5 years of iPhone: Evolution of a game-changer
By Galen Gruman,
InfoWorld |
Jan 10, 2012 6:00 AM
PT
It was just five years ago that Steve Jobs announced the iPhone, which despite early criticisms came to redefine mobile computing
The iPhone's evolution: 2007 to 2011
At the Macworld Expo on Jan. 9, 2007, then-CEO Steve Jobs announced the first iPhone. Apple fans were delighted, but most everyone else was skeptical. Five years late, the iPhone has upended and redefined the mobile market, thanks to a relentless series of improved models. Take a tour of each generation of iPhone and the capabilities it has brought to the mix: the processors, storage capacity, touchscreens, sensors, and more.
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iPhone processors
- • iPhone: 412MHz Samsung 1176
- • iPhone 3G: 412MHz Samsung 1176
- • iPhone 3G S: 600MHz Samsung Cortex-A8
- • iPhone 4: 800MHz Apple A4
- • iPhone 4S: 800MHz Apple A5
iPhone cameras
- • iPhone: 2-megapixel, still-only rear camera
- • iPhone 3G: 2-megapixel, still-only rear camera
- • iPhone 3G S: 3-megapixel, still-and-video rear camera, with autozoom and autofocus
- • iPhone 4: 5-megapixel, still-and-video (720p) rear camera, with autozoom, autofocus, and LED flash; 0.7-megapixel, still-and-video front camera
- • iPhone 4S: 8-megapixel, still-and-video (1080p) rear camera, with autozoom, autofocus, LED flash, IR filter, and image stabilizer; 0.7-megapixel, still-and-video front camera
iPhone storage capacity
- • iPhone: 128MB of RAM; 4GB, 8GB, and 16GB flash storage
- • iPhone 3G: 128MB of RAM; 8GB and 16GB flash storage
- • iPhone 3G S: 256MB of RAM; 8GB, 16GB, and 32GB flash storage
- • iPhone 4: 512MB of RAM; 16GB and 32GB flash storage
- • iPhone 4S: 512MB of RAM; 16GB, 32GB, and 64GB flash storage
iPhone touchscreens
- • iPhone: 3.5 inches diagonally, 320 by 480 pixels
- • iPhone 3.5 inches diagonally, 320 by 480 pixels
- • iPhone 3.5 inches diagonally, 320 by 480 pixels
- • iPhone 4: 3.5 inches diagonally, 640 by 960 pixels (Retina display)
- • iPhone 4S: 3.5 inches diagonally, 640 by 960 pixels (Retina display)
iPhone sensors
- • iPhone: Accelerometer, proximity, ambient light, microphone
- • iPhone 3G: Accelerometer, proximity, ambient light, microphone
- • iPhone 3G S: Compass, accelerometer, proximity, ambient light, microphone
- • iPhone 4: Gyroscope, noise cancellation, compass, accelerometer, proximity, ambient light, microphone
- • iPhone 4S: Gyroscope, noise cancellation, compass, accelerometer, proximity, ambient light, microphone
iPhone dimensions and materials
- • iPhone: 4.8 ounces, 0.48 inch thick, aluminum and plastic shell
- • iPhone 3G: 4.7 ounces, 0.48 inch thick, plastic shell
- • iPhone 3G S: 4.8 ounces, 0.48 inch thick, plastic shell
- • iPhone 4: 4.8 ounces, 0.37 inch thick, aluminum and glass shell
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