Apple iPhone 3GS (32GB) vs Samsung Galaxy J7 Duo (SM-J720M/DS)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Apple iPhone 3GS vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?

10/28/2018 10:53 PM, updated: 6/19/2025 2:19 PM

Compare Samsung Galaxy J7 Duo X Apple iPhone 3GS (32GB) 04Points

Specifications Compare Models Pictures

3.5"
TFT

320x480

3.1
MP

256MB
RAM

Single-core

1219
mAh

(Non removable)

30Points Samsung Galaxy J7 Duo (SM-J720M/DS) Compare Apple iPhone 3GS X

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
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!

4 Advantages Apple iPhone 3GS (32GB)	vs	30 Advantages Samsung Galaxy J7 Duo (SM-J720M/DS)
+32GB (28GB available)33% More internal storage for applications and files	vs	32GB (21GB available)
+135 grams (4.73 ounces)29% Lighter	vs	174 grams (6.09 ounces)
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
600MHz 32bit Single-core	vs	+2.2GHz 64bit Octa-core (14nm)5 times More powerful processor, you can open your applications faster
256MB SDRAM	vs	+3GB LPDDR411 times More RAM memory. Typically more responsive and better for multitasking.
Flash (EEPROM)	vs	+eMMC 5.1Advantage Fastest write and read storage.
Not supported	vs	+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards
12.3 millimeters (0.48 inches)	vs	+8.2 millimeters (0.32 inches)50% Thinner
TFT LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
320x480 pixels	vs	+720x1280 pixels5 times Higher resolution screen
165 PPI	vs	+267 PPI62% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"	vs	+5.5"57% Larger screen
(back) 3.1MP	vs	+(dual camera) 13MP + 5MP5 times Higher resolution main camera
Not supported	vs	+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light
Not supported	vs	+Only digital zoomAdvantage The zoom allows for better focus and approach to take pictures
Not supported	vs	+EIS: Digital stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas
Not supported	vs	+(front) 8MPAdvantage A front-camera is best for taking selfies
VGA (640x480)	vs	+Full HD (1920x1080)6 times More image quality for recording videos with the primary camera
2300000 apps (App Store)	vs	+3500000 apps (Google Play Store)52% More apps available to download and use
3G HSDPA	vs	+4G LTEAdvantage The 4G LTE network is newer and faster
(3G HSDPA) 7.2 Mbps	vs	+(4G LTE) 150 Mbps20 times Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (front-mounted)Advantage Sensors help you use the device
1219 mAh	vs	+3000 mAh146% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+Video callingAdvantage The video calling allows to make calls with voice and video
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
802.11 b/g [wifi3]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
HTML, XHTML	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

14 Common items in both devices

Plastic body, glass front

60Hz

16 million

Autofocus

Capacitive

Multitouch

Accelerometer

+7 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
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Change model		Choose the model
Model	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Other model names	Apple iPhone 3GS	Galaxy J7 Duo J720M/Dual-Sim, Samsung J720
Country or region available	(Global, International)	(Latin America), Brazil
Brand	Apple	Samsung
Release date	6/19/2009, Announced: 4/13/2012	4/1/2018
Depth	12.3 millimeters (0.48 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	62.1 x 115.5 millimeters (2.44 x 4.55 in)	77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight	135 grams (4.73 ounces)	174 grams (6.09 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Display type	TFT LCD	Super AMOLED
Screen size	3.5" inches	5.5" inches
Screen-to-body ratio	~50.9% (screen-to-body ratio)	~70.4% (screen-to-body ratio)
Display resolution	320x480 pixels (3:2)	720x1280 pixels (16:9)
Touchscreen	Capacitive Multitouch 5-points	Capacitive Multitouch
Pixel density (dot pitch)	165 PPI	267 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
System version	iOS 3.0	Android 8.0 Oreo
Firmware update	iOS 6.0	Android 10
User Interface	feature not registered	One UI 2.0
⚙️ Processor
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Chipset	32bit: Samsung S5PC100	64bit: Samsung Exynos 7885 (14nm)
CPU	Single-core, 1 processor: 1x 600MHz ARM Cortex-A8 (Single-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	PowerVR SGX535	ARM Mali-G71 MP2
Performance (benchmark)	feature not registered	AnTuTu: 98104 (v7)
💽 Memory and storage
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
RAM memory	256MB SDRAM	3GB LPDDR4
Internal storage	32GB (28GB available) Flash (EEPROM)	32GB (21GB available) eMMC 5.1
External storage	Not supported	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
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) micro-SIM (3FF)
Maximum Download / Upload	7.2 Mbps	150/50 Mbps
Network technology	2G, 3G	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 850/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	CSD, GPRS, EDGE, UMTS, HSDPA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Back camera (main camera)	3.1 megapixels	(dual camera) 13 megapixels 5MP depth f/1.9
Main camera resolution	2048x1536 pixels	4128x3096 pixels
Video recording (primary)	VGA (640x480) 30 fps	Full HD (1920x1080) 30 fps
Flash	Not supported	LED flash on both cameras
Focal aperture	feature not registered	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
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	Not supported	EIS: Digital stabilization
Zoom	Not supported	Only digital zoom
Face/smile detection	Not supported	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Front camera (secondary)	Not supported	8 megapixels
Front camera resolution	Not supported	3264x2448 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	feature not registered	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
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	1 microphone	Not supported
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MPEG4, MOV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
USB	USB 2.0 proprietary connector	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Proprietary TV-out	Not supported
Bluetooth	2.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g [wifi3] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Sensors	Accelerometer Compass Proximity sensor	Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Battery type	Li-Ion: lithium-ion (Non removable) 616-0435	Li-Ion: lithium-ion (Removable)
Battery capacity	1219 mAh	3000 mAh
Charger, watts	5W (5V/1A) Wired charging	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	11.7 hours	20 hours
Standby	300 hours (12.5 days)	feature not registered
➕ Other features
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
Call control	Voice recorder, Voice commands	Voice dialing, Voice recorder
Messaging	SMS, MMS, E-mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Not supported	Supported
Ringtones	Polyphonic and customized with tutorial	Polyphonic and customized
Web browser	HTML, XHTML	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • Audio/video player • Image editor iCloud service • Google Maps • Twitter	• Colors: Black, Gold, Rose Gold, White • Samsung Pay
☢️ Radiation rate
	iPhone 3GS (32GB)	Galaxy J7 Duo (SM-J720M/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.26W/kg (head), 0.79W/kg (body)	0.97W/kg (head), 0.55W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.45W/kg (head), 0.4W/kg (body)	feature not registered