LG K40S (X430BMW) vs Samsung Galaxy J4 (SM-J400F/DS 32GB)

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Side by side comparison between LG K40S vs Samsung Galaxy J4 phones, differences, pros, cons and full specifications. What's the better?

3/14/2020 1:49 PM, updated: 7/1/2020 9:41 PM

Compare Samsung Galaxy J4 X LG K40S (X430BMW) 19Points

Specifications Compare Models Pictures

6.1"
IPS

720x1520

13
MP

13mp

3GB
RAM

Octa-core

3500
mAh

(Non removable)

06Points Samsung Galaxy J4 (SM-J400F/DS 32GB) Compare LG K40S X

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

5mp

2GB
RAM

Quad-core

3000
mAh

(Removable)

What's the better phone? LG K40S (X430BMW)

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!

19 Advantages LG K40S (X430BMW)	vs	6 Advantages Samsung Galaxy J4 (SM-J400F/DS 32GB)
+2GHz 64bit Octa-core (12nm)90% More powerful processor, you can open your applications faster	vs	1.4GHz 64bit Quad-core (14nm)
+3GB LPDDR350% More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+32GB (18GB available)80% More internal storage for applications and files	vs	16GB (10GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	Flash (EEPROM)
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+720x1520 pixels19% Higher resolution screen	vs	720x1280 pixels
+276 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	267 PPI
+6.1"11% Larger screen	vs	5.5"
+(dual camera) 13MP + 5MP39% Higher resolution main camera	vs	(back) 13MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+(front) 13MP160% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+3500 mAh17% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
186 grams (6.51 ounces)	vs	+175 grams (6.13 ounces)6% Lighter
8.6 millimeters (0.34 inches)	vs	+8.1 millimeters (0.32 inches)6% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
LED flash	vs	+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light
f/2.0 (aperture)	vs	+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily

19 Common items in both devices

Plastic body, glass front / Plastic body

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

Full HD (1920x1080)

Android 9.0 Pie

+12 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 K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Change model		Choose the model
Model	K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Other model names	LG K40s LM-X430BMW, LMX430BMW (3GB RAM)	Galaxy J4 J400F/Dual-sim, SM-J400FZKDINS
Country or region available	Brazil	United Arab Emirates, India, Singapore
Brand	LG	Samsung
Release date	9/1/2019	5/1/2018
Depth	8.6 millimeters (0.34 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	73.9 x 156.3 millimeters (2.91 x 6.15 in)	77.2 x 151.7 millimeters (3.04 x 5.97 in)
Weight	186 grams (6.51 ounces)	175 grams (6.13 ounces)
Build, materials	Plastic body, glass front	Plastic body
Protection against water and others	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.1" inches	5.5" inches
Screen-to-body ratio	~80.4% (screen-to-body ratio)	~71.2% (screen-to-body ratio)
Display resolution	720x1520 pixels (19:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	276 PPI	267 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
System version	Android 9.0 Pie	Android 8.0 Oreo
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: Samsung Exynos 7570 (14nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	ARM Mali-T720 MP1 (830MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
RAM memory	3GB LPDDR3	2GB LPDDR3
Internal storage	32GB (18GB available) eMMC 5.1	16GB (10GB available) Flash (EEPROM)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
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) micro-SIM (3FF)
Maximum Download / Upload	300/50 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	Tri-Band 850/900/1800
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28)	LTE Cat4 (Bands 1,3,5,7,8,20) TD-LTE (Bands 38,40)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117°	13 megapixels
Main camera resolution	4128x3096 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash on both cameras
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	26mm lens	28mm lens
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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 on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Front camera (secondary)	13 megapixels	5 megapixels
Front camera resolution	4128x3096 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, MKV, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
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	5.0 + A2DP/LE	4.2 + A2DP
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	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Sensors	Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3500 mAh	3000 mAh
Charger, watts	6W (5V/1.2A) Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	16 hours	20 hours
Standby	432 hours (18 days)	feature not registered
➕ Other features
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
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: Aurora Black, Moroccan Blue • DTS:X 3D sound surround • Eco Playback	• Colors: Black, Gold, Orchid Gray
☢️ Radiation rate
	LG K40S (X430BMW)	Galaxy J4 (SM-J400F/DS 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.356W/kg (head), 1.492W/kg (body)