rocketpig said:
Actually, there was. There is hardware built into the 4S chipset that is specifically for noise-cancelling background noise. Siri would technically work on iPhone 4 but it won't work well (as people who have Jailbroken their iPhone 4's and used Siri can testify). The hardware doesn't meet Apple's requirements for the service. They could have put it on the device but Apple errs on the side of caution and would rather not have a feature on a device than have one that works poorly. It's not a perfect scenario but I understand their decision, though it kinda sucks for iPhone 4 owners. |
iPhone 4 CPU is ARM Cortex-A8.
iPhone 4S CPU is ARM Cortex-A9. (dual core)
Both are 800MHz with 512MB ram.
While A9 has some newer features, there are many comparisons out there that show same core/clocks speed produce very similar and in some cases better results for A8. The only real difference that clearly matters is the 2nd core. But, I am not an expert in this area and can only relate to the few forums I read and personal experience with friends. Sad.man shows one angle and I have friends with 4S and 4 with Siri and get same results. Only time 4 users had issues is when the Apple server simply didn't connect.
I realy think it was just Apple wanting people to upgrade more so than a hardware difference. After all this is the same company that instead of saying, yeah the antenna design is bad, they said no you're holding it wrong... here's a free bumper case. (even though they redesigned the Verizon version to fix the issue) Surely the 2nd core makes what is definitely a complicated app run better, but I don't think it flat out wouldn't have worked or worked noticeably worse over all.
