The large impact of CPU on Ray Traced gaming.
HarwareTimes の投稿を引用:
"In Hitman 3, the 7900X has a massive advantage of 40% over the Alder Lake part when paired with the RTX 3080 Ti."

https://www.hardwaretimes.com/amd-ryzen-9-7900x-review-retaking-the-gaming-crown-with-potent-ray-tracing-cpu-performance/

Seems to be a major limiting factor, and one that the 7k line seems to solve better than anything before it with up to 30-40% gains over intel 12th gen or Ryzen 5k specifically in RT loads with both AMD and NV graphics cards...
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plat 2022年9月27日 11時22分 
Wow, that is very impressive. But is it enough of a motivation for greater sales? I guess one has to stay tuned.

Highest-end Raptor Lake makes some promises of its own. Like 6GHz clock speed at defaults, 8GHz with over-clocks.
Wait, ray tracing is that CPU impactful? I thought a big part of the dedicated cores was to do it with the GPU?

Interesting, nonetheless. I wonder if Intel's 13th generation will see a similar uplift.
He mentions the 12700K but the charts only list a 12700F? Typo?

ComputerBase tested Cyberpunk, Far Cry 6 and Spider-Man Remastered with RT[www.computerbase.de] and they did not report any significant difference in performance to Intel's 12th gen.

Where's the Hitman 3 non-RT test[bilder.pcwelt.de] to validate his statement?
最近の変更はJulien, cut it out.が行いました; 2022年9月27日 12時47分
Illusion of Progress の投稿を引用:
Wait, ray tracing is that CPU impactful? I thought a big part of the dedicated cores was to do it with the GPU?

Interesting, nonetheless. I wonder if Intel's 13th generation will see a similar uplift.
According to the article it seems to be from Draw Calls being the major impact.

This makes some sense, as presumably the draw call ability of both Intel 12th and Ryzen 5k are similar?

If anyone here has the full versions of 3DMark I can work with you to get some comparisons, I can offer Ryzen 3k and Ryzen 5k results from the draw call API testing the suite has, just need someone with some Intel 11th and 12th gen results to post ;)

Sadly their site doesnt allow searching or comparing results from the niche draw calls test :/
Thanks.
Whenever I said a 9900k is very close to being a bottleneck in Cyberpunk even on higher resolutions no one wanted to believe me.
And Cyberpunk uses all the Ray-Tracing there is (atleast to my knowledge).
最近の変更はSoulreaverが行いました; 2022年9月27日 22時35分
Tiberius の投稿を引用:
https://www.eurogamer.net/digitalfoundry-2022-amd-ryzen-9-7900x-ryzen-5-7600x-review?page=3

20% gain my ass
Your 20% gain my ass implies you think its wrong.

This makes is seem like you didnt read your own source, or you are questioning the validity of your own source?...

The Eurogamer Review Tiberius Linked の投稿を引用:
Ryzen 7000 performs incredibly well here, with the two CPUs in the 260-270fps range while Intel's 12th-gen parts are limited to 200-215fps. That's a 25 percent advantage for the red team. Note that if you're on AM4, the 5800X3D delivers equivalent performance to Ryzen 7000.

Seems like in the RT loaded metro its 20% lead, which is in line with the roughly 15-40 percent reported by various RT loaded titles.

AMD 7K seems to be demonstrably better at RT loading. Thanks for another source showing this!
xSOSxHawkens の投稿を引用:
Tiberius の投稿を引用:
https://www.eurogamer.net/digitalfoundry-2022-amd-ryzen-9-7900x-ryzen-5-7600x-review?page=3

20% gain my ass
Your 20% gain my ass implies you think its wrong.

This makes is seem like you didnt read your own source, or you are questioning the validity of your own source?...

The Eurogamer Review Tiberius Linked の投稿を引用:
Ryzen 7000 performs incredibly well here, with the two CPUs in the 260-270fps range while Intel's 12th-gen parts are limited to 200-215fps. That's a 25 percent advantage for the red team. Note that if you're on AM4, the 5800X3D delivers equivalent performance to Ryzen 7000.

Seems like in the RT loaded metro its 20% lead, which is in line with the roughly 15-40 percent reported by various RT loaded titles.

AMD 7K seems to be demonstrably better at RT loading. Thanks for another source showing this!

Until you realize 7600x gave the same number as 7900x. Tldr: faster cpu gives more fps than the slower cpu. Aka water is wet
最近の変更はTiberiusが行いました; 2022年9月28日 2時08分
Tiberius の投稿を引用:
xSOSxHawkens の投稿を引用:
Your 20% gain my ass implies you think its wrong.

