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Compare the iPhone 4 vs. the iPhone 3GS

Price

 $199 for 16 GB, $299 for 32 GB $99 for 8 GB

Display
  • High-resolution Retina display
  • 960-by-640 resolution
  • 326 ppi
  • Multi-Touch
  • 480-by-320 resolution
  • 163 ppi
  • Multi-Touch

Video Calling

 yes no

Camera
  • 5 megapixels
  • LED flash
  • Backside illumination sensor
  • Autofocus
  • Tap to focus
Front camera with VGA resolution
  • 3 megapixels
  • Autofocus
  • Tap to focus

Video
Recording
  • HD video recording
  • Tap to focus while recording
  • LED light
  • VGA video recording
  • Tap to focus while recording

High
Technology
  • Multi-Touch
  • 802.11b/g/n Wi-Fi3
  • 7.2Mbps HSDPA
  • 5.8Mbps HSUPA
  • GPS
  • Accelerometer
  • 3-axis gyro
  • Apple A4 processor
  • Dual-mic noise suppression
  • Multi-Touch
  • 802.11b/g Wi-Fi
  • 7.2Mbps HSDPA
  • GPS
  • Accelerometer

Battery life

Talk time:
Up to 7 hours on 3G;
up to 14 hours on 2G

Standby time:
Up to 300 hours

Internet use:
Up to 6 hours on 3G;
up to 10 hours on Wi-Fi

Audio playback:
Up to 40 hours

Video playback:
Up to 10 hours

Talk time:
Up to 5 hours on 3G;
up to 12 hours on 2G

Standby time:
Up to 300 hours

Internet use:
Up to 5 hours on 3G;
up to 9 hours on Wi-Fi

Audio playback:
Up to 30 hours

Video playback:
Up to 10 hours
Source: Apple