Xiaomi Mi4 16GBXiaomi Redmi 3S
Xiaomi Mi4 16GB
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Xiaomi Redmi 3S
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magic score79.388.3
PriceRs. 10,990 onwardsRs. 6,999 onwards
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Launch Date (India)Feb, 2015Aug, 2016
Smartphone OSAndroid 4.4, Upgradeable to 6.0Android 6.0, Expected upgrade to 7.0
Screen Resolution1080x1920 pixels (~ 441 pixels per inch)720x1280 pixels (~ 294 pixels per inch)
Display FeaturesIPS LCD, Scratch Resistant (Corning Gorilla Glass 3), One Glass SolutionIPS LCD, Reading Mode
Processor2.5 GHz1.4 GHz
Processor TypeQuad CoreOcta Core
Processor NameQualcomm MSM8974AC Snapdragon 801Qualcomm MSM8937 Snapdragon 430
GPUAdreno 330Adreno 505
RAM3 GB2 GB
4GYes
VoLTEYes
HD Video RecordingYes (4K)Yes (Full HD)
Secondary Camera8.0 MP5.0 MP
Expandable Memory Slotup to 128 GB
Dual SIMGSM+GSM (Hybrid SIM slot)
Thickness8.9 mm8.5 mm
Weight149 gm144 gm
Battery Capacity3080 mAh4100 mAh
Battery Standby280 hrsN/A
Other Battery ParametersN/AGaming: 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]
  • Excellent build quality
  • Rich choice of rear covers
  • Bright, vivid display, with good sunlight legibility
  • Sleek and friendly MIUI interface over Android
  • Blazing fast performance, backed by top-end hardware
  • Excellent for gaming
  • Excellent primary camera with great picture quality
  • 8 MP secondary camera is great for selfies
  • Solid 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)
  • Excellent battery life - easily lasts a day and a half in regular use
  • Fast, accurate fingerprint sensor
  • Good audio quality
Editor's Note [Negatives]
  • Loudspeaker could have been louder
  • 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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