Asus Zenfone 5 8GB (New)  Microsoft Lumia 640 Dual SIM 
Asus Zenfone 5 8GB (New) Microsoft Lumia 640 Dual SIM
Buy Now N/A N/A
Excellence Score
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Value for Money Score
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Price N/A N/A
Launch Date (India) Jan, 2015 Apr, 2015
Expected Launch Date N/A N/A
Smartphone OS Android 4.3, Upgradeable to 5.0 LollipopNo more updates expected Windows Phone 8.1, Upgradeable to 10No more updates expected
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 5 inches 5 inches
Screen Resolution 720x1280 pixels (~ 294 pixels per inch) 720x1280 pixels (~ 294 pixels per inch)
Tall Aspect Ratio / Minimal Bezels
Scratch Resistant Display Yes, Corning Gorilla Glass 3 Yes, Corning Gorilla Glass 3
Display Features IPS IPS LCD, ClearBlack Display
Full Physical QWERTY Keypad
Processor 1.2 GHz 1.2 GHz
Processor Type Dual Core Quad Core
Processor Name Intel Atom Z2520 Qualcomm Snapdragon 400Ranked #86 in Mobile Processor Benchmarks
GPU PowerVR SGX544MP2 Adreno 305
RAM 2 GB 1 GB
3G Yes Yes
4G Yes (limited band support)
VoLTE
WiFi Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port USB USB
Primary Camera 8.0MP 8.0MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (Full HD) Yes (Full HD)
Other Camera Features F2.0 Aperture, PixelMaster 1/4" Sensor Size, 4X Digital Zoom, F/2.2 Aperture, Backside-illuminated Image Sensor, Dynamic Flash, Rich Capture, Video Recording Features - Video Zoom, Continuous Auto-Focus, Video Light
Secondary Camera 2.0MP 0.9MP
Secondary Camera Features F2.4 Aperture HD Video Recording, F/2.2 Aperture
Internal Memory 8 GB 8 GB
Expandable Memory Slot up to 64 GB up to 128 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Dual SIM GSM+GSM GSM+GSM
Thickness 10.34 mm 8.8 mm
Weight 145 gm 145 gm
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 2110 mAh 2500 mAh
Battery Standby 353 hrs 840 hrs
Battery Standby (3G) N/A 840 hrs
Battery Talktime 18.50 hrs 27.30 hrs
Battery Talktime (3G) N/A 20.30 hrs
Fast Charging
Other Battery Parameters N/A Music Playback Time: 86 hrs, WiFi Network Browsing Time: 10.9 hrs, Video Playback Time: 8.7 hrs
Fingerprint sensor
Other Features Supports GloveTouch input; SonicMaster for audio enhancement; ASUS WebStorage (5 GB) Display Features - Sunlight Readability Enhancements, Easy to Clean, Lumia Color Profile; DLNA; Peer-to-Peer Sharing - Lumia Beamer, Lumia Storyteller, Play To DLNA app, Neighbor Aware Networks (NAN); Noise Filtration; Exchangeable Covers; OneDrive (30 GB cloud storage); Navigation Apps - HERE Drive+, HERE Maps, HERE Transit; Imaging Apps - Lumia Camera, Lumia Refocus, Lumia Selfie, Lumia Moments; MixRadio
2-minute Review [Positives]
  • Sleek, minimalist design with a premium touch
  • Sturdy build quality
  • Very good, bright display
  • The modern Asus ZenUI comes with interesting new features that enhance the Android experience
  • Useful "Do It Later" app
  • Decent speed/performance
  • Good camera with a nice low light mode
  • Various cloud storage services are easily accessible from the File Manager app
  • Good build quality
  • Matte finish curved back provides good grip
  • Very good display - great contrast levels, good brightness levels, and decent viewing angles
  • Slick, minimalist Windows Phone interface
  • Decent speed/performance in daily use
  • Decent camera quality in well-let conditions
  • Very good call quality
  • Very good loudspeaker
  • Very good audio quality
  • Good battery life
2-minute Review [Negatives]
  • Camera shutter is a little slow
  • No bundled headset
  • Average battery life
  • Windows Phone app ecosystem continues to lag behind Android and iOS
Expert Reviews
  1. gsmarena.com in-depth Read Review »
  2. cnet.com in-depth Read Review »
  3. techradar.com in-depth Read Review »
  4. fonearena.com in-depth Read Review »
  5. bgr.in in-depth Read Review »
  6. digitaltrends.com in-depth Read Review »
  7. trustedreviews.com in-depth Read Review »
  8. indianexpress.com in-depth Read Review »
  9. phonearena.com hands-on Read Review »
  10. gadgets.ndtv.com hands-on Read Review »
  11. tech.firstpost.com hands-on Read Review »
  1. gsmarena.com in-depth Read Review »
  2. phonearena.com in-depth Read Review »
  3. fonearena.com in-depth Read Review »
  4. digit.in in-depth Read Review »
  5. trustedreviews.com in-depth Read Review »
  6. igyaan.in in-depth Read Review »
  7. slashgear.com in-depth Read Review »
  8. gadgets.ndtv.com hands-on Read Review »
User Reviews N/A
  1. Flipkart4.1 4,166+ reviews »
  2. Amazon4.1 958+ reviews »
Official Website N/A N/A
Unofficial specs? N/A N/A
Individual Review 2
  • Individual Review 2
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