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Forums - Gaming Discussion - Unreal 5 Demo vs Series X Reveal

 

Which event got you more impressed?

Xbox Series X Gameplay Event 25 27.17%
 
Unreal Engine 5 PS5 Demo 67 72.83%
 
Total:92
SvennoJ said:

Thanks, I learned something new about SSDs :)

My confusion however mostly came from the HDD write speed being significantly faster than its read speed. Is that just the luck of the draw, was it writing at the outer orbit while reading from the inner orbit. HDD afaik have constant angular velocity, thus the outside moves much faster than the inside.
Or does it have to do with caching, HDD says thank you for the data and does more work without holding up the test tool.



Second, why are random reads so much slower on SSD. Seek time should be instant, yet sequential reads are still 3.6 to 50 times faster. It actually writes the smallest chunks faster than it can read them. That looks like managing your data chunks is still as important as before. (And probably why, for example, it still takes KSP a long time to load, tons of little files)

Ah looking up what the Q and T stand for helps a bit, Queue depth (number of requests at once) and Threads used. I guess Q1T1 is stress testing the IO controller mainly, all separate requests which the IO controller can add together to write more efficiently, yet while reading I guess the tool waits for the data before sending the next request.

Anyway not as simple as dump a ton of files in a directory and hope for the best. Optimizing for efficient reading of data will still help.

The reason for the write speed being larger than the read speed is that essentially the hard drive is doing two things.
* It's reading directly from disk and not the hard drives Ram.
* It's write speed is mis-reported, it's reporting the speed it writes into the hard drives Ram and not to the disk itself.

The reason why the random reads are slower on an SSD is actually really simple...
It's much easier for an SSD's controller to read and access "pages" of data that is next to each other rather than access it from completely opposite ends of the SSD, the data request doesn't have to travel as far.

The further the data is away, the longer distance that data has to travel hence impacting seek times, it's the exact same issue a mechanical drive has, just on a much smaller scale.

And the more requests you have the more contention you have in the SSD's controller, it can only do a finite amount of tasks at a time due to processor and memory limitations.

eva01beserk said:

I dont mean RT is bad, just that on the rtx series is bad, or I would say experimental. Nvidia says they will get 4x the rt performance on Ampere. Im pretty sure they will still be better than amd, but even amd should beat the rtx line. Maybe it was a necessity as devs had something to work with and now nvidia and even amd could work from that.

Or maybe I should ask, will the 2080ti hold up to the 3000 series as well as the 1080ti did to the 2000's? Acording to mores law is dead if people are looking to upgrade and RT is a must for you that you should ignore the 2080ti and a 3060 should be better.

But like you said, cant do much with leaks. probaably wont know untill rdna 2 releases, but nvidia already confirmed that RT wise, they will smoke the 2000's

It's still the best form of consumer hardware Ray Tracing we have, AMD doesn't have Ray Tracing, Ampere, Playstation 5, Xbox Series don't even exist on the market.

But you are correct, it's only first generation stuff, more improvements will obviously be made, the PC never stops improving.



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Pemalite said:

Depends on the laptop PC.

GeForce RTX 2080 Super Max-Q would give the PS5 a run for it's money... You also have desktop replacement laptops with full Geforce RTX 2080's in them and in 6 months time, probably RTX 3080's.

But the demo in question isn't using the consoles to their fullest extent, the Ray Tracing cores aren't being utilized which is extra computational capability left on the table.

We don't know how RDNA2 performs, the hardware isn't on the market, we can only assume (And rightly so) that it will be more performant than RDNA1.

The RTX 2080 is a beast... This particular demo wasn't optimized for the hardware either, which is the key thing here... That it looks and runs that well without being optimized fully is a testament to how solid the console hardware is right now.

Oneeee-Chan!!! said:

I don't know why you compare the RTX2080 with the 5700XT.
It should be mobile 2080.
The PS5 GPU has a 10.3TF performance because the clock is very high.
Even at 36CU, it is more powerful than the 5700XT.

Not all notebooks use the mobile variant of the RTX 2080, they sometimes use the desktop variant.

More to performance than just flops. nVidia's gaming performance on a per-flop basis is better than AMD's.

But if flops was the most important aspect of the hardware, then the Xbox Series X would be 20% faster than the Playstation 5... But it simply isn't.

kirby007 said:

but the compression is a software thing right? thats not specific to a SSD or HDD

There are PC SSD's that employ hardware-based compression algorithms on the actual controller.

PC can also brute force it via software, because it has the CPU and Memory resources to do so.

I would hope the consoles beat an RTX 2080Ti. (Although there is currently no evidence to support your assertion!)
But the 2080Ti will be outdated before the next-gen consoles launched anyway.

The RT features aren't bad either. They are fantastic... So much so that AMD is going to copy that feature and bring it to consoles.

