Samsung Galaxy J2 Xiaomi Redmi 3S 
Samsung Galaxy J2Xiaomi Redmi 3S
magic score<5082.2
PriceRs. 7,350 onwardsRs. 6,999 onwards
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Launch Date (India)Sep, 2015Aug, 2016
Smartphone OSAndroid 5.1Android 6.0, Expected upgrade to 7.0
Screen Size4.7 inches5 inches
Screen Resolution540x960 pixels (~ 234 pixels per inch)720x1280 pixels (~ 294 pixels per inch)
Display FeaturesSuper AMOLEDIPS LCD, Reading Mode
Processor1.3 GHz1.4 GHz
Processor TypeQuad CoreOcta Core
Processor NameExynos 3475Qualcomm MSM8937 Snapdragon 430
GPUMali-T720Adreno 505
RAM1 GB2 GB
Camera5.0 MP13.0 MP
HD Video RecordingYesYes (Full HD)
Secondary Camera2.0 MP5.0 MP
Internal Memory8 GB16 GB
Dual SIMGSM+GSMGSM+GSM (Hybrid SIM slot)
Thickness8.4 mm8.5 mm
Weight130 gm144 gm
Battery Capacity2000 mAh4100 mAh
Battery Talktime (3G)12.00 hrsN/A
Other Battery ParametersInternet Usage Time (3G): Up to 9 hrs, Internet Usage Time (LTE): Up to 9 hrs, Internet Usage Time (Wi-Fi): Up to 11 hrs, Video Playback Time: Up to 14 hrs, Audio Playback Time: 41 hrsGaming: up to 15 hrs, Music Playback Time: up to 121 hrs, Reading Time: up to 39 hrs, Video Playback Time: up to 17 hrs
Editor's Note [Positives]
  • Good build quality
  • Good ergonomics - back offers a nice grip while holding the device
  • Decent display - good viewing angles, good color reproduction, and good sunlight legibility
  • TouchWiz UI on top of Android
  • Decent audio quality
  • Good loudspeaker
  • Good battery life
  • Compact, smart looking, premium design with a metal build - very similar to the Redmi Note 3, but more easy to handle (because of the smaller size)
  • Excellent ergonomics, with the curves on the back making the phone very comfortable to hold
  • Light-weight with an excellent weight distribution, despite the large battery it holds inside
  • Nice, vibrant, and bright display, with excellent touch-responsiveness, and good viewing angles
  • MIUI is a one of the better Android skins around
  • Good speed/performance (though multi-tasking performance is a notch below the Redmi 3s Prime because of lesser RAM)
  • Decent camera
  • Excellent battery life - easily lasts a day and a half in regular use
  • Fast, accurate fingerprint sensor
  • Good audio quality
Editor's Note [Negatives]
  • Average speed/performance
  • Average camera
  • Camera is decent, and almost at par with the more expensive Redmi Note 3, but still could have been better, especially with low light performance
  • Loudspeaker volume could have been better
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