Our Opinion

The Samsung Galaxy J7 Duo is a significantly better phone than the Samsung Galaxy J7 Prime 2, and is also significantly better value for money. What should you buy? Go for the Samsung Galaxy J7 Duo!

Samsung Galaxy J7 Duo  Samsung Galaxy J7 Prime 2 
Samsung Galaxy J7 Duo Samsung Galaxy J7 Prime 2
Buy Now Buy Buy
Excellence Score
41.5
29.9
Value for Money Score
78.9
69.1
Price ₹ 14,990 onwards ₹ 12,900 onwards
Launch Date (India) Apr, 2018 Mar, 2018
Expected Launch Date N/A N/A
Smartphone OS Android 8.0 Oreo Android 7.1 Nougat, Expected upgrade to 8.0 Oreo
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 5.5 inches 5.5 inches
Screen Resolution 720x1280 pixels (~ 267 pixels per inch) 1080x1920 pixels (~ 401 pixels per inch)
Scratch Resistant Display Yes, Corning Gorilla Glass
Display Features Super AMOLED, 2.5D Curved Glass TFT LCD, 2.5D Curved Glass
Full Physical QWERTY Keypad
Processor 1.6 GHz 1.6 GHz
Processor Type Octa Core Octa Core
Processor Name Exynos 7870 Octa Exynos 7870
GPU Mali-T830 MP1 Mali-T830MP2
RAM 4 GB 3 GB
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
USB Yes Yes
Camera 13.0 MP 13.0 MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (Full HD) Yes (Full HD)
Other Camera Features Dual Camera (13MP + 5MP), F/1.9 Aperture, Face Detection, Panorama, HDR F/1.9 Aperture, Geo-tagging, Face Detection, Panorama, HDR
Secondary Camera 8.0 MP 13.0 MP
Secondary Camera Features F/1.9 Aperture, LED Flash F/1.9 Aperture
Internal Memory 32 GB 32 GB
Expandable Memory Slot up to 256 GB up to 256 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Dual SIM GSM+GSM GSM+GSM
Thickness 8.2 mm 8 mm
Weight 174 gm 170 gm
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 3000 mAh 3300 mAh
Battery Standby N/A N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A 21.00 hrs
Fast Charging
Other Battery Parameters N/A Internet Usage Time (3G): 12 hrs, Internet Usage Time (4G): 15 hrs, Internet Usage Time (Wi-Fi): 16 hrs, Video Playback Time (Hours): 14 hrs, Audio Playback Time (Hours): 84 hrs
Fingerprint sensor Yes Yes
Other Features WiFi Dual-band; WiFi Direct; ANT+ support S Bike Mode; WiFi Direct; USB On-The-Go; ANT+ Support; FM Recording
2-minute Review [Positives] N/A N/A
2-minute Review [Negatives] N/A N/A
Expert Reviews N/A N/A
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
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