At first glance, the iPad 2, iPhone 4S, iPhone 4, and iPod touch may look very similar to each other. After all, they use the same operating system, run the same apps, and look like larger and smaller versions of each other. But are they really the same?
A close look at the hardware and software features of each device reveals them to be very different indeed. One is a phone, the others aren't. One offers a big screen, the others are palm-sized.
The chart below shows how these three devices stack up against each other in terms of hardware and software features.
You may also want to see how the devices compare in terms of long-term costs.
Comparing Features: iPad 2, iPhone 4S, iPhone 4, and iPod touch
| iPad 2 | iPhone 4S | iPhone 4 | 4th Gen. iPod touch | |
| review | review | TBD | 4 stars | 4.5 stars |
| capacity | 16 GB, 32 GB, 64 GB | 16 GB, 32 GB, 64 GB | 8 GB | 8 GB, 32 GB, 64 GB |
| screen size/ resolution |
9.7 inches/ 1024 x 768 |
3.5 inches/ 960 x 480 |
3.5 inches/ 960 x 480 |
3.5 inches/ 960 x 480 |
| GPS | Yes (limited on Wi-Fi-only models) |
Yes (Assisted GPS) |
Yes (Assisted GPS) |
No |
| battery life (in hours) | 10 | 8 talk/ 9 Wi-Fi 10 video/ 40 audio |
10 talk/ 10 Wi-Fi 10 video/ 40 audio |
up to 7 video/ 40 audio |
| networking | Wi-Fi, 3G on some models |
Wi-Fi/3G/EDGE | Wi-Fi/3G/EDGE | Wi-Fi |
| bluetooth | Yes | Yes | Yes | Yes |
| camera | 2 cameras, 720p HD recording & VGA |
2 cameras 8 megapixel & 1080p HD video |
2 cameras 5 megapixel & 720p HD video |
2 cameras with 720p recording |
| FaceTime | Yes | Yes | Yes | Yes |
| video out to TV | Yes, 1080p HD | Yes, 720p | No | Yes |
| Siri | No | Yes | No | No |
| phone | No | Yes | Yes | No |
| size (in inches) | 9.5 x 7.31 x 0.34 | 4.5 x 2.31 x 0.37 | 4.51 x 2.31 x 0.37 | 4.4 x 2.3 x 0.28 |
| weight (in pounds) | 1.3 (1.34-1.35 on 3G models) | 0.31 | 0.3 | 0.22 |
| price | $499 - $829 | $199-$399 | $99 | $229 - $399 |
| buying | compare prices | coming soon | compare prices | compare prices |
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