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Samsung Corby II (GT-S3850) vs Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)

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

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Compare Samsung Galaxy J7 Duo X Samsung Corby II (GT-S3850) 01Point
3.2"
TFT

240x320

2
MP
N/A
1000
mAh

(Removable)

vs
28Points Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) Compare Samsung Corby II X
5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)

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!

Corby II (GT-S3850)} 1 Advantage Samsung Corby II (GT-S3850) vs Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)} 28 Advantages Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
+102 grams (3.57 ounces)71%
Lighter
vs174 grams (6.09 ounces)
26MBvs+32GB (21GB available)826 times
More internal storage for applications and files
Until 16GB microSD, microSDHCvs+Until 256GB microSD, microSDXC15 times
More external storage for files using memory cards
11.7 millimeters (0.46 inches)vs+8.2 millimeters (0.32 inches)43%
Thinner
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+720x1280 pixels11 times
Higher resolution screen
125 PPIvs+267 PPI114%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"vs+5.5"72%
Larger screen
(back) 2MPvs+(dual camera) 13MP + 5MP8 times
Higher resolution main camera
Not supportedvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
Not supportedvs+AutofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 8MPAdvantage
A front-camera is best for taking selfies
QVGA (320x240)vs+Full HD (1920x1080)26 times
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
2G EDGEvs+4G LTEAdvantage
The 4G LTE network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(4G LTE) 150 Mbps635 times
Faster for surfing the internet and download files
Singlevs+MultitouchAdvantage
Better touch type. Multitouch allows to use more fingers at the same time.
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (front-mounted)Advantage
Sensors help you use the device
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
1000 mAhvs+3000 mAh2 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+A-GPS, GeoTagging, GLONASS, BeiDouAdvantage
It's harder to lose yourself in the city with GPS on your device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys

9 Common items in both devices
Only digital zoom
Capacitive
Accelerometer
Li-Ion: lithium-ion (Removable)
Hands-free calling
Vibrating alert
3.5mm jack
+2 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 Clear highlight

📱 Model features

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Change model 
ModelCorby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Other model namesSamsung Corby 2 S3850, Samsung S3850L, Samsung Genio IIGalaxy J7 Duo (32GB + 3GB RAM) Dual-Sim, Samsung J720
Country or region availablefeature not registered(Europe)(Global, International)SingaporeThailandVietnam
(Europe), (Global, International), Singapore, Thailand, Vietnam
BrandSamsungSamsung
Release date4/22/20114/1/2018
Depth11.7 millimeters (0.46 inches)8.2 millimeters (0.32 inches)
Size (width x height)60.6 x 109.9 millimeters (2.39 x 4.33 in)77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight102 grams (3.57 ounces)174 grams (6.09 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Display typeTFT LCDSuper AMOLED
Screen size3.2" inches5.5" inches
Screen-to-body ratio~47.6% (screen-to-body ratio)~70.4% (screen-to-body ratio)
Display resolution240x320 pixels720x1280 pixels (16:9)
TouchscreenCapacitive Single touch 1-pointCapacitive Multitouch
Pixel density (dot pitch)125 PPI267 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
System versionProprietary OSAndroid 8.0 Oreo
Firmware updatefeature not registeredAndroid 10
User Interfacefeature not registeredOne UI 2.0

⚙️ Processor

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Chipset32bit64bit: Samsung Exynos 7885 (14nm)
CPUSingle-core, 1 processor:
Single-core
Octa-core, 2 processors:
2x 2.2GHz ARM Cortex-A73 (Dual-core)
6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controllerfeature not registeredARM Mali-G71 MP2
Performance (benchmark)feature not registeredAnTuTu: 98104 (v7)

💽 Memory and storage

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
RAM memoryfeature not registered3GB LPDDR4
Internal storage26MB32GB (21GB available)
eMMC 5.1
External storageUntil 16GB microSD, microSDHC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum Download / Upload0.236 Mbps150/50 Mbps
Network technology2G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkNot supportedUMTS 850/900/1900/2100
Primary 4G networkNot supportedLTE Cat4 (1, 3, 5, 7, 8, 20)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1900/2100
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+

📷 Camera

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Back camera (main camera)2 megapixels(dual camera)
13 megapixels
5MP depth f/1.9
Main camera resolution1600x1200 pixels4128x3096 pixels
Video recording (primary)QVGA (320x240) 15 fpsFull HD (1920x1080) 30 fps
FlashNot supportedLED flash on both cameras
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedAutofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Front camera (secondary)Not supported8 megapixels
Front camera resolutionNot supported3264x2448 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedLED
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationfeature not registeredNot supported
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSNot supportedA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
SensorsAccelerometerAccelerometer
ANT+
Face unlock 2D
Fingerprint sensor (front-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Battery typeLi-Ion: lithium-ion (Removable)
EB424255VU
Li-Ion: lithium-ion (Removable)
Battery capacity1000 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy9.5 hours20 hours
Standby620 hours (25.8 days)feature not registered

➕ Other features

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS, MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserfeature not registeredHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White, Pink, Yellow
• DNSe (Digital Natural Sound Engine)
• Panorama photo
• Samsung TouchWiz UI
• Java framework
• Colors: Black, Gold, Rose Gold, White
• Samsung Pay

☢️ Radiation rate

Samsung Corby II (GT-S3850)Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.543W/kg (head), 1.397W/kg (body)
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