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

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

3/7/2021 5:02 PM, updated: 3/7/2021 7:37 PM

Compare Asus Zenfone 3 Deluxe X LG K42 (K420EMW) 10Points

Specifications Compare Models Pictures

6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

18Points Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB) Compare LG K42 X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

23
MP

8mp

6GB
RAM

Quad-core

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!

10 Advantages LG K42 (K420EMW)	vs	18 Advantages Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+184 grams (6.44 ounces)4% Lighter	vs	192 grams (6.72 ounces)
+6.6"16% Larger screen	vs	5.7"
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+Android 10Advantage Android 10 is newer and safer	vs	Android 8.0 Oreo
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+4000 mAh33% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+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
2GHz 64bit Octa-core (12nm)	vs	+2.35GHz 64bit Quad-core1% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+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 LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1600 pixels	vs	+1080x1920 pixels80% Higher resolution screen
266 PPI	vs	+386 PPI45% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 13MP + 5MP + 2MP + 2MP	vs	+(back) 23MP5% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/3.1" inches	vs	+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 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
10W	vs	+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 [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 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

+12 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 K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Change model		Choose the model
Model	K42 (K420EMW)	Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Other model names	LG K42 LMK420EMW, LM-K420EMW Dual-SIM NFC	Asus Zenfone 3 Deluxe ZS570KL 6GB/256GB 5.7", Asus Taurus
Country or region available	(Europe)	(Global, International), Brazil, Canada, USA, (Europe)
Brand	LG	Asus
Release date	9/21/2020	8/1/2016
Depth	8.4 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)
Weight	184 grams (6.44 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front	feature not registered
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 K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.6" inches	5.7" inches
Screen-to-body ratio	~83.1% (screen-to-body ratio)	~74% (screen-to-body ratio)
Display resolution	720x1600 pixels (20:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	266 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
System version	Android 10	Android 6.0.1 Marshmallow
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: Qualcomm Snapdragon 821 MSM8996AC Pro (14nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 2.2GHz Kryo (Dual-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	Qualcomm Adreno 530 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
RAM memory	3GB LPDDR4X	6GB LPDDR4
Internal storage	64GB (45GB available) eMMC 5.1	256GB (246GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Dual-SIM	Dual-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 card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	150/50 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	UMTS 850/900/1900/2100	UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE 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 network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Back camera (main camera)	(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	23 megapixels
Main camera resolution	4128x3096 pixels	5520x4140 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	27mm lens	feature not registered
Sensor size	1/3.1" inches	1/2.6" inches
Pixel size	1.12µm pixel	1.12µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical 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 K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
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	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	3000 mAh
Charger, watts	10W (5V/2A) Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	16 hours	feature not registered
Standby	180 hours (7.5 days)	feature not registered
➕ Other features
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
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, Green, Red • Silicon case included • LG 3D Sound Engine	• 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
☢️ Radiation rate
	LG K42 (K420EMW)	Asus Zenfone 3 Deluxe (5.7 ZS570KL 256GB)
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