V-Ray rendering- GPU vs. CPU

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This video shows the difference between rendering use GPU or CPU
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I still see a huge difference between CPU AND GPU ... in terms of the quality of the final rendering. With approx similar settings graphic card renders faster but the quality is less realistic. Can somebody explain this? Thanks

Sergio_director_DArtist
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is there any linear progrssion in render speed in cpu+gpu, if you have more core cpu?

vmafarah
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He have 12 threads, so it is some 6 core i7 maybe, which i have too and RTX A4000 is 20 times faster than it. RTX 2070 super is 10 times faster. He have nearly same speed so it must be something like 1-2 teraflops gpu GTX 1050 or and maybe worse or laptop version. Not good example

datupload
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Do you mind telling which gpu and cpu used here

tejasgowda
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Can you test ArnoldGPU and VrayGPU rendering faster on the same device in the same scene? thank you

wuixorew
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thank you for this display just curious what is your CPU and your GPU?
I'm reading that gpus takes longer to render and our lower quality.
I'm not sure really why anyone would choose to render with their GPU over their CPU

chocochipcookiealert
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Can you really render without a gpu on board?

roysalazar
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في فرق واضح بين اللقطتين من ناحية الاضاءة وسطوع الخامات

zaz
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It's truly insulting to see how little difference there is between CPU only and CPU+GPU rendering.

Vray could have done a better job like redshift or octane....

rudydeclarisse
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لكن بعض الريندر اليمنت مش هتتوفر مع ريندر ال gpu

ZAKarchitects
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يعطيك العافية استاذ عبد
ريندر ال GPU ممتاز بالوقت بس في مشكلة انو مافي امبينت للصورة الظلال فيها مشكلة
الخامات غير مشبعة لونيا
وفي ضياع بالتفصيل مثال: ان كان في كورنيش وعليه زخرفة
على عكس CPU
يرجى توضيح المشكلة عن طريق فيديو يعكس اعدادت CPU وتطبيق نفسها على GPU

symmetricaldesign