I am little bit confused here so decided to ask someone who knows more about D5 video rendering
I have bought D5 recently and tried my first of exterior scene video export in 1080p. See it in link to Youtube - it
s just rough export, no post but it doesnt matter now. It looks quite nice, but there some artifacts, noise from denoising and maybe antialising, but mainly it should be higher resolution to look nice.
So I tried to export 4K and went home. I was really surprised that first clip which has 15 seconds is still rendering. It finaly finished after 14 h 30 minutes! Just 15 seconds…
So a bit of info and numbers:
i7-9700-8 cores, 3.0GHz
RTX 2070 8GB
Render photo 1080p = about 3 minutes (180 secs/frame)
Render photo 4K = about 6 minutes (360 secs/frame)
Render video 1080p, 15 secs = 90min. (12 secs/frame)
Render video 4K, 15 secs = 14h. 40min. (117 secs/frame)
Yeah - that 4K looks beatifull - no artifacts great quality, but…I know the theory and rendering basics in ray tracing, that if I double resolution then render time is 4 times higher. It works like that offline renderers.
But see difference between 1080p and 4K render per frame almost 10x higher??? Why is that?
I was used to Twinmotion for making videos, but stability is terrible so I switched. D5 is great, but rendering video like 4K for so long is too much for me. TM had like 10-12 seconds per frame on 4K. I know that it has lower quality, no ray tracing, but it was not so bad. Clients were happy with that result.
Is there a way to speed up D5 ?
Boost quality (noise issues) on 2K video export ?
Tune down setting to render in 4K but lower ray tracing quality to speed it up?
Post process 2K video?
And above all, are my render times on my machine and RTX 2070 OK for this kind of scene? There is lot of vegetation and lot of trees also in other parts of scene. Does removing trees, grass which are not visible help to improve time, or is D5 culling them of somehow? What about DLSS, does it even work on export?
Hope for advices and more info to understand D5 rendering process more. Thank You guys for the good work on the software.