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LG K42 (K420EMW) vs Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)

Side by side comparison between LG K42 vs Asus Zenfone 3 Deluxe phones, differences, pros, cons with full specifications. What's the better?

,
LG K42 (K420EMW)
6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
18PointsAsus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)Compare LG K42 X
Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
5.7"
AMOLED

1080x1920

23
MP

8mp

6GB
RAM

64bit Quad

3000
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)

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!

K42 (K420EMW)10 Advantages LG K42 (K420EMW)vsZenfone 3 Deluxe (5.7 ZS570KL 256GB)18 Advantages Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+184 grams (6.44 ounces)4%
Lighter
vs192 grams (6.72 ounces)
+6.6"16%
Larger screen
vs5.7"
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.0 Oreo
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
More SIM card slots. You can choose more carriers.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2Ghz 64bit Octa-Corevs+2.35Ghz 64bit Quad-Core1%
More powerful processor, you can open your applications faster
3GB LPDDR4Xvs+6GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
64GB (45GB available)vs+256GB (246GB available)4 times
More internal storage for applications and files
8.4 millimeters (0.33 inches)vs+7.5 millimeters (0.3 inches)12%
Thinner
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1600 pixelsvs+1080x1920 pixels80%
Higher resolution screen
266 PPIvs+386 PPI45%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 13MP + 5MP + 2MP + 2MPvs+(back) 23MP5%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
1/3.1" inchesvs+1/2.6" inches19%
The larger sensor camera lets you take photos with better depth.
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(4G LTE) 150 Mbpsvs+(4G+ LTE-A) 600 Mbps3 times
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
10Wvs+18W80%
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.
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)Advantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) is newer and faster
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.1 Type-C reversible connectorAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys

23 Common items in both devices
16 million
Only digital zoom
PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus
HDR photo on both cameras
(front) 8MP
(front) Full HD (1920x1080)
4G LTE / 4G+ LTE-A
+16 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
ModelK42 (K420EMW)Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Other model namesLG K42 LMK420EMW, LM-K420EMW Dual-SIM NFCAsus Zenfone 3 Deluxe ZS570KL 6GB/256GB 5.7", Asus Taurus
Country or region available(Europe)
(Europe)
(Global, International)BrazilCanadaUSA(Europe)
(Global, International), Brazil, Canada, USA, (Europe)
BrandLGAsus
Release dateSeptember, 2020August, 2016
Depth8.4 millimeters (0.33 inches)7.5 millimeters (0.3 inches)
Size (width x height)76.7 x 165 millimeters (3.02 x 6.5 in)77.4 x 156.4 millimeters (3.05 x 6.16 in)
Weight184 grams (6.44 ounces)192 grams (6.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported
System (OS)LG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Operating systemAndroid 10Android 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 8.0 Oreo
HardwareLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Chipset64bit - MediaTek MT6762 Helio P22 (12nm)64bit - Qualcomm Snapdragon 821 MSM8996AC Pro (14nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
Quad-Core, 2 processors:
2.35Ghz Dual-Core Kryo
2.2Ghz Dual-Core Kryo
GPU graphical controllerPowerVR GE8320 650MhzQualcomm Adreno 530 650Mhz
RAM memory3GB LPDDR4X6GB LPDDR4
Internal storage64GB (45GB available)
eMMC 5.1
256GB (246GB available)
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplayLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.6" inches5.7" inches
Screen-to-body ratio~83.1% (screen-to-body ratio)~74% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)266 PPI386 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 4
Display features60Hzfeature not registered
Mobile networksLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum download/upload150/50 Mbps600/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 850/900/1900/2100UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (1, 3, 7, 8, 20, 28)
TD-LTE (38)
VoLTE
LTE Cat12
LTE 700/800/850/900/1700/1800/1900/2100/2300/2600 (Bands 1,2,3,4,5,7,8,12,17,18,19,20,26,28,29,30)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
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
CallingLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Back camera (main camera)(quad camera)
13 megapixels
5MP ultrawidef/2.2115º1/5.0"1.12µm
2MP macrof/2.41.75μm
2MP depthf/2.41.75μm
23 megapixels
Main camera resolution4128x3096 pixels5520x4140 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length27mm lensfeature not registered
Sensor size1/3.1" inches1/2.6" inches
Pixel size1.12µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS (4-axis): Optical 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
2ª cameraLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Front camera (secondary)8 megapixels8 megapixels
Front camera resolution3264x2448 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
MultimediaLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC
ConnectivityLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.1 Type-C reversible connector
TV outputUSB Type-C (reversible)Not supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedSupported
Other functionsLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Face unlock
Fingerprint sensor (side-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor
Hall effect
Other features- Colors: Titan, Green, Red
- Silicon case included
- LG 3D Sound Engine
- WiFi direct, hotspot
- Colors: Glacier Silver, Titanium Gray, Shimmer Gold
- USB OTG On-The-Go
- Asus ZenUI 3.0
- Sony IMX318 sensor camera
- Quick Charge 3.0
- Fast battery charging: 60% in 40min
- WiFi direct, hotspot
Power supplyLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity4000 mAh3000 mAh
Charger, watts10W (5V/2A) Standard charging18W (9V/2A) Fast battery charging
Talk time autonomy960 minutes | 16 hours | 0.7 dayfeature not registered
Standby10800 minutes | 180 hours | 7.5 daysfeature not registered
Radiation rateLG K42 (K420EMW)Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
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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