This makes is seem like you didnt read your own source, or you are questioning the validity of your own source?...



Seems like in the RT loaded metro its 20% lead, which is in line with the roughly 15-40 percent reported by various RT loaded titles.

AMD 7K seems to be demonstrably better at RT loading. Thanks for another source showing this!

Until you realize 7600x gave the same number as 7900x. Tldr: faster cpu gives more fps than the slower cpu. Aka water is wet
They gave similar results because the game doesnt use any more cores (in a meaningful way) than the 7600x has to offer.

TBH, chances are that the entire RT pipeline is a single thread, so the better ability to handle the RT calls (at least for Metro) is probably going to be present on most 7k chips.

This isnt simply a case of faster CPU being faster, else we would see similar gains in non RT titles against Intel and Ryzen 5k. Instead we see the 7k holding well in regular loads while blasting out much higher spreads on RT loading.

Personally, I am both super suprised and super excited. I would never have thought such an impact from CPU on RT. Very interested to see how this plays out in the next few weeks as more people get more time playing around with the chips.
xSOSxHawkens の投稿を引用:
Tiberius の投稿を引用:

Until you realize 7600x gave the same number as 7900x. Tldr: faster cpu gives more fps than the slower cpu. Aka water is wet
They gave similar results because the game doesnt use any more cores (in a meaningful way) than the 7600x has to offer.

TBH, chances are that the entire RT pipeline is a single thread, so the better ability to handle the RT calls (at least for Metro) is probably going to be present on most 7k chips.

This isnt simply a case of faster CPU being faster, else we would see similar gains in non RT titles against Intel and Ryzen 5k. Instead we see the 7k holding well in regular loads while blasting out much higher spreads on RT loading.

Personally, I am both super suprised and super excited. I would never have thought such an impact from CPU on RT. Very interested to see how this plays out in the next few weeks as more people get more time playing around with the chips.

You can go to the next pages and see 7900x is losing to 12600k in rt performance (cp2077, crysis3). The results are too random to make that conclusion
Tiberius の投稿を引用:
xSOSxHawkens の投稿を引用:
They gave similar results because the game doesnt use any more cores (in a meaningful way) than the 7600x has to offer.

TBH, chances are that the entire RT pipeline is a single thread, so the better ability to handle the RT calls (at least for Metro) is probably going to be present on most 7k chips.

This isnt simply a case of faster CPU being faster, else we would see similar gains in non RT titles against Intel and Ryzen 5k. Instead we see the 7k holding well in regular loads while blasting out much higher spreads on RT loading.

Personally, I am both super suprised and super excited. I would never have thought such an impact from CPU on RT. Very interested to see how this plays out in the next few weeks as more people get more time playing around with the chips.

You can go to the next pages and see 7900x is losing to 12600k in rt performance (cp2077, crysis3). The results are too random to make that conclusion
Interesting, at least with Crysis which we can compare between the two, until you look at the numbers and realize that the results you are linking are not using anywhere near the same settings as the ones I linked to.

We dont know for sure what settings the HardwareTimes review used, but we *do* know that they reported an average FPS on a 3080-Ti of 132 on the 12700, and 138 on the 7900. Meanwhile the testing you are linking to is claiming is claiming 220-240 FPS for those chips at 1440p and 290-300+ fps at 1080p for those chips with a 3090.

There is def a difference between the 3090 and the 3080-Ti, just as there is between a 6800xt and 6900xt. But not 2-3x the FPS difference.

This seems to imply that either Hardware Times used higher settings, DigitalFoundry used lower and less demanding settings, or a mixture of both.

Either way, we are still seeing at least two sources now (yours and mine) that have at least one-off examples of RT loads on 7k being abnormally and unexpectidly high.

That fact cant be argued. And so far seems hard to explain.

On a side note, 3DMark has an API Draw Call Test. I would love to try and get some results collated for that and can offer 3900x and 5950x results if anyone has the app and an intel 11th or 12th gen we can add those, and then when someone here has 7k we could see how they stack up in raw draw calls testing. Sadly 3dmark doesnt have the draw calls searchable on their site for easy comparison so we would all have to work out sharing the results.
Monk 2022年9月28日 3時19分 
Yet another half arsed review.

Not really worth paying attention to, wait to see properly set up systems running at their best before making any decisions.

I mean, hell, my 9900k with a 3090 matches half those numbers!

