Asus Zenfone Zoom (ZX551ML 128GB) vs Xiaomi Mi 9 Explorer

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Xiaomi Mi 9 Explorer phones, differences, pros, cons and full specifications. What's the better?

3/8/2019 8:43 PM, updated: 5/12/2020 9:07 PM

Compare Xiaomi Mi 9 Explorer X Asus Zenfone Zoom (ZX551ML 128GB) 04Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

26Points Xiaomi Mi 9 Explorer Compare Asus Zenfone Zoom (ZX551ML) X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

12GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 Explorer

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!

4 Advantages Asus Zenfone Zoom (ZX551ML 128GB)	vs	26 Advantages Xiaomi Mi 9 Explorer
+Until 128GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+Aluminum frame, glass front, leather backAdvantage More resistant material	vs	Aluminum frame, glass front/back
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+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
2.5GHz 64bit Quad-core	vs	+2.84GHz 64bit Octa-core (7nm)34% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+12GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
128GB (122GB available)	vs	+256GB (237GB available)94% More internal storage for applications and files
185 grams (6.48 ounces)	vs	+173 grams (6.06 ounces)7% Lighter
12 millimeters (0.47 inches)	vs	+7.61 millimeters (0.3 inches)58% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2340 pixels22% 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	+6.39"16% Larger screen
(back) 13MP	vs	+(triple camera) 48MP + 16MP + 12MP5 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.7 (aperture)	vs	+f/1.5 (aperture)80% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 20MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 6.0 Marshmallow	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 1024 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
3000 mAh	vs	+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+27W50% 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.
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

22 Common items in both devices

16 million

Dual-LED flash

Digital and optical zoom

LDAF: laser detection autofocus / LDAF/PDAF: laser/phase detection autofocus

4G LTE / 4G LTE-A

Capacitive

Multitouch

+15 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 Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Change model
Model	Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	Xiaomi Mi 9 Transparent edition 12GB RAM M1902F1A, 小米9 透明尊享版
Country or region available	(Latin America), (Europe)	China, (Global, International)
Brand	Asus	Xiaomi
Release date	12/1/2015	3/1/2019
Depth	12 millimeters (0.47 inches)	7.61 millimeters (0.3 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight	185 grams (6.48 ounces)	173 grams (6.06 ounces)
Build, materials	Aluminum frame, glass front, leather back	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	6.39" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~85.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 6
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
System version	Android 5.0.2 Lollipop	Android 9.0 Pie
Firmware update	Android 6.0 Marshmallow	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Chipset	64bit: Intel Atom Z3590 (22nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	PowerVR G6430 MP4	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
RAM memory	4GB LPDDR3	12GB LPDDR4X
Internal storage	128GB (122GB available)	256GB (237GB available) UFS 2.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	1024/150 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	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	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	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Back camera (main camera)	13 megapixels	(triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.7 (aperture)	f/1.5 (aperture)
Focal length	28mm (lens)	feature not registered
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	LDAF: laser detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Digital and optical 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
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Front camera (secondary)	5 megapixels	20 megapixels
Front camera resolution	2560x1920 pixels	5184x3840 pixels
Video recording (secondary)	HD (1280x720)	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	0.9µm pixel
🔉 Sound and multimedia
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	Not supported	Not supported
Bluetooth	4.0 + 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	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	3300 mAh
Charger, watts	18W Wired fast charging	27W Wired fast charging
Inductive / wireless charging	feature not registered	Qi wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
Call control	Voice dialing, Voice recorder	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: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage	• Colors: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 128GB)	Xiaomi Mi 9 Explorer
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