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Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) All specs

Full specifications phone: Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) specs, detailed technical information, features, price and review. All about this phone.

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Samsung Galaxy J7 Duo

The Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) is a good Android phone with 2.2GHz Octa-Core processor that allows run games and heavy applications.

An advantage of the Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.

Good connectivity of this device includes Bluetooth 5.0 + A2DP/LE, WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO, but it lacks NFC connection.

Including the battery, the Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) phone has 174 grams and it's a very thin device, only 8.2mm.

4.9/10

📱 Model features

Samsung Galaxy J7 Duo
Other model namesGalaxy J7 Duo (32GB + 3GB RAM) Dual-Sim, Samsung J720
Country or region available(Europe)(Global, International)SingaporeThailandVietnam
(Europe), (Global, International), Singapore, Thailand, Vietnam
BrandSamsung
Release date4/1/2018
Depth8.2 millimeters (0.32 inches)
Size (width x height)77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight174 grams (6.09 ounces)
Build, materialsPlastic body, glass front
Protection against water and othersNot supported

🤖 Operating System

Samsung Galaxy J7 Duo
System versionAndroid 8.0 Oreo
Firmware updateAndroid 10
User InterfaceOne UI 2.0

⚙️ Processor

Samsung Galaxy J7 Duo
Chipset64bit - Samsung Exynos 7885 (14nm)
CPUOcta-Core, 2 processors:
2.2GHz Dual-Core ARM Cortex-A73
1.6GHz Hexa-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G71 MP2
Performance (benchmark)AnTuTu: 98104 (v7)

💽 Memory and storage

Samsung Galaxy J7 Duo
RAM memory3GB LPDDR4
Internal storage32GB (21GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)

📲 Display

Samsung Galaxy J7 Duo
Display typeSuper AMOLED
Screen size5.5" inches
Screen-to-body ratio~70.4% (screen-to-body ratio)
Display resolution720x1280 pixels (16:9)
TouchscreenCapacitive Multitouch
Pixel density (dot pitch)267 PPI
Colors16 million
Scratch-resistant glassGorilla Glass
Refresh rate60Hz
Display featuresNot supported

📶 Mobile networks

Samsung Galaxy J7 Duo
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum download/upload150/50 Mbps
Network technology2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100
Primary 4G networkLTE Cat4 (1, 3, 5, 7, 8, 20)
TD-LTE (38, 40, 41)
Primary 5G networkNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1900/2100
Secondary 4G networkNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+

📷 Camera

Samsung Galaxy J7 Duo
Back camera (main camera)(dual camera)
13 megapixels
5MP depthf/1.9
Main camera resolution4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fps
FlashLED flash on both cameras
Focal aperturef/1.9 (aperture)
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
AutofocusAutofocus
Touch focusSupported
Image stabilizationEIS: Digital stabilization
ZoomOnly digital zoom
Face/smile detectionFace detection, Smile detection
BSI sensorNot supported
HDRHDR photo only main camera
Camera extrasfeature not registered

📸 Front camera

Samsung Galaxy J7 Duo
Front camera (secondary)8 megapixels
Front camera resolution3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)
Front flashLED
Focal aperturef/1.9 (aperture)
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered

🔉 Sound and multimedia

Samsung Galaxy J7 Duo
LoudspeakerMono sound (not stereo)
Active noise cancellationNot supported
RadioFM
TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy J7 Duo
USBMicroUSB 2.0
Audio output3.5mm jack
TV outputNot supported
Bluetooth5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supported
Infrared portNot supported

🧭 Sensors

Samsung Galaxy J7 Duo
SensorsAccelerometer
ANT+
Face unlock
Fingerprint sensor (front-mounted)
Proximity sensor
Vibrating alertSupported

🔋 Battery

Samsung Galaxy J7 Duo
Battery typeLi-Ion: Lithium-Ion (Removable)
Battery capacity3000 mAh
Charger, watts Standard charging
Talk time autonomy20 hours
Standbyfeature not registered

➕ Other features

Samsung Galaxy J7 Duo
Call controlVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupported
Video callingSupported
RingtonesPolyphonic and customized
Web browserHTML, XHTML, HTML5
AntennaInternal antenna
Qwerty physical keyboardNot supported
Miscellaneous- Colors: Black, Gold, Rose Gold, White
- Samsung Pay

☢️ Radiation rate

Samsung Galaxy J7 Duo
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.543W/kg (head), 1.397W/kg (body)
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