to-body ratio	~66.8% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	2.5D glass screen	420nits[peak]
🤖 Operating System
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
System version	Android 6.0 Marshmallow	Android 10
Firmware update	Android 7.0 Nougat	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Chipset	32bit: Qualcomm Snapdragon 212 (MSM8909v2) (28nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 304 (400MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
RAM memory	1.5GB LPDDR3	6GB LPDDR4X
Internal storage	8GB (3.5GB available)	128GB (108GB available) UFS 2.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Not supported	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (2, 4, 5, 12, 17, 25)	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Back camera (main camera)	8 megapixels	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2
Main camera resolution	3264x2448 pixels	10120x6328 pixels
Video recording (primary)	HD (1280x720) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.4 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Front camera (secondary)	5 megapixels	32 megapixels
Front camera resolution	2592x1944 pixels	6528x4896 pixels
Video recording (secondary)	HD (1280x720)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	1 microphone	2 microphones or more
Radio	FM (RDS)	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Sensors	Accelerometer Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope
Vibrating alert	Supported	Supported
🔋 Battery
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2125 mAh	6000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	10 hours	feature not registered
Standby	360 hours (15 days)	feature not registered
➕ Other features
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
Call control	Voice dialing, Voice recorder	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: Blue • Knock Code	• Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1
☢️ Radiation rate
	LG K8 (AS375)	Galaxy M31 (SM-M315F/DSN 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.8W/kg (head), 1.25W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.482W/kg (head), 1.127W/kg (body)