Lenovo K4 Note  Lenovo Vibe S1 
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Excellence Score24.926.4
Value for Money Score65.368.3
PriceRs. 11,680 onwardsRs. 11,100 onwards
Launch Date (India)Jan, 2016Nov, 2015
Smartphone OSAndroid 5.1, Upgradeable to 6.0, Expected upgrade to 7.0Android 5.0, Upgradeable to 6.0
Screen Size5.5 inches5 inches
Screen Resolution1080x1920 pixels (~ 401 pixels per inch)1080x1920 pixels (~ 441 pixels per inch)
Display FeaturesIPS, Scratch Resistant (Gorilla Glass 3)IPS, Scratch Resistant (Corning Gorilla Glass 3)
Processor1.3 GHz1.7 GHz
Processor NameMediaTek MT6753MediaTek MT6752
GPUMali T720-MP3Mali-T760MP2
VoLTEYes
Secondary Camera5.0 MP8.0 MP
Internal Memory16 GB32 GB
Dual SIMGSM+GSMGSM+GSM (Hybrid SIM slot)
Thickness9.1 mm7.8 mm
Weight160 gm132 gm
Battery Capacity3300 mAh2420 mAh
Battery Standby265 hrs264 hrs
Battery Standby (3G)N/A240 hrs
Battery Talktime22.00 hrs26.00 hrs
Battery Talktime (3G)N/A12.00 hrs
Other Battery ParametersN/ABattery Standby (4G): 240 hrs, Battery Talktime (4G): 12 hrs
Fingerprint sensorYes
2-minute Review [Positives]
  • Very good build quality
  • The metal frame is a nice touch, and enhances the overall design
  • Comfortable to hold, for a phone of this size
  • Very good display - offers vibrant color output, good sunlight legibility and good viewing angles
  • Lenovo's UI over Android is one of the better UI skins around
  • Good speed/performance in daily use (although gaming performance could have been better)
  • Good overall front and back cameras
  • Thanks to Dolby Atmos, Wolfson WM8281 audio codec and dual front-facing speakers, loudspeaker output is brilliant and clear even in full volume
  • Audio output through headphones is brilliant as well
  • Good fingerprint sensor
  • Good battery life
  • VR support
  • Beautiful, premium design - easily amongst the best-looking phones in this segment
  • Outstanding ergonomics - sleek design, curved back and very lightweight
  • Excellent in-hand feel
  • Decent display
  • Lenovo's Vibe UI on top of Android
  • Good speed/performance
  • Very good rear camera
  • Dual front camera with nifty inbuilt features
2-minute Review [Negatives]
  • No Major Negatives!
  • Average battery life
Expert Reviews
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  5. NDTV   HANDS ON   Read Review »
  6. Times Of India   HANDS ON   Read Review »
  1. NDTV   IN-DEPTH   Read Review »
  2. Digit   IN-DEPTH   Read Review »
  3. Fonearena   IN-DEPTH   Read Review »
  4. GSMArena   IN-DEPTH   Read Review »
  5. Economic Times   IN-DEPTH   Read Review »
  6. Indian Express   HANDS ON   Read Review »
User Reviews
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