To me, that shows the testing was half arsed.
xSOSxHawkens の投稿を引用:
HarwareTimes の投稿を引用:
"In Hitman 3, the 7900X has a massive advantage of 40% over the Alder Lake part when paired with the RTX 3080 Ti."

https://www.hardwaretimes.com/amd-ryzen-9-7900x-review-retaking-the-gaming-crown-with-potent-ray-tracing-cpu-performance/

Seems to be a major limiting factor, and one that the 7k line seems to solve better than anything before it with up to 30-40% gains over intel 12th gen or Ryzen 5k specifically in RT loads with both AMD and NV graphics cards...

So it seems it is poorly optimised in the game engine as it needs to be brute forced to work as it should.
Monk 2022年9月28日 3時52分 
Or, at stock Intel cpu's are far slower than stock AMD ones that come out the box at near their max performance.

As I said, wait to see some numbers where both systems are properly set up.
Bug の投稿を引用:
Illusion of Progress の投稿を引用:
Wait, ray tracing is that CPU impactful? I thought a big part of the dedicated cores was to do it with the GPU?

Interesting, nonetheless. I wonder if Intel's 13th generation will see a similar uplift.
Depends on the game and the intensity. Doom Eternal barely has any impact with it on, but it only uses it for reflections. Cyberpunk with full RT and everything else will bring your 3700x to its knees when paired with a high-end 3000. It'll still achieve over 60fps, but the CPU will be hammered and the limiting factor.
Oh I believe it. Even with just a GTX 1060, I see my 3700X limiting things (I mean, it's largely Minecraft I'm referring to, but still).

Possibly... related or not to the overall theme of "CPU plays a big part in the underlying rendering pipeline of something that mostly adds GPU demands", but I play Minecraft with shaders. It's not ray tracing, but I noticed a similar peculiarity recently.

The 1.18 update of the game brought increased performance demands. It also brought some new settings. Playing with the same shaders I did in 1.16 (I skipped 1.17 but it's not essential for this as 1.18 was the shift), I noticed a rather substantial performance drop in some areas of my world. Namely, my home village. Playing with some of the new settings, one of which is entity distance, I found some immediate results. This is typically something that's known to be CPU reliant, so I dropped it from 100% to 50% (the new setting is a slider from 50% to 500% in stages of 25%), and performance went up. It was not quite as high as it was with 1.16, but at least playable in those spots.

Now normally, I'd chalk this up to "the new version is just more demanding and can't be compared to the old one" and be done with it. After all, one of the things 1.18 did was increase the ground depth so there may be more entities (monsters, namely) spawning underground. Except... if I play WITHOUT shaders, I can have that setting at 100% and that performance drop doesn't occur. Huh?

It made it hard to tell what, exactly, is the limitation. I think the numbers suggest the GPU is, despite it being a typically CPU setting, which would make sense as the shaders not being involved means the performance drop isn't present. But entities are... definitely a classic CPU thing with Minecraft. And the GPu does shaders just fine when that entity thing isn't the limitation. Very confusing. Only way I can think of to be sure to figure out what it is would be to find someone else with a Zen 2 CPU and a much more powerful GPU than my GTX 1060, have them test exactly my world in the same spots with exactly the same shaders/settings, and see if the drops are also there to the same extent. If so, it's CPU, and if not, it's GPU. I'm hoping the numbers suggesting GPU are correct. If it's CPU, I guess there's no CPU in existence that gets my village performing nicely?

Both Minecraft and the shaders for them are known to be... not efficient (not saying the shader authors do bad jobs, just that Minecraft itself isn't made for it so getting it working just takes a lot). Minecraft itself is also very random due to the random generation of worlds, so finding performance results on it is generally hard. I'm sort of hoping a GPU upgrade helps with this particular thing but even if not, I'm hoping it brings my frame rate up enough to let me raise the render distance when not in an "entity distance obscurity tanking frame rate" situations. Thus far, just my one village does it so I swap the setting down when in it. It changes nothing visually in my village, but it's a slight annoyance having to change when entering/leaving my village.

Anyway... sorry for a bit of rambling. But my point is this thread reminded me of that. So while my first post expressed surprise that the CPU could play a big part in something that mostly adds GPU demand, I probably shouldn't have been as surprised because maybe I've experienced it myself (just not with ray tracing).
最近の変更はIllusion of Progressが行いました; 2022年9月28日 9時04分
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投稿日: 2022年9月27日 11時16分
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