12.10 64bit should be your choice.
hard to say which one is better. depends what you are trying to acomplish. and what you would like to have.
+ newer kernel (means better support for new hardware, also newer drivers included). your CPU and GPU chip is quite new on the market i believe.
+ newer programmes
+ new features
+ improved interface
- stability maybe (for some it is working very well) not as good as in 12.04
- no unity 2D, fallback mode not as good.
+ five year support (until 2017) with security updates and big fixes
+ better stability of the OS
+ various good fallback modes (gnome fallback, unity 2D)
- older kernel (=older drivers)
- older versions of programmes
a big difference. There are no apps that will only install on a 32-bit system that I'm aware of, and I've been running 64-bit for years. There used to be a few (eg: Flash), but those days are long-gone. It really is trouble-free these days, I recommend anyone who can runs 64-bit. The amount of RAM you have is immaterial. I have 4GB of RAM, and have been running 64-bit ever since my system only had 2GB.
Embrace the 64-bit, it's lovely ;)
by having 4GB RAM I meant that 32 bit can use upto 4GB RAM to use RAM more than 4GB 64 bit is necessary.
regarding apps support 32bit only I was about to say android sdk :P but I checked and now they are also in 64 bit :P, but to install latest ATI driver we must have 32 bit libraries :KS
Anyway 64 bit is obviously better than 32 bit in many aspects so no point of discussion here. He can use 32 or 64 as per his choice :)
with PAE kernel you can go up to 64GB RAM.
regular 64bit kernel goes up to (theoretically) 256TB RAM
Moved to Recurring Discussions.