Asus Zenfone Zoom (ZX551ML 32GB) vs Asus Zenfone 7 (ZS670KS 128GB/8GB)

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Asus Zenfone 7 phones, differences, pros, cons and full specifications. What's the better?

10/16/2021 10:36 AM, updated: 5/17/2022 5:35 AM

Compare Asus Zenfone 7 X Asus Zenfone Zoom (ZX551ML 32GB) 05Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

25Points Asus Zenfone 7 (ZS670KS 128GB/8GB) Compare Asus Zenfone Zoom (ZX551ML) X

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

64mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/8GB)

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!

5 Advantages Asus Zenfone Zoom (ZX551ML 32GB)	vs	25 Advantages Asus Zenfone 7 (ZS670KS 128GB/8GB)
+185 grams (6.48 ounces)27% Lighter	vs	235 grams (8.23 ounces)
+Aluminum frame, glass front, leather backAdvantage More resistant material	vs	Aluminum frame, glass front/back
+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+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	+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
32GB (26GB available)	vs	+128GB (104GB available)3 times More internal storage for applications and files
Until 128GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC7 times More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+9.6 millimeters (0.38 inches)25% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.5"	vs	+6.67"21% Larger screen
(back) 13MP	vs	+(triple camera) 64MP + 12MP + 8MP6 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.7 (aperture)	vs	+f/1.8 (aperture)50% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(triple front camera) 64MP + 12MP + 8MP16 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) 8K UHD (7680x4320)35 times More image quality for recording videos with the secondary camera
Android 6.0 Marshmallow	vs	+Android 12Advantage Android 12 is newer and safer
4G LTE	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+30W67% 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) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.0 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + 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.

17 Common items in both devices

16 million

Dual-LED flash

Digital and optical zoom

LDAF: laser detection autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

+10 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 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Change model		Choose the model
Model	Zenfone Zoom (ZX551ML 32GB)	Zenfone 7 (ZS670KS 128GB/8GB)
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (8GB RAM)
Country or region available	(Latin America), (Europe)	(Global, International)
Brand	Asus	Asus
Release date	12/1/2015	9/1/2020, Announced: 8/26/2020
Depth	12 millimeters (0.47 inches)	9.6 millimeters (0.38 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	77.3 x 165.1 millimeters (3.04 x 6.5 in)
Weight	185 grams (6.48 ounces)	235 grams (8.23 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 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	6.67" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~84.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 6
Refresh rate	feature not registered	90Hz
Display features	feature not registered	700nits[peak] HDR10+
🤖 Operating System
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
System version	Android 5.0.2 Lollipop	Android 10
Firmware update	Android 6.0 Marshmallow	Android 12
User Interface	feature not registered	ZenUI 8
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Chipset	64bit: Intel Atom Z3590 (22nm)	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controller	PowerVR G6430 MP4	Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
RAM memory	4GB LPDDR3	8GB LPDDR5
Internal storage	32GB (26GB available)	128GB (104GB available) UFS 3.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 800/850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Back camera (main camera)	13 megapixels	(triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom
Main camera resolution	4128x3096 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	8K UHD (7680x4320) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.7 (aperture)	f/1.8 (aperture)
Focal length	28mm lens	26mm lens
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	LDAF: laser detection autofocus	PDAF: 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	Supported
HDR	HDR photo only main camera	HDR photo/video on both cameras
Camera extras	feature not registered	4K@120fps 1080p@240fps 720p@480fps
📸 Front camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Front camera (secondary)	5 megapixels	Uses the back motorized camera (flip-up/rotating)
Front camera resolution	2560x1920 pixels	10120x6328 pixels
Video recording (secondary)	HD (1280x720)	8K UHD (7680x4320)
Front flash	Not supported	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Loudspeaker	Supported	Stereo sound 24-bit/192kHz
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 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
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	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	5.1 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	18W Wired fast charging	30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
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: Aurora Black, Pastel White • Silicon case included
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus Zenfone 7 (ZS670KS 128GB/8GB)
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