• 5" (1280x720) TFT LCD
  • 2GB
    Samsung Exynos 7 Quad 7570 SoC
    16GB Storage
  • 8-MP, f/1.9 1 Rear Camera
  • 2600 mAh
  • 5.5" (1280x720) TFT LCD
  • 3GB
    Exynos 7870 Octa SoC
    16GB Storage
  • 8-MP, f/1.9 1 Rear Camera
    CAMERA HW score: 52
  • 3600 mAh

Specifications Highlights
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
ProductGalaxy J3 (2018) (Launched 2018-06-01)Galaxy J7 (SM-J727U, 2017) (Launched 2017-06-01), Price: 295 USD at Amazon
Display5" 1280x720 TFT LCD 5.5" 1280x720 TFT LCD
Rear Camera(s)
  • 8-MP f/1.9 (Primary)
  • 32mm 8-MP f/1.9 (Primary)
Selfie Camera(s)
  • 5-MP f/2.2
  • 22mm 5-MP
Computing
  • Samsung Exynos 7 Quad 7570 SoC
  • 2GB RAM
  • 16GB Storage
  • MicroSDXC
  • Exynos 7870 Octa SoC
  • 3GB RAM
  • 16GB Storage
  • MicroSD (256GB max.)
Battery2600 mAh3600 mAh
DesignIP Rating, 152g (5.4oz), 70.1x142.7x8.9 mm (2.76 x 5.62 x 0.35 inches)IP Rating, 181g (6.4oz), 152.5x74.8x8 mm (6.00 x 2.94 x 0.31 inches)
Price (Market)$295
Price at Launch$265
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Display
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
TypeTFT LCDTFT LCD
Diagonal (inches)5"5.5"
Display/Body Ratio68.9%73.1%
Resolution1280x7201280x720
Sharpness (PPI)294 PPI267 PPI
Features
  • Multitouch
  • Glossy
  • Multitouch
  • Glossy
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
Megapixel8-MP8-MP
Aperturef/1.9f/1.9
Focal Length (35mm) 32mm
Sensor SizeSmallSmall
Autofocus Features
  • Contrast
  • Contrast
  • Phase Detection
Hardware Features
  • LED Flash
  • Autofocus
  • HDR Photo
  • Autofocus
  • Flash
  • HDR Photo
Video Resolutions
  • 1080p/30fps
  • 720p/30fps
  • 1080p/30fps
Battery
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
Battery TypeLi-IonLi-Ion
Battery Capacity (mAh)2600 mAh3600 mAh
Battery Features
  • Removable
  • Removable
Talk Time20 hours24 hours
Music Playback Time91 hours
Computing
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
Processor BrandSamsung
Processor NameSamsung Exynos 7 Quad 7570Exynos 7870 Octa
Processor ModelExynos 7870
Processor # Cores48
Main Processor Frequency (GHz)1.4 GHz1.6 GHz
RAM Options2GB3GB
Internal Storage Options16GB16GB
Memory Card TypeMicroSDXCMicroSD
Mem. Card Max. Size256GB
Operating System + VersionAndroid 8.0Android 7.1
Communications
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
LTE Category (Download)LTE CAT4 150 MbpsLTE CAT6 301 Mbps
LTE Bands12, 66, 71
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • GPRS
  • EDGE
  • LTE
WiFi Speed
  • b
  • g
  • n
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Hotspot
  • WiFi Direct
  • Hotspot
  • Dual-band
  • WiFi Direct
Bluetooth VersionBluetooth 4.2
Bluetooth Features
  • A2DP
  • AVRCP
  • BT EDR
  • HDP
  • HFP
  • HID
  • MAP
  • OPP
  • PBAP/PAB
  • SPP
  • A2DP
NFC Features
  • NFC Supported
Connector TypeMicro USBMicro USB
Connector Features
  • USB 2.0
  • USB 2.0
SAR US Head1.2 W/Kg
SAR US Body1.13 W/Kg
SAR EU Head0.57 W/Kg
SAR EU Body1.33 W/Kg
Sim Card 0
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
NameSIM0SIM0
SIM TypeNano SIMNano SIM
SIM Features
  • 4G
Multimedia
Product NameGalaxy J3 (2018)Galaxy J7 (SM-J727U, 2017)
Audio Alerts
  • VIBRATION
  • MP3
  • WAV
Audio Features
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
  • Loudspeaker
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • H.263
  • H.264
  • MPEG-4
  • MP4
  • MP4
  • WMV
  • H.264
Sensors
  • Proximity
  • Accelerometer
  • GPS
  • A-GPS
  • GLONASS
  • Accelerometer
  • Compass
  • GPS
  • A-GPS
  • GLONASS
  • Proximity

Samsung Galaxy J3 (2018) vs. Samsung Galaxy J7 (SM-J727U, 2017) Specs & Speed Benchmarks

Geekbench 4 Single

Higher is better

Geekbench 4 Multi

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