Since SLI is dead, what about using RTX 3080 + 2080Ti or 1080Ti GPU extra second to solve PhysX could help?

[Alan Mattano]

My name is Alan and I'm indie game developer.

I need extra extra juice for making my game.

Since SLI is dead , using your new RTX 3080 + 2080Ti or 1080Ti GPU solve PhysX could help?

Can LTT team make a test for example using the 3080 and 2080Ti(for PhysX) in Microsoft Flight Simulator and 4K.

If is still possible that!

THx

 

[Skiiwee29]

PhysX was declared dead and tested dead long long ago...

 

 

 

[Shimejii]

This hasnt been the case for almost 5 years afaik

[Jurrunio]

If you would develop a game that actually uses PhysX in a meaningful way, we would be very grateful

[eeeee1]

then as a game maker, why dont you take some more lookings and readings in the 3090 or quadro area? maybe  you fill find what you want there

[Alan Mattano]

Not really: all games that relay on Unity and Unreal are using PhysX under the hood.

Look: https://docs.unity3d.com/Manual/PhysicsSection.html

Depaend on the amount and type of colliders, type and amount of joints, particles with special properties if interact as colliders, amount of dynamic rigid bodies objects, static objects geometry, amount of triangles of custom colliders, etc.

Also Havok Physics is using PhysX under the hood and they improve it some how. So I presume almost all most popular games today are using it.

Well I also test in my game several times joints and turns out that DirectX some how PhysX . I'mean Nvidia cards are more stable using joints (RAD, Unreal, Cry and Unity) than ATI cards for some reason. Solves better and i presume detect better collision too. I'm shore of this for the GTX 460 era and later and HD7990 era. You can make a test using a configurable joints.

 

[Alan Mattano]

20 minutes ago, eeeee1 said:

then as a game maker, why dont you take some more lookings and readings in the 3090 or quadro area? maybe  you fill find what you want there

I'm coming from there and

Because Linus Tech Tips has the actual 3080 card! and can run a test. 

[eeeee1]

1 minute ago, Alan Mattano said:

I'm coming from there and

Because Linus Tech Tips has the actual 3080 card! and can run a test. 

but the 3080 is only the flagship. it is still supposedly "higher" than the 3080. think the 3090 as the Titan card. It should offer better performance and has more VRAM. also I think the 3090 launches earlier. and so what if they have a lower tier card if you can get your hands on a higher one?

[BlazerBuddy]

6 minutes ago, eeeee1 said:

but the 3080 is only the flagship. it is still supposedly "higher" than the 3080. think the 3090 as the Titan card. It should offer better performance and has more VRAM. also I think the 3090 launches earlier. and so what if they have a lower tier card if you can get your hands on a higher one?

3090 launches August 24th, 3080 launches August 14th.

[Jurrunio]

22 minutes ago, Alan Mattano said:

Not really: all games that relay on Unity and Unreal are using PhysX under the hood.

Look: https://docs.unity3d.com/Manual/PhysicsSection.html

Depaend on the amount and type of colliders, type and amount of joints, particles with special properties if interact as colliders, amount of dynamic rigid bodies objects, static objects geometry, amount of triangles of custom colliders, etc.

Also Havok Physics is using PhysX under the hood and they improve it some how. So I presume almost all most popular games today are using it.

Well I also test in my game several times joints and turns out that DirectX some how PhysX . I'mean Nvidia cards are more stable using joints (RAD, Unreal, Cry and Unity) than ATI cards for some reason. Solves better and i presume detect better collision too. I'm shore of this for the GTX 460 era and later and HD7990 era. You can make a test using a configurable joints.

 

We're talking about GPU based PhysX operations here. These days PhysX runs on CPU regardless of GPU you have, it's more like a physics library than an Nvidia feature at this point. Until Radeon cards get hardware support for PhysX I dont see this changing either

[BTGbullseye]

4 hours ago, BlazerBuddy said:

3090 launches August 24th, 3080 launches August 14th.

They're going to take another 11 months to release? When did they change that?

[BlazerBuddy]

4 hours ago, BTGbullseye said:

They're going to take another 11 months to release? When did they change that?

Oh Sorry I got the dates mixed up. The 3090 releases in 12 days and 3080 releases in 2 days. September 14-24.

[nick name]

10 minutes ago, BlazerBuddy said:

Oh Sorry I got the dates mixed up. The 3090 releases in 12 days and 3080 releases in 2 days. September 14-24.

Oof.  Still wrong.  

[BlazerBuddy]

18 minutes ago, nick name said:

Oof.  Still wrong.  

Fack ahh whatever search it up XD

[User24]

I benched about 25% overall average fps increase with a dedicated Physx card (1080ti + 1080ti) but that is only for one specific game that uses Flex fluids from about 2014 release timeframe. That game is still being updated today, and is a rare exception to the rule.

[dilpickle]

There is no value proposition in this whatsoever. Maybe people don't remember but PhysX actually started as a hardware add-in card. Then Nvidia bought them and turned it into a software API running on the GPU. Having a whole dedicated second GPU for this is wasteful in every sense of the word.