I never said it runs at ISO settings. Currently seeing the last demo and the reaction from the different Epic engineer it seems they work first on consoles version and optimizations are ported to PC later. For example on PC, the hardware path use vertex shader and no mesh shader, it will arrive later. On PS5/Xbox Series it is using Primitive/Mesh shader.
Unreal Engine 5, [UE5 Developer Availability 2022-04-05]
- Thread starter mpg1
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I never said it runs at ISO settings. Currently seeing the last demo and the reaction from the different Epic engineer it seems they work first on consoles version and optimizations are ported to PC later. For example on PC, the hardware path use vertex shader and no mesh shader, it will arrive later. On PS5/Xbox Series it is using Primitive/Mesh shader.
Not on raw speed, on pc its possible to equip a 7gb/s nvme, thats before RTX IO/Direct Storage make the needed changes to achieve even higher speeds.
The 2080maxQ should be lower in performance, but at the same time id hazard a guess turing TFs do somewhat more then the PS5's. They are different architectures. Anyway, yes, the Ps5 demo actually ran better on the laptop as opposed to the PS5 itself. This now showed it was correct all along.
I seriously doubt a <2020 laptop had anything like the ps5's io performance.
First in a series analyzing the source code for Nanite. https://www.notion.so/Brief-Analysis-of-Nanite-94be60f292434ba3ae62fa4bcf7d9379
No idea, but it probably didnt need it either, obviously, otherwise the demo wouldnt run that well on it. Im not really into what kind of nvme specs where available last year to laptops, certainly not the 7gb/s IO solutions atleast.
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Deleted member 13524
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I see these posts are mine, so the comments made during the past 2 pages were apparently targetted at me.
Nowhere do I say in those posts that the UE5 only runs on the PS5. I even mention more platforms that could run the demo.
I did (and do) say that the 2020 demo wouldn't run off a 2020 PC's storage IO, and from Tim Sweeney's statements it does not.
I have plenty of posts out there discussing how a slower IO could be used to show similar results, and having a ton of RAM with pre-decompressed assets to stream to the GPU was definitely one of the ways.
And thanks to your committed digging I see now that the Chinese guy's statement (or translation) is even more preposterous: not only is a 6.5-7 TFLOPs 2080 max-q running the PS5 demo at the same settings, it's even running it 33% faster at 40FPS.
One could always run the 2021 demo (that BTW runs with lower quality assets for higher compatibility) on a 2080 Max-Q and see if it runs at 1440p 40FPS.
Isnt the SSD the only important part these days? Since when do TFs matter again?
Anyway, yes, the demo ran fine on a 2020 laptop. The new demo, which is even more impressive, also runs fine on 2018 hardware.
I don't care of all this PC and consoles war but the GPU is less powerful, the SSD is slower there is a moment someone need to be a bit realist and same the code is currently less optimized on PC than consoles and this part don't come from last year but in early access the code isn't at the same level. When the engine will be production ready I am sure the optimization will be the same on consoles and PC.
What the chinese engineer told it means the demo can run on any PC or with slower SSD and even less powerful PC. We don't know if it is at ISO settings, I doubt it knowing the hardware is less powerful and the code is less optimized.
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Yet the only thing your doing around here is making claims how much better the PS5 is over other platforms in one or another way.
Well if they say the actual demo ran fine (even better) than the PS5 version of the demo, we can safely assume he didnt mean it was downscaled. The laptop's GPU might be somewhat less capable, but capable enough to match what was on display, and im inclined to believe the epic engineer over some forum user
You know what i think? The problem aint the UE5 tech demos etc, but the fact that those demos actually run about as well as they did on the PS5, which as DF said in the video on it, was just fanboy claims it would not. It was the thing to go for guys like you. Now that bit has evaporated for the most, things get sensitive.
DavidGraham
Veteran
A laptop 2080 MaxQ is about 2060 desktop performance.
According to GameGPU, a desktop 2060 can deliver more than 30fps at NATIVE 1080p.
https://gamegpu.com/test-video-cards/unreal-engine-5-valley-of-the-ancient-demo-test-gpu-cpu
According to GameGPU, a desktop 2060 can deliver more than 30fps at NATIVE 1080p.
https://gamegpu.com/test-video-cards/unreal-engine-5-valley-of-the-ancient-demo-test-gpu-cpu
Which aint that far from the PS5 GPU, which can, and will downclock when things get hammered on the CPU side. A 2060 is quite capable and doesnt have to share memory bandwith with the rest of the system either.
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Deleted member 86764
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DavidGraham
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With less PC specific optimizations than PS5, don't forget that. I won't even touch the subject of DLSS or RT acceleration.It can also deliver less than 30fps
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Deleted member 86764
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Well, we'll be able to see both tested *under the same conditions*, soon. I guess we'll wait to see how that pans out.
When DS hits, it will unleash the power of the SSD and rendering power doesnt matter anymore.
snc
Veteran
rt acceleration woulnd't help much in benchmark that doesn't use triangle rt, also you would like to use dlss to 1080p resolution ?
And framerate is probably locked on consoles. We don't know if the demo run at a higher framerate.
An extremely high speed IO isn't required if you have a huge amount of RAM available to store and stream the assets.
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