Asus Zenfone 4 (ZE554KL 64GB/4GB) vs Xiaomi Mi 6X (32GB)

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Side by side comparison between Asus Zenfone 4 vs Xiaomi Mi 6X phones, differences, pros, cons and full specifications. What's the better?

8/14/2018 5:58 AM, updated: 11/14/2021 11:07 AM

Compare Xiaomi Mi 6X X Asus Zenfone 4 (ZE554KL 64GB/4GB) 08Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

12.2
MP

8mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

11Points Xiaomi Mi 6X (32GB) Compare Asus Zenfone 4 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 6X (32GB)

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 Asus Zenfone 4 (ZE554KL 64GB/4GB)	vs	11 Advantages Xiaomi Mi 6X (32GB)
+64GB (52GB available)136% More internal storage for applications and files	vs	32GB (22GB available)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+165 grams (5.78 ounces)2% Lighter	vs	168 grams (5.88 ounces)
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+1/2.55" inches14% The larger sensor camera lets you take photos with better depth.	vs	1/2.9" inches
+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
7.5 millimeters (0.3 inches)	vs	+7.3 millimeters (0.29 inches)3% Thinner
1080x1920 pixels	vs	+1080x2160 pixels13% Higher resolution screen
401 PPI	vs	+403 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+5.99"9% Larger screen
(dual camera) 12.2MP + 8MP	vs	+(dual camera) 12MP + 20MP58% Higher resolution main camera
LED flash	vs	+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light
(front) 8MP	vs	+(front) 20MP150% Higher resolution secondary camera to take pictures and selfies
Android 7.1.1 Nougat	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage 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.

32 Common items in both devices

2.2GHz 64bit Octa-core

4GB LPDDR4 / 4GB LPDDR4X

Aluminum frame, glass front/back / Aluminum body, glass front

TFT IPS LCD / LTPS IPS LCD

16 million

Only digital zoom

PDAF: phase detection autofocus

+25 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
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Change model		Choose the model
Model	Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Other model names	Asus Zenfone 4 (NFC not available) Snapdragon 630 (4GB RAM)	小米6X, Xiaomi Mi 6X M1804D2SE, M1804D2SC, Xiaomi Wayne
Country or region available	(Latin America), (Global, International), Brazil, India, Indonesia	China, Hong Kong
Brand	Asus	Xiaomi
Release date	10/1/2017	6/1/2018
Depth	7.5 millimeters (0.3 inches)	7.3 millimeters (0.29 inches)
Size (width x height)	75.2 x 155.4 millimeters (2.96 x 6.12 in)	75.4 x 158.7 millimeters (2.97 x 6.25 in)
Weight	165 grams (5.78 ounces)	168 grams (5.88 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Display type	TFT IPS LCD	LTPS IPS LCD
Screen size	5.5" inches	5.99" inches
Screen-to-body ratio	~71.4% (screen-to-body ratio)	~77.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2160 pixels (18:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
System version	Android 7.1.1 Nougat	Android 8.1 Oreo
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Chipset	64bit: Qualcomm Snapdragon 630 SDM630 (14nm)	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz 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 508	Qualcomm Adreno 512 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
RAM memory	4GB LPDDR4	4GB LPDDR4X
Internal storage	64GB (52GB available)	32GB (22GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	Brazil version: UMTS 800/850/900/1700/1900/2100 Global/India/Indonesia version: UMTS 850/900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Global/India/Indonesia version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40)	LTE Cat12 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Back camera (main camera)	(dual camera) 12.2 megapixels 8MP 12mm	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm
Main camera resolution	4032x3024 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED on main camera and LED on front camera
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	25mm (lens)	feature not registered
Sensor size	1/2.55" inches	1/2.9" inches
Pixel size	1.4µm pixel	1.25µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital 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
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Front camera (secondary)	8 megapixels	20 megapixels
Front camera resolution	3264x2448 pixels	5164x3872 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	3000 mAh
Charger, watts	10W (5V/2A) Wired charging	18W Wired fast charging Quick Charge 3
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	30 hours (1.3 days)	feature not registered
Standby	552 hours (23 days)	feature not registered
➕ Other features
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
Call control	Voice dialing, Voice recorder	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: 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	• Colors: Black, Gold, Blue, Red, Rose Gold • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display
☢️ Radiation rate
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Xiaomi Mi 6X (32GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.96W/kg (head), 0.64W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.16W/kg (head), 0.66W/kg (body)