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Asus Zenfone 4 Max Pro (ZC554KL) vs LG K42 (K420HMW)

Side by side comparison between Asus Zenfone 4 Max Pro vs LG K42 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K42 X Asus Zenfone 4 Max Pro (ZC554KL) 08Points
5.5"
IPS

720x1280

16
MP

16mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? LG K42 (K420HMW)

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!

Zenfone 4 Max Pro (ZC554KL)} 8 Advantages Asus Zenfone 4 Max Pro (ZC554KL) vs K42 (K420HMW)} 14 Advantages LG K42 (K420HMW)
+181 grams (6.34 ounces)2%
Lighter
vs184 grams (6.44 ounces)
+267 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs266 PPI
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsLED flash
+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.4GHz 64bit Octa-corevs+2GHz 64bit Octa-core (12nm)47%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+3GB LPDDR4XAdvantage
This RAM type is better and more efficient.
32GB (22GB available)vs+64GB (45GB available)105%
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
8.9 millimeters (0.35 inches)vs+8.4 millimeters (0.33 inches)6%
Thinner
720x1280 pixelsvs+720x1600 pixels25%
Higher resolution screen
5.5"vs+6.6"20%
Larger screen
(dual camera) 16MP + 5MPvs+(quad camera) 13MP + 5MP + 2MP + 2MP4%
Higher resolution main camera
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 7.0 Nougatvs+Android 10Advantage
Android 10 is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
4.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+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
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
Full HD (1920x1080)
+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 Clear highlight

📱 Model features

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Change model 
ModelZenfone 4 Max Pro (ZC554KL)K42 (K420HMW)
Other model namesAsus Zenfone 4 Max Pro Octa-Core 16MP 5,5" (32GB + 3GB RAM)LG K42 LMK420HMW, LM-K420HMW Dual-SIM
Country or region availablePhilippinesHong KongIndonesiaMalaysiaSingaporeThailandVietnam
Philippines, Hong Kong, Indonesia, Malaysia, Singapore, Thailand, Vietnam
(Latin America)ColombiaCosta RicaGuatemalaHondurasNicaraguaPanama
(Latin America), Colombia, Costa Rica, Guatemala, Honduras, Nicaragua, Panama
BrandAsusLG
Release date9/11/20179/21/2020
Depth8.9 millimeters (0.35 inches)8.4 millimeters (0.33 inches)
Size (width x height)76.9 x 154 millimeters (3.03 x 6.06 in)76.7 x 165 millimeters (3.02 x 6.5 in)
Weight181 grams (6.34 ounces)184 grams (6.44 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.5" inches6.6" inches
Screen-to-body ratio~70.4% (screen-to-body ratio)~83.1% (screen-to-body ratio)
Display resolution720x1280 pixels720x1600 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)267 PPI266 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Not supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
System versionAndroid 7.0 NougatAndroid 10
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Chipset64bit: Qualcomm Snapdragon 430 MSM8937 (28nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 2 processors:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
4x 1.1GHz 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 controllerQualcomm Adreno 505 450MhzPowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
RAM memory3GB LPDDR33GB LPDDR4X
Internal storage32GB (22GB available)64GB (45GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 800/850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (Bands 1,2,3,4,5,7,8,12,17,18,19,26,28)
TD-LTE (Bands 38, 41)
LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Back camera (main camera)(dual camera)
16 megapixels
5MP 12mm120°
(quad camera)
13 megapixels
5MP ultrawide f/2.2115°1/5.0"1.12µm
2MP macro f/2.41.75μm
2MP depth f/2.41.75μm
Main camera resolution4608x3456 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flash on both camerasLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lens27mm lens
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Front camera (secondary)16 megapixels8 megapixels
Front camera resolution4608x3456 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, OGG, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, wattsWired charging10W (5V/2A) Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy40 hours (1.7 days)16 hours
Standby1104 hours (46 days)180 hours (7.5 days)

➕ Other features

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Gray, Rose Pink, Gold, Black
• USB OTG On-The-Go
• 2.5D glass screen
• ASUS ZenUI 4.0
• PixelMaster 4.0
• Fast battery charging 5V/2A=10W
• Colors: Titan, Green, Red
• Silicon case included
• LG 3D Sound Engine

☢️ Radiation rate

Asus Zenfone 4 Max Pro (ZC554KL)LG K42 (K420HMW)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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