Asus Zenfone Zoom (ZX551ML 128GB) vs Samsung Galaxy A7 2017 (SM-A720F)

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Samsung Galaxy A7 (2017) phones, differences, pros, cons and full specifications. What's the better?

2/19/2017 9:40 PM, updated: 5/12/2020 9:07 PM

Compare Samsung Galaxy A7 (2017) X Asus Zenfone Zoom (ZX551ML 128GB) 08Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

17Points Samsung Galaxy A7 2017 (SM-A720F) Compare Asus Zenfone Zoom (ZX551ML) X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

16
MP

16mp

3GB
RAM

Octa-core

3600
mAh

(Non removable)

What's the better phone? Samsung Galaxy A7 2017 (SM-A720F)

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 Zoom (ZX551ML 128GB)	vs	17 Advantages Samsung Galaxy A7 2017 (SM-A720F)
+2.5GHz 64bit Quad-core5% More powerful processor, you can open your applications faster	vs	1.9GHz 64bit Octa-core
+4GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4
+128GB (122GB available)5 times More internal storage for applications and files	vs	32GB (22GB available)
+185 grams (6.48 ounces)1% Lighter	vs	186 grams (6.51 ounces)
+401 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	386 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
Until 128GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC100% More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+7.9 millimeters (0.31 inches)52% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
5.5"	vs	+5.7"4% Larger screen
(back) 13MP	vs	+(back) 16MP25% Higher resolution main camera
f/2.7 (aperture)	vs	+f/1.9 (aperture)42% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies
(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 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensorAdvantage Sensors help you use the device
3000 mAh	vs	+3600 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.0 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP 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.
Not supported	vs	+Waterproof (IP?)Advantage Protection against water allows you talk to your friends in the rain, for example

21 Common items in both devices

16 million

1080x1920 pixels

LDAF: laser detection autofocus / Autofocus

HDR photo only main camera

Full HD (1920x1080)

4G LTE / 4G LTE-A

Capacitive

+14 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)	Galaxy A7 2017 (SM-A720F)
Change model		Choose the model
Model	Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	Samsung Galaxy A7 SM-A720F Single-Sim
Country or region available	(Latin America), (Europe)	(Global, International), Algeria, Australia, Israel, Turkey
Brand	Asus	Samsung
Release date	12/1/2015	1/13/2017
Depth	12 millimeters (0.47 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	77.6 x 156.8 millimeters (3.06 x 6.17 in)
Weight	185 grams (6.48 ounces)	186 grams (6.51 ounces)
Build, materials	Aluminum frame, glass front, leather back	feature not registered
Protection against water and others	Not supported	Waterproof (IP?)
📲 Display
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	5.7" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~73.6% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 3
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
System version	Android 5.0.2 Lollipop	Android 6.0.1 Marshmallow
Firmware update	Android 6.0 Marshmallow	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Chipset	64bit: Intel Atom Z3590 (22nm)	64bit: Samsung Exynos 7 Octa 7880 (14nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Octa-core, 1 processor: 8x 1.9GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	PowerVR G6430 MP4	ARM Mali-T830 MP3
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
RAM memory	4GB LPDDR3	3GB LPDDR4
Internal storage	128GB (122GB available)	32GB (22GB available)
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	300/50 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	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20,28) TD-LTE 2300/2500/2600 (Bands 38,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not supported
📷 Camera
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Back camera (main camera)	13 megapixels	16 megapixels
Main camera resolution	4128x3096 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.7 (aperture)	f/1.9 (aperture)
Focal length	28mm lens	27mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	LDAF: laser detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical 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 only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Front camera (secondary)	5 megapixels	16 megapixels
Front camera resolution	2560x1920 pixels	4608x3456 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, WMV
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	4.2 + A2DP
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	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh	3600 mAh
Charger, watts	18W Wired fast charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	23 hours
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
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: 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: Black, Gold, Blue, Pink • Metal body • Gorilla Glass on the back • Samsung Grace UX • Fast battery charging • ANT+ • IP68 certified: dust proof and water resistant over 1.5meter and 30min
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 128GB)	Galaxy A7 2017 (SM-A720F)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.21W/kg (head), 1.33W/kg (body)