GPU card is now about 3 years old but still works quite well.
Render times:
GPU
192x216: 1m 28s
512X512 : 1m 21s
1024x1024: 2m something (stopped it at 2m mark)
CPU
192x216: 4m 32s
I didnt bother trying any other times as 1m 21s seemed to be the quickest and that will be good enough for now.
Hi Daniel, i would like to compare my i7-3770K@4.2 with your new and shiny i7-6700K@4 .Would you please do the CPU render test with 8x8, 16x16, 32x32 setups? Thanks!
Sorry Richard, been a while since i have been on here.
Just got a new MSI 1080ti Gaming X card. 
Here are the CPU renders you were requesting
CPU
3232 = 3m55s
1616 = 3m55s
8*8 = 3m45s
And just for reference, my new GPU times
512512 = 43s
192216 = 47s
256256 = 46s
128128 = 1m10s
64*64 = 2m46s
Thank you Daniel and congratulations for the new monster 
very nice rendertimes!