LG K40 (X420HM) vs Asus Zenfone Max M1 (ZB555KL 16GB)

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Side by side comparison between LG K40 vs Asus Zenfone Max (M1) phones, differences, pros, cons and full specifications. What's the better?

6/27/2019 9:02 PM, updated: 3/16/2020 1:28 PM

Compare Asus Zenfone Max (M1) X LG K40 (X420HM) 11Points

Specifications Compare Models Pictures

5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

08Points Asus Zenfone Max M1 (ZB555KL 16GB) Compare LG K40 X

Specifications Compare Models Pictures

5.45"
IPS

720x1440

13
MP

8mp

2GB
RAM

Quad-core

4000
mAh

(Non removable)

What's the better phone? LG K40 (X420HM)

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!

11 Advantages LG K40 (X420HM)	vs	8 Advantages Asus Zenfone Max M1 (ZB555KL 16GB)
+2GHz 64bit Octa-core (12nm)62% More powerful processor, you can open your applications faster	vs	1.4GHz 64bit Quad-core
+32GB (20GB available)100% More internal storage for applications and files	vs	16GB (10GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	eMCP
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+8.3 millimeters (0.33 inches)5% Thinner	vs	8.7 millimeters (0.34 inches)
+5.7"5% Larger screen	vs	5.45"
+Android 8.1 OreoAdvantage Android 8.1 Oreo is newer and safer	vs	Android 8.0 Oreo
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+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
Plastic body, glass front	vs	+Aluminum body, glass frontAdvantage More resistant material
282 PPI	vs	+295 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 16MP	vs	+(dual camera) 13MP + 8MP30% Higher resolution main camera
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+4000 mAh33% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated 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

28 Common items in both devices

2GB LPDDR3

150 grams (5.25 ounces)

TFT IPS LCD

16 million

720x1440 pixels

LED flash on both cameras

Only digital zoom

+21 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 K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Change model		Choose the model
Model	K40 (X420HM)	Zenfone Max M1 (ZB555KL 16GB)
Other model names	LG K40 LMX420HM, LM-X420HM, LG-LMX420HM	Asus Zenfone Max M1 ZB555KL (dual-camera) quad-core
Country or region available	(Latin America), Colombia	Canada, USA
Brand	LG	Asus
Release date	3/31/2019	10/1/2018
Depth	8.3 millimeters (0.33 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	71.9 x 153 millimeters (2.83 x 6.02 in)	70.9 x 147.3 millimeters (2.79 x 5.8 in)
Weight	150 grams (5.25 ounces)	150 grams (5.25 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front
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 K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.7" inches	5.45" inches
Screen-to-body ratio	~76.2% (screen-to-body ratio)	~73.4% (screen-to-body ratio)
Display resolution	720x1440 pixels	720x1440 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 5-points
Pixel density (dot pitch)	282 PPI	295 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
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
System version	Android 8.1 Oreo	Android 7.0 Nougat
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: Qualcomm Snapdragon 425 MSM8917 (28nm)
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)	Qualcomm Adreno 308 500Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	32GB (20GB available) eMMC 5.1	16GB (10GB available) eMCP
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
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	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 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66)	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28) VoLTE
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+, LTE
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 K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Back camera (main camera)	16 megapixels	(dual camera) 13 megapixels 8MP ultrawide 17mm120°
Main camera resolution	4608x3456 pixels	4128x3096 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/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3" inches	1/3" inches
Pixel size	1µm pixel	1.12µm 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 K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Front camera (secondary)	8 megapixels	8 megapixels
Front camera resolution	3264x2448 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	LED
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	25mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
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.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Sensors	Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4000 mAh
Charger, watts	Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	8 hours	feature not registered
Standby	100 hours (4.2 days)	feature not registered
➕ Other features
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
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, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound	• Colors: Deepsea Black, Sunlight Gold, Ruby Red • ZenUI 5 • 2.5D curved glass display • LED notification
☢️ Radiation rate
	LG K40 (X420HM)	Asus Zenfone Max M1 (ZB555KL 16GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered