LG K42 (K420YMW) vs Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)

Share page: Facebook Twitter WhatsApp Share page:

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

3/7/2021 7:46 PM, updated: 3/7/2021 7:54 PM

Compare Asus Zenfone 4 X LG K42 (K420YMW) 08Points

Specifications Compare Models Pictures

6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

15Points Asus Zenfone 4 (ZE554KL 64GB/4GB NFC) Compare LG K42 X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

12.2
MP

8mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)

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!

8 Advantages LG K42 (K420YMW)	vs	15 Advantages Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+6.6"20% Larger screen	vs	5.5"
+(quad camera) 13MP + 5MP + 2MP + 2MP8% Higher resolution main camera	vs	(dual camera) 12.2MP + 8MP
+Android 10Advantage Android 10 is newer and safer	vs	Android 7.1.1 Nougat
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+4000 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 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)
+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	+2.2GHz 64bit Octa-core9% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
64GB (45GB available)	vs	+64GB (52GB available)16% More internal storage for applications and files
184 grams (6.44 ounces)	vs	+165 grams (5.78 ounces)12% Lighter
8.4 millimeters (0.33 inches)	vs	+7.5 millimeters (0.3 inches)12% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
720x1600 pixels	vs	+1080x1920 pixels80% Higher resolution screen
266 PPI	vs	+401 PPI51% Crisper display of text, images and videos because it has more pixels per inch (ppi)
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	+1/2.55" inches22% 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
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
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

30 Common items in both devices

TFT IPS LCD

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

f/1.8 (aperture)

+23 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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Change model		Choose the model
Model	K42 (K420YMW)	Zenfone 4 (ZE554KL 64GB/4GB NFC)
Other model names	LG K42 LMK420YMW, LM-K420YMW Dual-SIM	Asus Zenfone 4 (NFC version) Snapdragon 630 (4GB RAM)
Country or region available	(Global, International), United Arab Emirates, India, Israel, Taiwan	(Europe), South Africa, China, USA, Hong Kong, Taiwan
Brand	LG	Asus
Release date	9/21/2020	10/1/2017
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)	75.2 x 155.4 millimeters (2.96 x 6.12 in)
Weight	184 grams (6.44 ounces)	165 grams (5.78 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	6.6" inches	5.5" inches
Screen-to-body ratio	~83.1% (screen-to-body ratio)	~71.4% (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	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
System version	Android 10	Android 7.1.1 Nougat
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: Qualcomm Snapdragon 630 SDM630 (14nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	Qualcomm Adreno 508
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
RAM memory	3GB LPDDR4X	4GB LPDDR4X
Internal storage	64GB (45GB available) eMMC 5.1	64GB (52GB 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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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) 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	China version: UMTS 850/900/1900/2100 North America version: UMTS 800/850/900/1700/1900/2100 Taiwan version: UMTS 800/850/900/1800/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 39, 40) VoLTE	LTE Cat12 China version: LTE (Bands 1,2,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) North America version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan version: LTE (Bands 1,2,3,5,7,8,18,19,28) TD-LTE (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+, TD-LTE, 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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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	(dual camera) 12.2 megapixels 8MP 12mm
Main camera resolution	4128x3096 pixels	4032x3024 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/1.8 (aperture)
Focal length	27mm (lens)	25mm (lens)
Sensor size	1/3.1" inches	1/2.55" inches
Pixel size	1.12µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: 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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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	24mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, OGG, eAAC+
🔌 Connectivity
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 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	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D 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 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	3300 mAh
Charger, watts	10W (5V/2A) Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	16 hours	30 hours (1.3 days)
Standby	180 hours (7.5 days)	552 hours (23 days)
➕ Other features
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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, Green, Red • Silicon case included • LG 3D Sound Engine	• Colors: Moonlight white, Mint green, Midnight black • Asus ZenUI 4.0 • 2.5D glass screen • Sony IMX362 back camera sensor • Fast battery charging: 50% in 36min • 24-bit/192kHz audio • DTS surround sound • VoLTE
☢️ Radiation rate
	LG K42 (K420YMW)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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