iPhone evolution: The journey to the iPhone 5

The pioneering iPhone has each year pushed its hardware capabilities forward to what it has become today

The path to the iPhone 5

The path to the iPhone 5

At the Macworld Expo on Jan. 9, 2007, then-CEO Steve Jobs announced the first Apple iPhone. Apple fans were delighted, but most everyone else was skeptical. Since then, the iPhone has upended and redefined the mobile market, thanks to a relentless series of improved models, with the new iPhone 5 as the latest example. Take a tour of each generation of iPhone and the capabilities it has brought to the mix.

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iPhone processors

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 5: 1GHz Apple A6

iPhone touchscreens

iPhone touchscreens

iPhone: 3.5 inches diagonally, 320 by 480 pixels, 3:4 ratio
iPhone 3G: 3.5 inches diagonally, 320 by 480 pixels, 3:4 ratio
iPhone 3G S: 3.5 inches diagonally, 320 by 480 pixels, 3:4 ratio
iPhone 4: 3.5 inches diagonally, 640 by 960 pixels (Retina display), 3:4 ratio
iPhone 4S: 3.5 inches diagonally, 640 by 960 pixels (Retina display), 3:4 ratio
iPhone 5: 4.0 inches diagonally, 640 by 1,136 pixels (Retina display), 9:16 ratio

iPhone radios

iPhone radios

iPhone: 2.5G GSM cellular, 2.4GHz Wi-Fi, Bluetooth 2.0
iPhone 3G: 3G GSM cellular, 2.4GHz Wi-Fi, Bluetooth 2.0 + EDR
iPhone 3G S: 3G GSM cellular, 2.4GHz Wi-Fi, Bluetooth 2.1 + EDR
iPhone 4: 3G GSM or CDMA cellular, 2.4GHz Wi-Fi, Bluetooth 2.1 + EDR
iPhone 4S: 3G GSM and CDMA cellular, 2.4GHz Wi-Fi, Bluetooth 4.0
iPhone 5: LTE and 3G GSM and CDMA cellular, 2.4GHz and 5GHz Wi-Fi, Bluetooth 4.0

iPhone cameras

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 5: 8-megapixel; still-and-video (1080p) rear camera with autozoom, autofocus, LED flash, IR filter, image stabilizer, background light, noise reduction, precision lens; 1.2-megapixel (720p), still-and-video front camera

iPhone sensors

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 5: Gyroscope, noise cancellation, compass, accelerometer, proximity, ambient light, 3-point microphone

iPhone dimensions and materials

iPhone: 4.8 ounces, 0.48 inch thick, steel and plastic shell, 30-pin dock connector
iPhone 3G: 4.7 ounces, 0.48 inch thick, plastic shell, 30-pin dock connector
iPhone 3G S: 4.8 ounces, 0.48 inch thick, plastic shell, 30-pin dock connector
iPhone 4: 4.8 ounces, 0.37 inch thick, steel and glass shell, 30-pin dock connector
iPhone 4S: 4.8 ounces, 0.37 inch thick, steel and glass shell, 30-pin dock connector
iPhone 5: 4.2 ounces, 0.30 inch thick, aluminum and glass shell, Lightning dock connector

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 5: 512MB of RAM; 16GB, 32GB, and 64GB flash storage