Lenovo K4 NoteLenovo Vibe X2
Lenovo K4 Note
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Lenovo Vibe X2
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magic score69.1<50
PriceRs. 10,888 onwardsRs. 8,888 onwards
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Launch Date (India)Jan, 2016Nov, 2014
Smartphone OSAndroid 5.1, Upgradeable to 6.0, Expected upgrade to 7.0Android 4.4, Upgradeable to 5.0
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 LCD
Processor1.3 GHz2 GHz
Processor NameMediaTek MT6753MediaTek MT6595m True8Core (Quad Cores 2GHz + Quad Cores 1.69 GHz)
GPUMali T720-MP3PowerVR G600
RAM3 GB2 GB
Internal Memory16 GB32 GB
Expandable Memory Slotup to 128 GB
Thickness9.1 mm7.3 mm
Weight160 gm120 gm
Battery Capacity3300 mAh2300 mAh
Battery Standby265 hrs408 hrs
Battery Standby (3G)N/A396 hrs
Battery Talktime (3G)N/A11.50 hrs
Other Battery ParametersN/ADual SIM Battery Life - Battery Standby (2G): 180 hrs, Battery Standby (3G): 204 hrs, Battery Standby (4G): 180 hrs, Battery Talktime (2G): 15.5 hrs, Battery Talktime (3G/4G): 11.00 hrs
Fingerprint sensorYes
Editor's Note [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
  • Very good build quality
  • Fun, lively design
  • Light-weight, and compact
  • Bright, vibrant, full HD display
  • Android interface with with the Vibe UI skin which is fast and offers lots of personalization options and custom apps
  • Blazing fast speed/performance, with excellent benchmark scores
  • Good video playback
  • Decent call quality
  • Three dots on the lower rear act as contacts for optional clip-on accessories (including speaker, extended battery)
  • 4G LTE support
  • Optional 2300mAh charging case available for the smartphone that lets you extend the battery life
Editor's Note [Negatives]
  • No major negatives
  • Corners and edges tend to dig into the palms a little, and can make the phone somewhat uncomfortable to hold over long periods of time
  • Average loudspeaker
  • Average battery life
  • Average camera
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