LG G4 (Dual H818N) vs Samsung Galaxy A40 (SM-A405FM/DS)

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Side by side comparison between LG G4 vs Samsung Galaxy A40 phones, differences, pros, cons and full specifications. What's the better?

3/21/2020 3:22 PM, updated: 2/11/2023 5:21 PM

Compare Samsung Galaxy A40 X LG G4 (Dual H818N) 09Points

Specifications Compare Models Pictures

5.5"
IPS

1440x2560

16
MP

8mp

3GB
RAM

Hexa-core

3000
mAh

(Removable)

22Points Samsung Galaxy A40 (SM-A405FM/DS) Compare LG G4 X

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
mAh

(Non removable)

What's the better phone? Samsung Galaxy A40 (SM-A405FM/DS)

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 LG G4 (Dual H818N)	vs	22 Advantages Samsung Galaxy A40 (SM-A405FM/DS)
+1440x2560 pixels46% Higher resolution screen	vs	1080x2340 pixels
+534 PPI22% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	437 PPI
+OIS (3-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+BarometerAdvantage 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)
+18W20% 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.	vs	15W
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.8GHz 64bit Hexa-core (20nm)	vs	+1.8GHz 64bit Octa-core14% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (25GB available)	vs	+64GB (49GB available)96% More internal storage for applications and files
eMMC 5.0	vs	+eMMC 5.1Advantage Fastest write and read storage.
Until 128GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC7 times More external storage for files using memory cards
155 grams (5.43 ounces)	vs	+140 grams (4.9 ounces)11% Lighter
9.8 millimeters (0.39 inches)	vs	+7.9 millimeters (0.31 inches)24% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
5.5"	vs	+5.9"7% Larger screen
(back) 16MP	vs	+(dual camera) 16MP + 5MP32% Higher resolution main camera
HDR photo/video only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.8 (aperture)	vs	+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 25MP2 times Higher resolution secondary camera to take pictures and selfies
Android 7.0 Nougat	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage 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
3000 mAh	vs	+3100 mAh3% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

25 Common items in both devices

Plastic body, glass front

16 million

LED flash

Only digital zoom

LDAF: laser detection autofocus / PDAF: phase detection autofocus

(front) Full HD (1920x1080)

4G LTE-A

+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
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Change model		Choose the model
Model	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Other model names	LG G4 Dual-SIM H818N, LG-H818N, LG P1	Galaxy A40 SM-A405FM/Dual-Sim, SM-A405FZKGSER
Country or region available	China, Hong Kong, India	Kazakhstan, Russia
Brand	LG	Samsung
Release date	5/1/2015, Announced: 4/28/2015	4/10/2019
Depth	9.8 millimeters (0.39 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	76.1 x 148.9 millimeters (3 x 5.86 in)	69.2 x 144.4 millimeters (2.72 x 5.69 in)
Weight	155 grams (5.43 ounces)	140 grams (4.9 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	5.9" inches
Screen-to-body ratio	~73.6% (screen-to-body ratio)	~85.5% (screen-to-body ratio)
Display resolution	1440x2560 pixels (16:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	534 PPI	437 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
System version	Android 5.1 Lollipop	Android 9.0 Pie
Firmware update	Android 7.0 Nougat	feature not registered
User Interface	LG UX 4.0 UI	feature not registered
⚙️ Processor
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Chipset	64bit: Qualcomm Snapdragon 808 (MSM8992) (20nm)	64bit: Samsung Exynos 7 Octa 7885 (14nm)
CPU	Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A57 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 418 (600MHz)	ARM Mali-G71 MP2
Performance (benchmark)	Basemark OS II: 1584 (v2)	feature not registered
💽 Memory and storage
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
RAM memory	3GB LPDDR3	4GB LPDDR4X
Internal storage	32GB (25GB available) eMMC 5.0	64GB (49GB available) eMMC 5.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
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) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	600/150 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	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (1, 3, 7) TD-LTE (38, 39, 40, 41)	LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	LTE Cat6 (1, 3, 7) TD-LTE (38, 39, 40, 41)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Back camera (main camera)	16 megapixels	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF
Main camera resolution	5312x2988 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	28mm (lens)	26mm (lens)
Sensor size	1/2.6" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
Autofocus	LDAF: laser detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (3-axis): Optical 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/video only main camera	HDR photo on both cameras
Camera extras	4K@30fps 1080p@30fps	feature not registered
📸 Front camera
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Front camera (secondary)	8 megapixels	25 megapixels
Front camera resolution	3264x2448 pixels	5760x4320 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	25mm (lens)
Sensor size	1/4" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, DivX, XviD, WMV	MP4, H.264, H.263, WMV, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 3.1 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Micro-B USB SlimPort	Not supported
Bluetooth	4.1 + A2DP	5.0 + 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 [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	Supported	Not supported
🧭 Sensors
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Sensors	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	3100 mAh
Charger, watts	18W Wired fast charging Quick Charge 2	15W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	12 hours	18 hours
Standby	315 hours (13.1 days)	feature not registered
➕ Other features
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
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: Grey, White, Gold, Leather Black, Leather Brown, Leather Red • Knock Code • Quick Remote	• Colors: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI
☢️ Radiation rate
	LG G4 (Dual H818N)	Galaxy A40 (SM-A405FM/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.62W/kg (head)	0.49W/kg (head), 1.34W/kg (body)