Samsung Galaxy J4 Plus (SM-J415F/DS 32GB) vs LG K40 (X420EMW)

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Side by side comparison between Samsung Galaxy J4+ Plus vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

4/9/2019 7:51 PM, updated: 5/18/2020 2:48 PM

Compare LG K40 X Samsung Galaxy J4 Plus (SM-J415F/DS 32GB) 10Points

Specifications Compare Models Pictures

6"
IPS

720x1480

13
MP

5mp

2GB
RAM

Quad-core

3300
mAh

(Non removable)

12Points LG K40 (X420EMW) Compare Samsung Galaxy J4+ Plus X

Specifications Compare Models Pictures

5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K40 (X420EMW)

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 Samsung Galaxy J4 Plus (SM-J415F/DS 32GB)	vs	12 Advantages LG K40 (X420EMW)
+32GB (22GB available)10% More internal storage for applications and files	vs	32GB (20GB available)
+7.9 millimeters (0.31 inches)5% Thinner	vs	8.3 millimeters (0.33 inches)
+720x1480 pixels3% Higher resolution screen	vs	720x1440 pixels
+6"5% Larger screen	vs	5.7"
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 8.1 Oreo
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
1.4GHz 64bit Quad-core	vs	+2GHz 64bit Octa-core (12nm)62% More powerful processor, you can open your applications faster
178 grams (6.23 ounces)	vs	+145 grams (5.08 ounces)23% Lighter
274 PPI	vs	+282 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 13MP	vs	+(back) 16MP25% 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
(front) 5MP	vs	+(front) 8MP63% Higher resolution secondary camera to take pictures and selfies
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
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
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
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

25 Common items in both devices

2GB LPDDR3

eMMC 5.1

Until 1TB microSD, microSDXC

Plastic body, glass front

TFT IPS LCD

16 million

LED flash on both cameras

+18 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 J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Change model		Choose the model
Model	Galaxy J4 Plus (SM-J415F/DS 32GB)	K40 (X420EMW)
Other model names	Galaxy J4+ SM-J415F/Dual-Sim	LG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW
Country or region available	South Africa, India, Malaysia, Singapore, (Global, International)	(Global, International), (Europe)
Brand	Samsung	LG
Release date	9/21/2018	3/31/2019
Depth	7.9 millimeters (0.31 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	76.9 x 161.4 millimeters (3.03 x 6.35 in)	71.9 x 153 millimeters (2.83 x 6.02 in)
Weight	178 grams (6.23 ounces)	145 grams (5.08 ounces)
Build, materials	Plastic body, glass front	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 J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	6" inches	5.7" inches
Screen-to-body ratio	~73.6% (screen-to-body ratio)	~76.2% (screen-to-body ratio)
Display resolution	720x1480 pixels	720x1440 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	274 PPI	282 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
System version	Android 8.1 Oreo	Android 8.1 Oreo
Firmware update	Android 9.0 Pie	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
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 J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	32GB (22GB available) eMMC 5.1	32GB (20GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	300/50 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 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)	LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Back camera (main camera)	13 megapixels	16 megapixels
Main camera resolution	4128x3096 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash on both cameras
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	28mm lens	feature not registered
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1µm 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 J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Front camera (secondary)	5 megapixels	8 megapixels
Front camera resolution	2560x1920 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	LED
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
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.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Sensors	Accelerometer Ambient light sensor Face unlock Gyroscope Proximity sensor	Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3300 mAh	3000 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	23 hours	8 hours
Standby	feature not registered	100 hours (4.2 days)
➕ Other features
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
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, Pink, Blue • Infinity display 18.5:9 • Dolby Atmos sound (only earphones)	• Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound
☢️ Radiation rate
	Galaxy J4 Plus (SM-J415F/DS 32GB)	LG K40 (X420EMW)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.315W/kg (head), 1.463W/kg (body)	feature not registered