SD40Aus
I have a spare GTX750TI if you want it and I'll post it to you gratis if you send me a PM with your postal address (I live in OZ too).
This is a $350 card - see if it performs any better than a $200 one.
You definitely need to increase your RAM to at least 8GB - on my rigs Windows 10 Pro 64-bit uses a baseline 2.4GB on its own, - and on some routes/scenarios TS2016 uses another nearly 4GB - 6.4GB total - (which means that even with 8GB RAM installed Windows will still need to use the very slow Paging File to swap out code - that's why 16GB is an even better option). Now if you have a low RAM install, eg 4GB it could mean that you have very little left for the TS2016 working set to access - major slow downs. With high RAM install it does not matter what resources windows uses in the background, MSE, Updates, etc , they are all taken care of, as if set up correctly their use of cpu resources is not significant.
Do I still see stutters - Yes and No. On some routes I see none or very few but on other routes I see a fair few (WCML Trent), but they are usually at tile boundaries and are well known (Just out of Philly on the NEC at the 50mph speed marker is the "longest" one that I know). Does a SSD make a difference -YES - well if the stutter is due to the fact that the OS/VAS has not loaded the code needed by the cpu and it has to be fetched from the HDD, if you use a SSD the slowest SSD will retrieve the data around 40 x faster than a HDD, making many "stutters" imperceptible. So a 1 second stutter drops to around 1/40th of a second.
All my rigs are balanced from psu, mainboard, cooling, case, cpu, RAM, Video card, SSD's, but the cheapest and slowest does not perform as well as the more potent one. In computing you get what you pay for.
"Aussie Aussie Aussie, Oi Oi Oi"
pH