Compare Samsung Galaxy S7 vs Samsung Galaxy J7

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Phones
Samsung Galaxy S7
Samsung Galaxy J7
Network, supported bands and technologies
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - G930FHSDPA 850 / 900 / 1900 / 2100 - J700F, J700H
  TD-SCDMAHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J700M
4G bandsLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - G930FLTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J700F
SpeedHSPA 42.2/5.76 Mbps, LTE Cat9 450/50 MbpsHSPA 21.1/5.76 MbpsHSPA, LTE Cat4 150/50 Mbps
GPRSYesYes
EDGEYesYes
Release date
First presented2016, February 2015, June
StatusAvailable. Released 2016, MarchAvailable. Released 2015, June
Size and Dimensions
Measurements142.4 x 69.6 x 7.9 mm (5.61 x 2.74 x 0.31 in)152.2 x 78.7 x 7.5 mm (5.99 x 3.10 x 0.30 in)
Weight152 g (5.36 oz)171 g (6.03 oz)
DesignCorning Gorilla Glass 4 back panel
SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Optional Dual SIM (Micro-SIM, dual stand-by)
 - Samsung Pay (Visa, MasterCard certified)- IP68 certified - resistable to water and dust from 1,5 meter and higher for 30 minutes
Display (type and size)
TypeSuper AMOLED capacitive touchscreen, 16M colorsSuper AMOLED capacitive touchscreen, 16M colors
Size5.1 inches 5.5 inches
Resolution1440 x 2560 pixels 720 x 1280 pixels
MultitouchYesYes
ProtectionCorning Gorilla Glass 4
 - Always-on display- TouchWiz UI
System and processor information
OSAndroid OS, v6.0 (Marshmallow)Android OS, v5.1 (Lollipop)
ChipsetQualcomm MSM8996 Snapdragon 820Exynos 8890 OctaQualcomm MSM8939 Snapdragon 615Exynos 7580
Central processing unitDual-core 2.15 GHz Kryo & dual-core 1.6 GHz KryoQuad-core 2.3 GHz Mongoose + quad-core 1.6 GHz Cortex-A53Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53Octa-core 1.5 GHz
Graphics processing unitAdreno 530Mali-T880 MP12Adreno 405Mali-T720MP2
Memory bank
Slot for memory cardmicroSD, up to 200 GB (dedicated slot) - single-SIM modelmicroSD, up to 200 GB (uses SIM 2 slot) - dual-SIM model microSD, up to 128 GB
Built-in 4 GB RAM 32/64 GB 1.5 GB RAM 16 GB
Camera
Primary12 MP, f/1.7, 26mm, phase detection autofocus, OIS, LED flash, quality control13 MP, f/1.9, 28mm, autofocus, LED flash, quality control
Features1/2.6" sensor size, 1.4 ľm pixel size, geo-tagging, simultaneous 4K video and 9MP image recording, quick tap focus, face/smile detection, Auto HDR, panoramaGeo-tagging, quick tap focus, face detection, panorama
Video2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec., quality control1080p@30fps, quality control
Secondary5 MP, f/1.7, 22mm, dual video call, Auto HDR5 MP, f/2.2, 23mm, LED flash
Sound
Different alarm typesVibration; MP3, WAV ringtones Vibration; MP3, WAV ringtones
Main speaker
3.5mm jack
 - 24-bit/192kHz audio
Communication
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetoothv4.2, A2DP, LE, aptXv4.1, A2DP
GPSYes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS
NFCYesYes (Snapdragon model only)
RadioNo FM radio ith Radio Data System; recording
USBmicroUSB v2.0, USB HostmicroUSB v2.0
Features
SensorsFingerprint recognition, accelerometer, gyro, proximity sensor, compass, barometer, heart rate monitor, SpO2Accelerometer, proximity sensor
MessagingSMS(threaded view), MMS, Email, Push Mail, IMSMS(threaded view), MMS, Email, Push Mail, IM
BrowserHTML5 HTML5
JavaNoNo
 - quick battery charge: 60% in 30 min (Quick Charge 2.0)- Wireless charging (Qi/PMA) - market dependent- ANT+ support- S-Voice dictation and cammands recognition- OneDrive (115 GB online storage)- noise cancellation feature- MP4/DivX/XviD/WMV/H.264 player- MP3/WAV/WMA/eAAC+/FLAC player- Photo/video editor- Document editor- ANT+ support- noise cancellation feature- MP4/WMV/H.264 player- MP3/WAV/WMA/eAAC+/FLAC player- Photo/video editor- Document viewer
Battery
 Built-in Li-Ion 3000 mAh batteryLi-Ion 3000 mAh battery
Talk timeUp to 22 h (3G)Up to 18 h (3G)
Music playerUp to 62 hUp to 76 h
Stand-by
Other
ColorsBlack, White, Gold, Silver, Pink GoldWhite, Black, Gold