Phone Comparison - Samsung Galaxy J7 (2017) vs Samsung Galaxy S9 vs Samsung Galaxy A40

general General Info

Manufacturer Samsung Samsung Samsung
Announced June 2017 February 2018 March 2019
Status Available - July 2017 Coming Soon, March 2018 Coming Soon - April 2019
Price Rs. 24,500 ($330.00) [Similarly Priced] Rs. 52,999 ($750.00) [Similarly Priced] -
Colors Gold, Black, Pink, Blue Various Black, White, Blue, Coral
Form Factor Candybar Candybar Candybar
Dimension 152.4 x 74.7 x 7.9 mm
(6 x 2.94 x 0.31 in)
147.7 x 68.7 x 8.5 mm
(5.81 x 2.7 x 0.33 in)
144.3 x 69.1 x 7.9 mm
(5.68 x 2.72 x 0.31 in)
Weight - 163 g (5.75 oz) -
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust/water proof over 1.5 meter and 30 minutes
- Fingerprint Sensor
Notification LED - Yes -

hardware Hardware and OS

OS Android OS, v7.1 (Nougat) Android 8.0 (Oreo) Android 9.0 (Pie)
User Interface - Samsung Experience -
Processor Octa-core 1.6 GHz Cortex-A53, Exynos 7870 Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA
Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA
Qualcomm Snapdragon 845
Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm)
GPU Mali-T830 MP2 Mali-G72 MP18 - EMEA
Adreno 630 - USA & China
Mali-G71
RAM 3 GB 4 GB 4 GB
Internal Memory 16 GB 64 GB 64 GB
External Memory microSD, up to 256 GB microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot)

display Display

Type Super AMOLED capacitive touchscreen, 2.5D Gorilla Glass Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.8 inches 5.9 inches
Resolution 1080 x 1920 pixels (401 ppi) 1440 x 2960 pixels (568 ppi) 1080 x 2280 pixels (428 ppi)
Screen-to-Body Ratio 73.08% 84.00% 86.97%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio, RDS, recording No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP 12 MP 16 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features Autofocus, f/1.7, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/1.5 - f/2.4 variable aperture lens, 26mm, 1/2.5", 1.4 ┬Ám, Dual Pixel PDAF, OIS, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 16 MP, f/2.0, PDAF
5 MP, f/2.2, 12mm, (ultrawide)
Panorama, HDR
Video 1080p@30fps 2160p@30fps, 1080p@60fps, HDR, dual-video rec. 2160p@30fps, 1080p@30fps
Front Camera 13 MP, f/1.9 [Similar] 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] 25 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps
Bluetooth v4.1, A2DP 5.0, A2DP, LE, aptX 4.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB microUSB v2.0 3.1, Type-C 1.0 reversible connector Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 Yes

memory User Memory

Internal 16 GB, 3 GB RAM 64 GB, 4 GB RAM 64 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot)
USB OTG Supported Not Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor barometer sensor present barometer sensor not present
Heart-rate Sensor heart rate sensor heart rate sensor present heart rate sensor not present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion battery Non-removable Li-Po Battery
Capacity 3600 mAh 3000 mAh 3100 mAh
Stand by - - -
Talk Time - - -