My predictions
Predictions will finalize 5 days before the event or 24 hours after the invitations come out, whichever is earlier. Afterwards I will make a new prediction post.
I will decide on Scenario 1 or Scenario 2 closer to the rumored announcement of the iPad Air 2.
iPad Air scenario 1:
- 9.7" 2048x1536 display
- Ion-X glass
- A8* SoC, with the CPU clocked slightly higher than any A8 in the iPhone 6/6+ and iPad mini (see below)
- 2 GB RAM
- 16/64/128 GB storage options
- Touch ID
- Same prices as the current iPad Air
- The 16 GB A7 iPad Air will replace the current A6X iPad
iPad Air scenario 2:
- 9.7" 2048x1536 display
- Ion-X glass
- A8* SoC, with the CPU clocked slightly higher than any A8 in the iPhone 6/6+ and iPad mini (see below)
- 2 GB RAM
- 16/64/128 GB storage options
- Touch ID
- Same prices as the current iPad Air
- The current A6X iPad will remain for now
iPad mini scenario 1:
- 7.9" 2048x1536 display
- Ion-X glass
- A8 SoC, clocked the same as the A8 in the iPhone 6
- 1 GB RAM, 2 GB if split-screen multitasking for iOS is introduced
- 16/64/128 GB storage options
- Touch ID
- Same prices as the current iPad mini
- The 16 GB A7 iPad mini will replace the A5 iPad mini
iPad mini scenario 2:
- No iPad mini update in 2014, except for possible price reductions and/or elimination of models (like the 32 GB)
Retina iMac:
- 27" Retina iMac with a 5120x2880 panel resolution
- Haswell refresh CPUs
- The Retina iMac will have AMD graphics with a custom part name (like the Mac Pro's Dx00's)
Other:
- The other iMacs, except the cheapest one, will get small updates with Haswell refresh CPUs
- Mac mini update with Haswell
- Yosemite release on the day of the event
- iLife and iWork (desktop) updates
- iWork for iCloud goes out of beta
* I also predict that an iPad "Pro" will have an A8X** if an iPad Pro exists and is released before Q3 2015. However,
commander.data at Beyond3D pointed out to me that an iPad Pro probably won't sell in large enough numbers to warrant a separate chip. So I think that if an iPad Pro exists and gets an A8X, then some iPad Air will also get an A8X, probably not the 2014 one, but maybe an update in 2015 H1. Of course, this A8X may be different from an A8X for the iPad Pro in the case that only the Pro gets an A8X. [Explanation: Compared to an A8X for only the Pro, an A8X for the Air and Pro has to deal with the most likely lower power requirements for the iPad Air, and so part of its design could take that into account.]
** Here I use "A8X" to refer to any chip with the same CPU microarchitecture and GPU family as the A8 but with more CPU or GPU cores, even if the resulting chip is not actually called the A8X when announced. I expect all A8 variants in iDevices to have 2 CPU cores though.