Wait what..? iOS does not crash apps the process sleeps. That's how they open quickly (resume) and consume very little RAM while they aren't active. Technically multiple processes are running, just not the same way they do on a desktop. From a user perspective, unless you can have two active windows there really isn't much difference between sleep/resume and true multitasking. And no, 64bit isn't just about RAM limits. Read up on the difference in registers and you'll see a lot of ways apps can optimize for the chipset that have nothing to do with RAM.
If apps crashed, your process list would be empty except the homescreen and your active app. Check your list on any version of iOS and you'll see every app you've launched since the phone was last rebooted. Obviously that doesn't fit your description of how iOS handles tasks.
Well it pauses those apps then or did until iOS7 bt I read somewhere once it crashed the app, it didn't update the data in the apps in the background so not multitasking at all. iOS7 does do this, Android has done it for ages.
And maybe 64bit does give a boost, but it's still restricted by tiny RAM limits, 32bit goes up to 4GB from what I've read, 64bit addresses this limitation but it's pointless if Apple only use 1gb still, and sure most would agree that you need RAM to show more then one app on the screen at once like Samsung do.
A single window environment does not need true multitasking. Until iOS allows two active apps sleep/resume yields better performance. With sleep/resume, all sleeping processes consume maybe 10% of the devices RAM combined. That leaves 90% available to the single active application. On Android, every app that runs background tasks eats away at your available RAM. Touchwiz uses more than 1/2 a devices RAM on it's own, that's with your phone idle at the homescreen. When you combine higher OS requirements and allow 3rd party apps to run in the background you'll see a large portion of available RAM is being used by things you can't even see (non-active apps). That's why Android needs more RAM to do the same thing iOS does. Is it more capable? Yes true multitasking is, but how often do you have or need split/screen apps on your phone? If the answer is never or rarely, iOS's memory management is better for your needs. If the answer is often, then Android is better. On a Phone I can't think of a reason multitasking will ever be necessary, but on an tablet I see value in split screen.
You seem to have forgotten about the iPad in that entire paragraph above, are you saying no one would want 2 or more apps on a 10" tablet screen? Like the Samsung devices, I say Samsung as they are the only ones out the box that can do it, what if Apple launch a 12" 'Pro' iPad but it still only shows one app at a time, it would look pretty underpowered next to the Galaxy Pro 12".
Also, my Nexus 5 only has 2GB of ram, not 20, and it never slows down no matter how many apps are running, so it shows it handles memory and multitasking better than iOS does, Kitkat also uses smaller memory footprints than before.
Sorry but that is wrong. Read any benchmarks and you'll see the A7 is considerably faster at complex operations, especially math heavy algorithms. Video editing, 3D modeling, games, etc. Infinity Blade is a good example of a game optimized for the A7. Here's a quote from Epic Games Donald Mustard:
Well, games rely on the GPU as much as the CPU, and no it is not much faster in real life, also so what, Infinity Blade runs on the Unreal Engine 3 which Android devices run perfectly happily.
What are you going to say once the K1 hits and runs Unreal Engine 4 games? No as I stated in real life use it makes no difference, benchmarks are pointless, especially synthetic ones.
