superchunk said:
iPhone 4 CPU is ARM Cortex-A8. 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. |
Well, that's the thing with noise-cancellation... If there's no noise to cancel, they'll probably work pretty close to the same. It has nothing to do with the processors, it's the additional hardware on the chip that handles the noise cancellation (can't remember the name of the hardware right now... Ear-something, I think).
Apple certainly doesn't want to have too much overlap on a $100 phone versus a $200 phone, I'm certain of that. But in this case, I think it's fair to say there's also a hardware issue to consider. After all, Apple hasn't brought Siri to any device that doesn't have that noise cancellation hardware. Obviously, they feel the service wouldn't be up to their standard or we would have seen the service on the iPad 2 last year, as it was the most current hardware available at the time.
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