Any other major difference between iPhone and iPod Touch except telephone function?

Solution 1:

The differences aside from design, size, glass back cover and weight is that the iPod touch has:

1. No cellular data
2. No GPS, cell tower, or other non-WiFi Location data
3. The iPod touch is not available with a 16Gb HD, only 8, 32, or 64.
4. No Digital Compass
5. Display is not fingerprint resistant
6. Video is 720p on iPod and 1080p on iPhone
7. Still photos are .6 megapixels in the iPod and 8 megapixels on iPhone
8. No image stabilisation in video mode
9. No Siri
10. 256Mb RAM compared with 512Mb
11. £330 more in your pocket.
12. previous generation CPU (A4 vs A5)
13. less support (1 free support phone call vs 3)
14. no LED flash for camera
15. no vibration function
16. USB power adapter not included
17. headphones have no remote/mic

This compares the most upto date iPod Touch (4th gen) with the most upto date iPhone (4S) at time of writing

12-17 were added after Ken suggested more. +1 to Ken for spotting the additional differences.

Solution 2:

Graeme got most of them, but here are a couple more I've noticed about the iPod Touch:

• previous generation CPU (A4 vs A5)
• less support (1 free support phone call vs 3)
• no LED flash for camera
• no vibrator
• USB power adapter not included ($30 extra)
• headphones have no remote/mic

Solution 3:

So far, between iPhone 4 and iPod Touch the minuses (on iPod side) are:

• No phone
• No 3G/CSDMA/GPRS
• No GPS