RTX 2080 Max Q super is still inferior to Desktop RX 5700 XT no matter what . The amount of clock speed alone prove this, It's just an RTX 2080 with lower clock speed that match RTX 2060 performance. PS5 is way way much faster. claiming it the other way around clearly bias and spreading lie 

Also did anybody has the video of Unreal 5  running on the notebook it could be just a hoax 

Also Unreal Engine 5 that demoed require a fast IO speed , i doubt the Laptop has such speed on it;s drive , eben it exist it will be super expensives. 

I bet that UE 5 run on Nvidia Laptop is HOAX. 

It's a HOAX 

Last edited by HollyGamer - on 16 May 2020

Oneeee-Chan!!! said:
Captain_Yuri said:

Well a 2080 is faster than a 5700 XT and yea RDNA2 will be faster than RDNA1.

5700 XT = 40 CU. PS5 = 36 CU but PS5 will be faster with less CU than 5700 XT with more CU.

But a 2080 is a good amount faster than 5700 XT. You would need the Series X to match/beat that performance in GPU. But we won't know for sure until we see more games/engines.

And the person I linked is just verifying what reddit said is correct.

I don't know why you compare the RTX2080 with the 5700XT.
It should be mobile 2080.
The PS5 GPU has a 10.3TF performance because the clock is very high.
Even at 36CU, it is more powerful than the 5700XT.

The Video is HOAX, 



HollyGamer said:
Oneeee-Chan!!! said:

I don't know why you compare the RTX2080 with the 5700XT.
It should be mobile 2080.
The PS5 GPU has a 10.3TF performance because the clock is very high.
Even at 36CU, it is more powerful than the 5700XT.

The Video is HOAX, 

I guess that he is less credible than unkwon random china employee.



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Captain_Yuri said:
Oneeee-Chan!!! said:

I don't know why you compare the RTX2080 with the 5700XT.
It should be mobile 2080.
The PS5 GPU has a 10.3TF performance because the clock is very high.
Even at 36CU, it is more powerful than the 5700XT.

Yea mobile 2080 is good amount faster than 5700 xt...

And yea, I said the ps5 is faster than 5700 XT even though the ps5 is 36 CU...

Which is why it's not connect.

2080 desktop is faster then 5700 XT in some games (most of the times actually) but not the Mobile variant.

2080 Max Q is the mobile variant that underclock heavy and match the performance of RTX 2060 

PS5 >>> RTX 2060

claiming it can run better then PS5 demo is just straight lie 

 



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HollyGamer said:
Captain_Yuri said:

Yea mobile 2080 is good amount faster than 5700 xt...

And yea, I said the ps5 is faster than 5700 XT even though the ps5 is 36 CU...

Which is why it's not connect.

2080 desktop is faster then 5700 XT in some games (most of the times actually) but not the Mobile variant.

2080 Max Q is the mobile variant that underclock heavy and match the performance of RTX 2060 

PS5 >>> RTX 2060

claiming it can run better then PS5 demo is just straight lie 

 

The original translation didn't mention Max Q but instead said 2080 mobile which is different. If it said Max Q, I would have said otherwise.



             

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Captain_Yuri said:
HollyGamer said:

Which is why it's not connect.

2080 desktop is faster then 5700 XT in some games (most of the times actually) but not the Mobile variant.

2080 Max Q is the mobile variant that underclock heavy and match the performance of RTX 2060 

PS5 >>> RTX 2060

claiming it can run better then PS5 demo is just straight lie 

 

The original translation didn't mention Max Q but instead said 2080 mobile which is different. If it said Max Q, I would have said otherwise.

STill related, a mobile version always  inferior to desktop variant. If it has the same performance your Laptop will only able to run for 5 minute LOL. 

EDIT: BTW I am not saying you lying, I am referring to the Chinese guy from the Reddit that claim Unreal Engine 5 demo  run on Laptop GPU. 



HollyGamer said:
Captain_Yuri said:

The original translation didn't mention Max Q but instead said 2080 mobile which is different. If it said Max Q, I would have said otherwise.

STill related, a mobile version always  inferior to desktop variant. If it has the same performance your Laptop will only able to run for 5 minute LOL. 

Correct but it is still generally as fast as the 2070 Super Desktop which is faster than 5700XT.



             

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Captain_Yuri said:
HollyGamer said:

STill related, a mobile version always  inferior to desktop variant. If it has the same performance your Laptop will only able to run for 5 minute LOL. 

Correct but it is still generally as fast as the 2070 Super Desktop which is faster than 5700XT.

No 

2080 mobile either "super" variant or normal variant it's still using the same 2080 variant that clocked slower.  

Even on desktop, the 2080 super is just slightly faster than the 2080 standard. 



HollyGamer said:
Captain_Yuri said:

Correct but it is still generally as fast as the 2070 Super Desktop which is faster than 5700XT.

No 

2080 mobile either "super" variant or normal variant it's still using the same 2080 variant that clocked slower.  

Even on desktop, the 2080 super is just slightly faster than the 2080 standard. 

https://www.notebookcheck.net/Alienware-Area-51m-i9-9900K-RTX-2080-Laptop-Review.414667.0.html#toc-case



             

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