LG K71 (Q730HA) vs Samsung Galaxy M40 (SM-M405FN/DS)

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Side by side comparison between LG K71 vs Samsung Galaxy M40 phones, differences, pros, cons and full specifications. What's the better?

4/2/2021 7:55 PM, updated: 4/3/2021 7:26 AM

Compare Samsung Galaxy M40 X LG K71 (Q730HA) 09Points

Specifications Compare Models Pictures

6.8"
IPS

1080x2460

48
MP

32mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

12Points Samsung Galaxy M40 (SM-M405FN/DS) Compare LG K71 X

Specifications Compare Models Pictures

6.3"
PLS

1080x2340

32
MP

16mp

6GB
RAM

Octa-core

3500
mAh

(Non removable)

What's the better phone? Samsung Galaxy M40 (SM-M405FN/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 K71 (Q730HA)	vs	12 Advantages Samsung Galaxy M40 (SM-M405FN/DS)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT PLS
+1080x2460 pixels5% Higher resolution screen	vs	1080x2340 pixels
+6.8"8% Larger screen	vs	6.3"
+(triple camera) 48MP + 5MP + 5MP29% Higher resolution main camera	vs	(triple camera) 32MP + 8MP + 5MP
+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies	vs	(front) 16MP
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+4000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3500 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+IP68 certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2.3GHz 64bit Octa-core (12nm)	vs	+2GHz 64bit Octa-core4% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
220 grams (7.7 ounces)	vs	+168 grams (5.88 ounces)31% Lighter
8.7 millimeters (0.34 inches)	vs	+7.9 millimeters (0.31 inches)10% Thinner
395 PPI	vs	+409 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)
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.
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 400 Mbps33% Faster for surfing the internet and download files
Not supported	vs	+CompassAdvantage Sensors help you use the device
10W	vs	+15W50% 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.
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

32 Common items in both devices

128GB (107GB available) / 128GB (105GB available)

eMMC 5.1

Until 1TB microSD, microSDXC

Plastic body, glass front

16 million

LED flash

Only digital zoom

+25 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 K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Change model		Choose the model
Model	K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Other model names	LG K71 LMQ730HA, LM-Q730HA (Single-SIM)	Galaxy M40 SM-M405FN/Dual-Sim (128GB + 6GB RAM)
Country or region available	(Latin America)	(Europe), (Global, International)
Brand	LG	Samsung
Release date	9/21/2020	6/11/2019
Depth	8.7 millimeters (0.34 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	77.7 x 171.4 millimeters (3.06 x 6.75 in)	73.9 x 155.3 millimeters (2.91 x 6.11 in)
Weight	220 grams (7.7 ounces)	168 grams (5.88 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Display type	TFT IPS LCD	TFT PLS
Screen size	6.8" inches	6.3" inches
Screen-to-body ratio	~82.5% (screen-to-body ratio)	~84.9% (screen-to-body ratio)
Display resolution	1080x2460 pixels (20.5:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	409 PPI
Colors	16 million	16 million
Scratch-resistant glass	Cristal Dinorex (NEG)	Gorilla Glass 3
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
System version	Android 10	Android 9.0 Pie
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Chipset	64bit: MediaTek Helio P35 (MT6765) (12nm)	64bit: Qualcomm Snapdragon 675 SDM675 (11nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core)
GPU graphical controller	PowerVR GE8320 MP2 (680MHz)	Qualcomm Adreno 612 845Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
RAM memory	4GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (107GB available) eMMC 5.1	128GB (105GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	400/50 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 Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40) VoLTE	LTE Cat6 (Bands 1, 3, 5, 8, 20) TD-LTE (Bands 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Back camera (main camera)	(triple camera) 48 megapixels 5MP ultrawide f/2.2120°1/5"1.12μm 5MP depth f/2.480.6°1/5"1.12μm	(triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2
Main camera resolution	8000x6000 pixels	6528x4896 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2" inches	feature not registered
Pixel size	0.8µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Front camera (secondary)	32 megapixels	16 megapixels
Front camera resolution	6528x4896 pixels	4608x3456 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	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	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	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Sensors	Accelerometer Ambient light sensor Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Battery type	LiPo: li-ion polymer (Non removable) BL-T48	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	3500 mAh
Charger, watts	10W Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	19 hours	29 hours (1.2 days)
Standby	700 hours (29.2 days)	feature not registered
➕ Other features
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
Call control	Voice dialing, Voice recorder, Voice commands	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: Titan, White • Stylus Pen • DTS:X 3D stereo sound • Google Assistant button • In some cases includes wireless earphones (LG TONE Free)	• Colors: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps
☢️ Radiation rate
	LG K71 (Q730HA)	Galaxy M40 (SM-M405FN/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.74W/kg (head), 1.12W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.274W/kg (head), 1.17W/kg (body)