Originally Posted by RainMotorsports
Originally Posted by FourDoor
Thanks. My current RAW files are only around 18mb each right now. A typical shoot yields less than a 100 pics for me that need to be batched white balanced together during import. So it will be less than 2GB that will be processed at the same time. More than likely, it will be batched processed in 2 or 3 different groups so it looks like I'll be more than OK with PS and 8GB of RAM. The out of the norm shoots that will fill up 16GB cards too will be batched processed in sections so it's not like all 16GB will be loaded in memory all at once.
Well remember the images are decompressed into memory so an 18mb picture is MUCH larger than 18 MB raw's are losslessy compressed. For 12 Mp probably expecting 36 to 72 mb an image in memory depending on if your working in 8 bit editing mode or 16.
I got my 16GB Corsair 1600 because it was 100 bucks and ive seen 8 in use when using Adobe Media Encoder but cant say I bother checking for anything else since i at this point never have to worry.
FourDoor: You're going to be fine with 8 GB then and have no real need for 16 GB, thus, you should get the highest performance 8 GB (2 x 4 GB) package that your motherboard lists on the vendor hardware qualified list (with whichever BIOS version they state as being preferred) and stick with that. Memory timings aren't quite as important as memory frequency, so don't stress OCing your memory or goofing too much with your timings. 8 GB of 1833 or fast 1600 will out-perform any 16 GB solution that's anywhere near the same price range.
RainMotorSports: Yeah, even in a 18 MB RAW format opened in Photoshop, he's going to have to do a great deal of multiple file crunching to use up the full 6.X GB that Photoshop will reserve for system use.
Media Encoder is a different story. If FourDoor had said that he was doing heavy video encoding work then I'd be suggesting that he take a serious look at his memory use and that 16 GB may be called for in some cases of video editing and encoding. However, many of the Adobe products will gobble up as much memory as you allow them to; if you were to install 128 GB of RAM in a 64 bit OS then Photoshop will happily reserve 70% of that for image processing. (LOL)
It has been my experience that > 8 GB of RAM is useful if you're using Maya, 3DSMax, CAD/CAM software, some types of high-demand video encoding, SolidWorks, running a database server, or editing GB+ (or even TB+) satellite images. Obviously, it can be important in an enterprise environment for any number of purposes.
For the majority of gamers and enthusiasts, those who chose 16 GB over 8 GB did so because they got a good deal on the 16 GB package for just a few bucks more (good marketing), because the number looked bigger and seemed more impressive to post in their system signature (good marketing), or because their friends or other folks on the internet thought that it was necessary (thanks to good marketing) and talked them into it. Some gamers did so because they fall into the category where they frequently use 7.2 to 8.0+ GB of RAM and thus a 8 GB solution was not practical and in a dual-channel environment the next logical jump is 16 GB, which may be overkill for them, but it's the smallest that meets their needs. Those folks in that category should probably have chosen a triple-channel motherboard and gone with 12 GB of RAM, unless they're actually using 10.8 GB+ of memory, in which case fully populating dual-channel at 16 GB is probably better than fully populating triple-channel at 24 GB. This is because, if you have a triple-channel board, that's an entirely different story, as you're going to want to have 3 DIMMs installed and you're going to end up with 3 GB (3x 1 GB) , 6 GB (3x 2 GB), or 12 GB (3x 4 GB) installed for the best throughput.
In my case, 6 GB would be perfect for the type of gaming and general application work that I do on my PC, as I would almost never need to dip into a page file and my maximum memory use is right around 5.6 GB. However, as I'm dual-channel, 4 GB meant that I'd be thrashing on my HDD fairly often and 8 GB meant that I'd never need to dip into my pagefile. Thus, 8 GB is my sweet spot for performance on a more standard dual-channel board.