LG X Fast (Dual K600Y) vs Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)

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

10/18/2017 9:49 PM, updated: 11/15/2020 4:31 PM

Compare Asus Zenfone 4 X LG X Fast (Dual K600Y) 06Points

Specifications Compare Models Pictures

5.5"
IPS

1440x2560

12.2
MP

8mp

3GB
RAM

Hexa-core

3000
mAh

(Removable)

12Points Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) Compare LG X Fast X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

12.2
MP

8mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 4 (ZE554KL 64GB/6GB 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!

6 Advantages LG X Fast (Dual K600Y)	vs	12 Advantages Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
+156 grams (5.46 ounces)6% Lighter	vs	165 grams (5.78 ounces)
+1440x2560 pixels78% Higher resolution screen	vs	1080x1920 pixels
+534 PPI33% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+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)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.8GHz 64bit Hexa-core	vs	+2.2GHz 64bit Octa-core52% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)	vs	+64GB (52GB available)136% More internal storage for applications and files
8.9 millimeters (0.35 inches)	vs	+7.5 millimeters (0.3 inches)19% Thinner
(back) 12.2MP	vs	+(dual camera) 12.2MP + 8MP66% Higher resolution main camera
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
Android 6.0.1 Marshmallow	vs	+Android 7.1.1 NougatAdvantage Android 7.1.1 Nougat is newer and safer
(4G LTE-A) 450 Mbps	vs	+(4G LTE-A) 600 Mbps33% Faster for surfing the internet and download files
3000 mAh	vs	+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

31 Common items in both devices

Until 256GB microSD, microSDXC

TFT IPS LCD

16 million

5.5"

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

+24 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 X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Change model		Choose the model
Model	LG X Fast (Dual K600Y)	Zenfone 4 (ZE554KL 64GB/6GB NFC)
Other model names	LG X mach, LG fast K600Y, LG-K600Y, LGK600Y, LG X5	Asus Zenfone 4 (NFC version) Snapdragon 660 (6GB RAM)
Country or region available	Taiwan	(Europe), South Africa, China, USA, Hong Kong, Taiwan
Brand	LG	Asus
Release date	9/1/2016	10/1/2017
Depth	8.9 millimeters (0.35 inches)	7.5 millimeters (0.3 inches)
Size (width x height)	76.5 x 149.1 millimeters (3.01 x 5.87 in)	75.2 x 155.4 millimeters (2.96 x 6.12 in)
Weight	156 grams (5.46 ounces)	165 grams (5.78 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	5.5" inches
Screen-to-body ratio	~73.1% (screen-to-body ratio)	~71.4% (screen-to-body ratio)
Display resolution	1440x2560 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	534 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 3
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
System version	Android 6.0.1 Marshmallow	Android 7.1.1 Nougat
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Chipset	64bit: Qualcomm Snapdragon 808 MSM8992 (20nm)	64bit: Qualcomm Snapdragon 660 SDM660 (14nm)
CPU	Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A57 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 418	Qualcomm Adreno 512 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (22GB available)	64GB (52GB available)
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB 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	450/50 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 Cat9 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,20,28) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	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, LTE-A	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 X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Back camera (main camera)	12.2 megapixels	(dual camera) 12.2 megapixels 8MP 12mm
Main camera resolution	4032x3024 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	25mm (lens)
Sensor size	feature not registered	1/2.55" inches
Pixel size	1.55µm pixel	1.4µm pixel
Autofocus	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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB 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	feature not registered	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 X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB 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.264, H.263, DivX, XviD, MKV	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, OGG, eAAC+
🔌 Connectivity
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	3300 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	13 hours	30 hours (1.3 days)
Standby	300 hours (12.5 days)	552 hours (23 days)
➕ Other features
	LG X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB 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, White • USB OTG On-The-Go • LG AirDrive, KnockCode • Slow motion • Miracast • WiFi Dual-Band	• 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 X Fast (Dual K600Y)	Asus Zenfone 4 (ZE554KL 64GB/6GB NFC)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.605W/kg (head), 1.1W/kg (body)	feature not registered