Asus Zenfone 7 (ZS670KS 128GB/6GB) vs Asus Zenfone Zoom (ZX551ML 32GB)

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

10/16/2021 10:43 AM, updated: 5/17/2022 5:35 AM

Compare Asus Zenfone Zoom (ZX551ML) X Asus Zenfone 7 (ZS670KS 128GB/6GB) 25Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

64mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

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

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/6GB)

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!

25 Advantages Asus Zenfone 7 (ZS670KS 128GB/6GB)	vs	5 Advantages Asus Zenfone Zoom (ZX551ML 32GB)
+2.84GHz 64bit Octa-core (7nm)34% More powerful processor, you can open your applications faster	vs	2.5GHz 64bit Quad-core
+6GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR3
+128GB (104GB available)3 times More internal storage for applications and files	vs	32GB (26GB available)
+Until 1TB microSD, microSDXC7 times More external storage for files using memory cards	vs	Until 128GB microSD, microSDXC
+9.6 millimeters (0.38 inches)25% Thinner	vs	12 millimeters (0.47 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2400 pixels25% Higher resolution screen	vs	1080x1920 pixels
+6.67"21% Larger screen	vs	5.5"
+(triple camera) 64MP + 12MP + 8MP6 times Higher resolution main camera	vs	(back) 13MP
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)50% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.7 (aperture)
+(triple front camera) 64MP + 12MP + 8MP16 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 8K UHD (7680x4320)35 times More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 12Advantage Android 12 is newer and safer	vs	Android 6.0 Marshmallow
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+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.	vs	18W
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
235 grams (8.23 ounces)	vs	+185 grams (6.48 ounces)27% Lighter
Aluminum frame, glass front/back	vs	+Aluminum frame, glass front, leather backAdvantage More resistant material
395 PPI	vs	+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores

17 Common items in both devices

16 million

Dual-LED flash

Digital and optical zoom

PDAF: phase detection autofocus / LDAF: laser 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 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Change model		Choose the model
Model	Zenfone 7 (ZS670KS 128GB/6GB)	Zenfone Zoom (ZX551ML 32GB)
Other model names	Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM)	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML
Country or region available	(Global, International)	(Latin America), (Europe)
Brand	Asus	Asus
Release date	9/1/2020, Announced: 8/26/2020	12/1/2015
Depth	9.6 millimeters (0.38 inches)	12 millimeters (0.47 inches)
Size (width x height)	77.3 x 165.1 millimeters (3.04 x 6.5 in)	78.8 x 158.9 millimeters (3.1 x 6.26 in)
Weight	235 grams (8.23 ounces)	185 grams (6.48 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front, leather back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.67" inches	5.5" inches
Screen-to-body ratio	~84.2% (screen-to-body ratio)	~66.6% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass 4
Refresh rate	90Hz	feature not registered
Display features	700nits[peak] HDR10+	feature not registered
🤖 Operating System
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
System version	Android 10	Android 5.0.2 Lollipop
Firmware update	Android 12	Android 6.0 Marshmallow
User Interface	ZenUI 8	feature not registered
⚙️ Processor
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Chipset	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)	64bit: Intel Atom Z3590 (22nm)
CPU	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)	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (250-587MHz)	PowerVR G6430 MP4
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
RAM memory	6GB LPDDR5	4GB LPDDR3
Internal storage	128GB (104GB available) UFS 3.1	32GB (26GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 128GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G, 5G	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 800/850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 800/850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	Not supported
📷 Camera
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Back camera (main camera)	(triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom	13 megapixels
Main camera resolution	10120x6328 pixels	4128x3096 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.7 (aperture)
Focal length	26mm lens	28mm lens
Sensor size	1/1.72" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	LDAF: laser detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo only main camera
Camera extras	4K@120fps 1080p@240fps 720p@480fps	feature not registered
📸 Front camera
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Front camera (secondary)	Uses the back motorized camera (flip-up/rotating)	5 megapixels
Front camera resolution	10120x6328 pixels	2560x1920 pixels
Video recording (secondary)	8K UHD (7680x4320)	HD (1280x720)
Front flash	Dual-LED flash	Not supported
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/1.72" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Loudspeaker	Stereo sound 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+
🔌 Connectivity
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.1 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	3000 mAh
Charger, watts	30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	18W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
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: Aurora Black, Pastel White • Silicon case included	• 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
☢️ Radiation rate
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone Zoom (ZX551ML 32GB)
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