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[TPU] AMD Ryzen 5 1500X 3.5 GHz - Page 11

post #101 of 185
Gamers Nexus did IMO a great job with a detail review on the R5
post #102 of 185
Quote:
Originally Posted by Sin0822 View Post

A lot of it has to do with the NVIDIA GPU not bottlenecking the CPU, look towards GTA:V and overall FPS. When the FPS starts to become constant across most of the CPUs, especially within the same brand and family, it's being GPU bottle-necked. It's the same reason why testing at lower resolutions helps to remove the GPU as a bottleneck. Another thing is that some games are heavily optimized for certain GPU architectures. I will say that re-testing the 1700, i found that Ryzen's gaming performance did increase in certain titles over the past month, some of those titles don't even have updates.

The charts look a bit more complex than than that because the supposedly stronger nVidia card is dropping below the supposedly weaker AMD card when used in combination with the new Ryzen CPU. So it is clearly not only a GPU bottleneck there.

I would speculate that nVidia is probably using some Intel specific optimization in their drivers because in the past everyone was supposedly using an Intel one who cared about the performance. Might not be even deliberate - might be something as simple as just using Intel optimized compiler without doing anything specific in their drivers code.
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post #103 of 185

These reviews are totally epic fail. At this point there is no difference whether these so called tech journalists review hardware or we let that O'Reilly do it, the results will be the same.

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post #104 of 185
1600/1600X have to be where it's at for all around usage. 1700 is horribly (wonderfully?) tempting lately as well. Looking as if the extra cache in the R5's is proving to be beneficial in certain tasks, as expected.

Very smooth launch for the R5. AMD is doing their best to not have me wait for Zen+ tongue.gif
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post #105 of 185
Quote:
Originally Posted by btupsx View Post

1600/1600X have to be where it's at for all around usage. 1700 is horribly (wonderfully?) tempting lately as well. Looking as if the extra cache in the R5's is proving to be beneficial in certain tasks, as expected.

Very smooth launch for the R5. AMD is doing their best to not have me wait for Zen+ tongue.gif
1600 is clocked higher.
post #106 of 185
Quote:
Originally Posted by Carniflex View Post

I would speculate that nVidia is probably using some Intel specific optimization in their drivers because in the past everyone was supposedly using an Intel one who cared about the performance.
Check this video

https://www.youtube.com/watch?v=nIoZB-cnjc0
post #107 of 185
Quote:
Originally Posted by Frugal View Post

Check this video

https://www.youtube.com/watch?v=nIoZB-cnjc0

I don't want to derail this thread, but I have a question:

so based on that video, AMD can never be better in DX11 games than NV because of how their schedulers are implemented ? (HW vs. SW)
It is my understanding that while NV can spread game load to more CUs via driver, AMD can't do that because this spread is done on HW level.
Which means, that DX11 game would have to be specifically written to take advantage of AMD's implementation, correct ?

Sorry again for derailing.
post #108 of 185
Quote:
Originally Posted by BobiBolivia View Post

It is my understanding that while NV can spread game load to more CUs via driver, AMD can't do that because this spread is done on HW level
Something on those lines, yes.
AMD's GPU architecture is constrained by the console (AMD exclusive) which APIs use a more direct hardware communication. Hence Mantle/Vulkan and DirectX 12.
Reviewers should take this into consideration when testing but most don't, AnandTech being an honourable exception. I suspect some (most?) reviewers don't even understand or are aware to these technical elements.
post #109 of 185
Quote:
Originally Posted by Frugal View Post
 
Quote:
Originally Posted by Carniflex View Post

I would speculate that nVidia is probably using some Intel specific optimization in their drivers because in the past everyone was supposedly using an Intel one who cared about the performance.
Check this video

https://www.youtube.com/watch?v=nIoZB-cnjc0

Thank you very much, very educational.

 

What the video comes down to is that AMD were looking forward to the future when they implemented hardware scheduling while nVidia are trying to hold development back through bribing developers not to use specific DX12 optimisations for the PC.

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post #110 of 185
Quote:
Originally Posted by Frugal View Post

Something on those lines, yes.
AMD's GPU architecture is constrained by the console (AMD exclusive) which APIs use a more direct hardware communication. Hence Mantle/Vulkan and DirectX 12.
Reviewers should take this into consideration when testing but most don't, AnandTech being an honourable exception. I suspect some (most?) reviewers don't even understand or are aware to these technical elements.

Actually AMD's scheduler should also perform better in well threaded DX11 games with the exception of some edge cases. When i say well threaded, i mean games that reserve the main thread for draw calls and spread the rest of the game logic to secondary threads. As long as the main thread performs fast enough to avoid bottlenecks, the AMD scheduler should perform better than the NV one as it adds no additional overheads.
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