Samsung Galaxy J7 Duo (SM-J720M/DS) vs Samsung Z (SM-Z9005)

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Side by side comparison between Samsung Galaxy J7 Duo vs Samsung Z phones, differences, pros, cons and full specifications. What's the better?

10/28/2018 10:53 PM, updated: 6/13/2022 6:34 PM

Compare Samsung Z X Samsung Galaxy J7 Duo (SM-J720M/DS) 18Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

09Points Samsung Z (SM-Z9005) Compare Samsung Galaxy J7 Duo X

Specifications Compare Models Pictures

4.8"
AMOLED

720x1280

8
MP

2.1mp

2GB
RAM

Quad-core

2600
mAh

(Removable)

What's the better phone? Samsung Galaxy J7 Duo (SM-J720M/DS)

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!

18 Advantages Samsung Galaxy J7 Duo (SM-J720M/DS)	vs	9 Advantages Samsung Z (SM-Z9005)
+2.2GHz 64bit Octa-core (14nm)21% More powerful processor, you can open your applications faster	vs	2.3GHz 32bit Quad-core
+3GB LPDDR450% More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+32GB (21GB available)75% More internal storage for applications and files	vs	16GB (12GB available)
+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 64GB microSD, microSDXC
+8.2 millimeters (0.32 inches)4% Thinner	vs	8.5 millimeters (0.33 inches)
+5.5"15% Larger screen	vs	4.8"
+(dual camera) 13MP + 5MP123% Higher resolution main camera	vs	(back) 8MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+EIS: Digital stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	Not supported
+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 8MP3 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2.1MP
+3500000 apps (Google Play Store)2332 times More apps available to download and use	vs	1500 apps
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+3000 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2600 mAh
+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 [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 a/b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.0 + A2DP
174 grams (6.09 ounces)	vs	+136 grams (4.76 ounces)28% Lighter
267 PPI	vs	+306 PPI15% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Not supported	vs	+Heart rateAdvantage Sensors help you use the 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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

23 Common items in both devices

Super AMOLED

16 million

720x1280 pixels

Only digital zoom

Autofocus

Full HD (1920x1080)

(front) Full HD (1920x1080)

+16 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
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Change model		Choose the model
Model	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Other model names	Galaxy J7 Duo J720M/Dual-Sim, Samsung J720	Samsung SM-Z9005 for Indian developers, Samsung Redwood
Country or region available	(Latin America), Brazil	India
Brand	Samsung	Samsung
Release date	4/1/2018	8/1/2014
Depth	8.2 millimeters (0.32 inches)	8.5 millimeters (0.33 inches)
Size (width x height)	77.2 x 153.5 millimeters (3.04 x 6.04 in)	69.8 x 138.2 millimeters (2.75 x 5.44 in)
Weight	174 grams (6.09 ounces)	136 grams (4.76 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Display type	Super AMOLED	Super AMOLED
Screen size	5.5" inches	4.8" inches
Screen-to-body ratio	~70.4% (screen-to-body ratio)	~65.8% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	306 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
System version	Android 8.0 Oreo	Tizen 2.2.1
Firmware update	Android 10	feature not registered
User Interface	One UI 2.0	feature not registered
⚙️ Processor
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Chipset	64bit: Samsung Exynos 7885 (14nm)	32bit: Qualcomm Snapdragon 800 MSM8974AA (28nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)	Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	Qualcomm Adreno 330
Performance (benchmark)	AnTuTu: 98104 (v7)	feature not registered
💽 Memory and storage
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
RAM memory	3GB LPDDR4	2GB LPDDR3
Internal storage	32GB (21GB available) eMMC 5.1	16GB (12GB available)
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	150/50 Mbps	150/50 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 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41)	LTE Cat4 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	Not supported
📷 Camera
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Back camera (main camera)	(dual camera) 13 megapixels 5MP depth f/1.9	8 megapixels
Main camera resolution	4128x3096 pixels	3264x2448 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.9 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	Not supported
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 only main camera	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Front camera (secondary)	8 megapixels	2.1 megapixels
Front camera resolution	3264x2448 pixels	1920x1080 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.9 (aperture)	feature not registered
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
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Micro-B USB MHL
Bluetooth	5.0 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Sensors	Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Hall effect Heart rate Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3000 mAh	2600 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	20 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
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, Gold, Rose Gold, White • Samsung Pay	• Colors: Black, Brown • WiFi hotspot Java framework
☢️ Radiation rate
	Galaxy J7 Duo (SM-J720M/DS)	Samsung Z (SM-Z9005)
SAR 1.6W/kg (USA, Mexico, etc.)	0.97W/kg (head), 0.55W/kg (body)	0.96W/kg (head), 1.33W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.734W/kg (head), 0.304W/kg (body)