Samsung Galaxy J2 Pro 2018 (SM-J250M/DS) vs LG K31 (K300WM)

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Side by side comparison between Samsung Galaxy J2 Pro (2018) vs LG K31 phones, differences, pros, cons and full specifications. What's the better?

3/29/2021 10:49 AM, updated: 3/29/2021 10:49 AM

Compare LG K31 X Samsung Galaxy J2 Pro 2018 (SM-J250M/DS) 09Points

Specifications Compare Models Pictures

5"
AMOLED

540x960

8
MP

5mp

1.5GB
RAM

Quad-core

2600
mAh

(Removable)

18Points LG K31 (K300WM) Compare Samsung Galaxy J2 Pro (2018) X

Specifications Compare Models Pictures

5.7"
IPS

720x1520

13
MP

5mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K31 (K300WM)

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!

9 Advantages Samsung Galaxy J2 Pro 2018 (SM-J250M/DS)	vs	18 Advantages LG K31 (K300WM)
+8.4 millimeters (0.33 inches)2% Thinner	vs	8.6 millimeters (0.34 inches)
+Aluminum body, glass front, plastic backAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
1.4GHz 64bit Quad-core (28nm)	vs	+2GHz 64bit Octa-core (12nm)62% More powerful processor, you can open your applications faster
1.5GB LPDDR3	vs	+2GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)	vs	+32GB (17GB available)70% More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
153 grams (5.36 ounces)	vs	+146 grams (5.11 ounces)5% Lighter
540x960 pixels	vs	+720x1520 pixels111% Higher resolution screen
220 PPI	vs	+295 PPI34% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+5.7"14% Larger screen
(back) 8MP	vs	+(dual camera) 13MP + 5MP123% Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)	vs	+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 8.0 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
2600 mAh	vs	+3000 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

21 Common items in both devices

eMMC 5.1

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

(front) 5MP

Full HD (1920x1080)

+14 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 J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Change model		Choose the model
Model	Galaxy J2 Pro 2018 (SM-J250M/DS)	K31 (K300WM)
Other model names	Galaxy J2 Pro J250M/Dual-Sim	LG K31 (Spectrum Mobile), LMK300WM.ACANSV, LM-K300WM
Country or region available	(Latin America), Brazil	Canada
Brand	Samsung	LG
Release date	1/1/2018	8/21/2020
Depth	8.4 millimeters (0.33 inches)	8.6 millimeters (0.34 inches)
Size (width x height)	72.3 x 143.8 millimeters (2.85 x 5.66 in)	71.12 x 147.83 millimeters (2.8 x 5.82 in)
Weight	153 grams (5.36 ounces)	146 grams (5.11 ounces)
Build, materials	Aluminum body, glass front, plastic back	Plastic body, glass front
Protection against water and others	Not supported	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5" inches	5.7" inches
Screen-to-body ratio	~66.3% (screen-to-body ratio)	~77.1% (screen-to-body ratio)
Display resolution	540x960 pixels	720x1520 pixels (19:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	220 PPI	295 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Panda King Glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Chipset	64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm)	64bit: MediaTek Helio P22 (MT6762) (12nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 308 (500MHz)	PowerVR GE8320 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
RAM memory	1.5GB LPDDR3	2GB LPDDR3
Internal storage	16GB (10GB available) eMMC 5.1	32GB (17GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	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 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)	LTE Cat4 (2, 4, 5, 12, 13, 66)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Back camera (main camera)	8 megapixels	(dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm
Main camera resolution	3264x2448 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.2 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	feature not registered	1/3.1" inches
Pixel size	feature not registered	1.12µm 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	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Front camera (secondary)	5 megapixels	5 megapixels
Front camera resolution	2560x1920 pixels	2560x1920 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	feature not registered	1/5" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Fingerprint sensor (rear-mounted)
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2600 mAh	3000 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	18 hours	11 hours
Standby	feature not registered	528 hours (22 days)
➕ Other features
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
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: Black, Gold, Blue, Pink	• Colors: Silver • LG UX 9.1
☢️ Radiation rate
	Galaxy J2 Pro 2018 (SM-J250M/DS)	LG K31 (K300WM)
SAR 1.6W/kg (USA, Mexico, etc.)	0.97W/kg (head), 0.56W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered