# Path Tracing : AMA June 6, 2023

**URL:** https://forums.developer.nvidia.com/c/blogs-events/connect-with-experts/path-tracing-ama/658.md

[Latest](https://forums.developer.nvidia.com/latest.md) · [Categories](https://forums.developer.nvidia.com/categories.md) · [Tags](https://forums.developer.nvidia.com/tags.md)

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## [Unleashing the Power of RTX Path Tracing : AMA June 6, 2023](https://forums.developer.nvidia.com/t/unleashing-the-power-of-rtx-path-tracing-ama-june-6-2023/252785)

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**Author:** [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\
**Replies:** 0\
**Last updated:** [May 9, 2023, 7:02pm UTC](https://forums.developer.nvidia.com/t/unleashing-the-power-of-rtx-path-tracing-ama-june-6-2023/252785 "2023-05-09T19:02:24Z")

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Unleashing the Power of RTX Path Tracing Join this Ask Me Anything to see how you can use NVIDIA RTX™ Path Tracing to accurately recreate the physics of all light sources in a scene, reproducing what the eye sees in rea…

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## [Thank you for joining us for our Path Tracing AMA - we appreciate all the questions!](https://forums.developer.nvidia.com/t/thank-you-for-joining-us-for-our-path-tracing-ama-we-appreciate-all-the-questions/255768)

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**Author:** [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 5:04pm UTC](https://forums.developer.nvidia.com/t/thank-you-for-joining-us-for-our-path-tracing-ama-we-appreciate-all-the-questions/255768 "2023-06-06T17:04:43Z")

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Thanks for joining us for this AMA

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## [Path tracing vs ray tracing?](https://forums.developer.nvidia.com/t/path-tracing-vs-ray-tracing/255762)

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**Author:** [@UncleHope](https://forums.developer.nvidia.com/u/UncleHope)\
**Replies:** 2\
**Last updated:** [June 6, 2023, 4:56pm UTC](https://forums.developer.nvidia.com/t/path-tracing-vs-ray-tracing/255762 "2023-06-06T16:56:22Z")

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What is actually the difference between path tracing and ray tracing? Mostly they seem to be the same?

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## [What short-cuts are needed for real-time path tracing?](https://forums.developer.nvidia.com/t/what-short-cuts-are-needed-for-real-time-path-tracing/255767)

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**Author:** [@UncleHope](https://forums.developer.nvidia.com/u/UncleHope)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:51pm UTC](https://forums.developer.nvidia.com/t/what-short-cuts-are-needed-for-real-time-path-tracing/255767 "2023-06-06T16:51:30Z")

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The movie industry uses render farms for this level of realism, so you must cut corners to make real-time path tracing a thing, right?

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## [Bring on your questions - we have Oli Wright and Filip Strugar live answering questions](https://forums.developer.nvidia.com/t/bring-on-your-questions-we-have-oli-wright-and-filip-strugar-live-answering-questions/255766)

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**Author:** [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\
**Replies:** 0\
**Last updated:** [June 6, 2023, 4:46pm UTC](https://forums.developer.nvidia.com/t/bring-on-your-questions-we-have-oli-wright-and-filip-strugar-live-answering-questions/255766 "2023-06-06T16:46:11Z")

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Another 15mins left

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## [How do DLSS and SER fit in with path tracing?](https://forums.developer.nvidia.com/t/how-do-dlss-and-ser-fit-in-with-path-tracing/255765)

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**Author:** [@UncleHope](https://forums.developer.nvidia.com/u/UncleHope)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:42pm UTC](https://forums.developer.nvidia.com/t/how-do-dlss-and-ser-fit-in-with-path-tracing/255765 "2023-06-06T16:42:29Z")

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On your path-tracing developer page you list e.g. DLSS and SER as part of the “RTX Path Tracing core technologies”. How are they connected to path tracing?

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## [Favorite Path tracing color?](https://forums.developer.nvidia.com/t/favorite-path-tracing-color/255764)

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**Author:** [@dfarout](https://forums.developer.nvidia.com/u/dfarout)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:37pm UTC](https://forums.developer.nvidia.com/t/favorite-path-tracing-color/255764 "2023-06-06T16:37:36Z")

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What’s your favorite path tracing color?

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## [RTX Path Tracing SDK Multi-GPU support?](https://forums.developer.nvidia.com/t/rtx-path-tracing-sdk-multi-gpu-support/254592)

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**Author:** [@Sephiroth\_FF](https://forums.developer.nvidia.com/u/Sephiroth_FF)\
**Replies:** 2\
**Last updated:** [June 6, 2023, 4:30pm UTC](https://forums.developer.nvidia.com/t/rtx-path-tracing-sdk-multi-gpu-support/254592 "2023-06-06T16:30:15Z")

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Hi, I was wandering if there are any plan to add support for DirectX 12 explicit multi-GPU support to the RTX Path Tracing SDK. To my knowledge, the only mGPU capable real-time raytracing and real-time path tracing engin…

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## [Tell us what new features you would like to see](https://forums.developer.nvidia.com/t/tell-us-what-new-features-you-would-like-to-see/255761)

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**Author:** [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\
**Replies:** 0\
**Last updated:** [June 6, 2023, 4:23pm UTC](https://forums.developer.nvidia.com/t/tell-us-what-new-features-you-would-like-to-see/255761 "2023-06-06T16:23:27Z")

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You are invited to tell us what what kind of new features you would like to see.

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## [Lower End Hardware?](https://forums.developer.nvidia.com/t/lower-end-hardware/255760)

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**Author:** [@phils400040](https://forums.developer.nvidia.com/u/phils400040)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:20pm UTC](https://forums.developer.nvidia.com/t/lower-end-hardware/255760 "2023-06-06T16:20:11Z")

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What ongoing work is NVIDIA looking into to make path tracing possible on lower spec hardware?

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## [What options do I have to get path tracing in my application in UE5?](https://forums.developer.nvidia.com/t/what-options-do-i-have-to-get-path-tracing-in-my-application-in-ue5/255759)

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**Author:** [@dfarout](https://forums.developer.nvidia.com/u/dfarout)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:14pm UTC](https://forums.developer.nvidia.com/t/what-options-do-i-have-to-get-path-tracing-in-my-application-in-ue5/255759 "2023-06-06T16:14:42Z")

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What options do I have to get path tracing in my application in UE5?

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## [Will PT SDK support Subsurface scattering for human skins?](https://forums.developer.nvidia.com/t/will-pt-sdk-support-subsurface-scattering-for-human-skins/255741)

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**Author:** [@weienchen](https://forums.developer.nvidia.com/u/weienchen)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:12pm UTC](https://forums.developer.nvidia.com/t/will-pt-sdk-support-subsurface-scattering-for-human-skins/255741 "2023-06-06T16:12:10Z")

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Will PT SDK support Subsurface scattering for human skins? if yes, in realtime mode or in reference mode?

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## [AAA games using Path Tracing](https://forums.developer.nvidia.com/t/aaa-games-using-path-tracing/255757)

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**Author:** [@dfarout](https://forums.developer.nvidia.com/u/dfarout)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:08pm UTC](https://forums.developer.nvidia.com/t/aaa-games-using-path-tracing/255757 "2023-06-06T16:08:26Z")

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Can I check out some AAA games using Path Tracing today outside of Cyberpunk?

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## [Please note we can not comment on unannouced features](https://forums.developer.nvidia.com/t/please-note-we-can-not-comment-on-unannouced-features/255758)

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**Author:** [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\
**Replies:** 0\
**Last updated:** [June 6, 2023, 4:06pm UTC](https://forums.developer.nvidia.com/t/please-note-we-can-not-comment-on-unannouced-features/255758 "2023-06-06T16:06:21Z")

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Thanks for your understanding

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## [Is there a sample of PT-SDK with blendshape animation?](https://forums.developer.nvidia.com/t/is-there-a-sample-of-pt-sdk-with-blendshape-animation/255742)

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**Author:** [@weienchen](https://forums.developer.nvidia.com/u/weienchen)\
**Replies:** 1\
**Last updated:** [June 6, 2023, 4:02pm UTC](https://forums.developer.nvidia.com/t/is-there-a-sample-of-pt-sdk-with-blendshape-animation/255742 "2023-06-06T16:02:03Z")

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the sample code shows how to integrate PT sdk with skeleton animation, is there a sample showing PT sdk with blendshape animation?
