• 5.5" (1280x720) TFT LCD
  • 1.5GB
    Snapdragon 615 SoC
    16GB Storage
  • 13-MP, f/1.9 Rear: 1 Camera
  • 3000 mAh
  • 5" (1280x720)
  • 2GB
    Exynos 7570 Quad SoC
    16GB Storage
  • 13-MP Rear: 1 Camera
  • 2400 mAh
Specifications Highlights
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
ProductGalaxy J7 (2015) (2015), Price: 395 USD at AmazonGalaxy J3 (2017) (2017), Price: 119 USD at Amazon
Display5.5" 1280x720 TFT LCD 5" 1280x720
Rear Camera(s)
  • 27mm 13-MP f/1.9 (Primary)
  • 13-MP (Primary)
Selfie Camera(s)
  • 5-MP
  • 5-MP
Computing
  • Snapdragon 615 SoC
  • 1.5GB RAM
  • 16GB Storage
  • MicroSD (128GB max.)
  • Exynos 7570 Quad SoC
  • 2GB RAM
  • 16GB Storage
  • MicroSD (256GB max.)
Battery3000 mAh2400 mAh
DesignIP Rating, 171g (6oz), 152.2 x 78.7 x 7.5 mm (5.99 x 3.10 x 0.30 inches)IP Rating, 142g (5oz), 143.2x70.3x8.2 mm (5.64 x 2.77 x 0.32 inches)
Price (Market)$395$119
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Display
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
TypeTFT LCD
Diagonal (inches)5.5"5"
Display/Body Ratio69.6%68.5%
Resolution1280x7201280x720
Sharpness (PPI)267 PPI294 PPI
Features
  • Multitouch
  • Multitouch
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
Focal Length (35mm) 27mm
Megapixel13-MP13-MP
Aperturef/1.9
Sensor Pixel Size1.12 µm1.15 µm
Hardware Features
  • Autofocus
  • Flash
  • Flash
  • HDR Photo
Software Features
  • Geo Tag
  • Geo Tag
Video Resolutions
  • 1080p/30fps
  • 1080p/30fps
Battery
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
Battery TypeLi-Ion
Battery Capacity (mAh)3000 mAh2400 mAh
Battery Features
  • Removable
Talk Time18 hours15 hours
Music Playback Time76 hours61 hours
Computing
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
Processor BrandQualcommSamsung
Processor NameSnapdragon 615Exynos 7570 Quad
Processor ModelMSM8939
Processor # Cores84
Main Processor Frequency (GHz)4x1.4 & 4x1.0 or 8x1.5 GHz1.4 GHz
RAM Options1.5GB2GB
Internal Storage Options16GB16GB
Memory Card TypeMicroSDMicroSD
Mem. Card Max. Size128GB256GB
Operating System + VersionAndroid 5.1Android 7.0
Communications
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
LTE Category (Download)LTE CAT4 150 Mbps
Modem Features
  • GPRS
  • EDGE
  • GPRS
  • EDGE
  • LTE
WiFi Speed
  • b
  • g
  • n
  • b
  • g
  • n
WiFi Features
  • Hotspot
  • WiFi Direct
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 4.1
Bluetooth Features
  • A2DP
  • A2DP
  • BT LE
NFC Features
  • NFC Supported
  • NFC Supported
Connector TypeMicro USBMicro USB
Connector Features
  • USB OTG
SAR US Head1.25 W/Kg
SAR US Body1.36 W/Kg
SAR EU Head0.5 W/Kg0.66 W/Kg
SAR EU Body0.37 W/Kg1.32 W/Kg
Sim Card 0
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
NameSIM0SIM0
SIM TypeMicro SIMNano SIM
Multimedia
Product NameGalaxy J7 (2015)Galaxy J3 (2017)
Audio Alerts
  • VIBRATION
  • MP3
  • WAV
  • VIBRATION
  • MP3
  • WAV
Audio Features
  • Loudspeaker
  • 3.5mm Port
  • FM Radio
  • Loudspeaker
  • 3.5mm Port
Audio Formats
  • MP3
  • FLAC
  • WAV
  • WMA
Video Formats
  • MP4
  • WMV
  • H.264
  • MP4
  • H.264
Sensors
  • Accelerometer
  • GPS
  • A-GPS
  • GLONASS
  • Proximity
  • Accelerometer
  • GPS
  • A-GPS
  • GLONASS
  • Proximity

Samsung Galaxy J7 (2015) vs. Samsung Galaxy J3 (2017) Specs & Speed Benchmarks

Antutu

Higher is better

3DMark Slingshot 3.1

Higher is better

3DMark Unlimited Icestorm

Higher is better

GFXBench Manhattan (Offscr.)

Higher is better

GFXBench Manhattan 3.1 (Offscr.)

Higher is better

GFXBench T-Rex (Offscr.)

Higher is better

Battery Capacity (mAh)

Higher is better