AMD Polaris Thread: Radeon RX 480, RX 470 & RX 460 launching June 29th

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Kenmitch

Diamond Member
Oct 10, 1999
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I agree, but the only other news to really talk about is a possible NDA drop for the 24th that has been debunked. Everything else is just reaffirming what everyone seems to know or expect. $229 8GB ~110Watt 390X performance.

I feel bad for reviewers with all the leaks happening and the long NDA.

So speculate then.

Here's an example:

It's possible under the ideal circumstances that in at least one benchmark the RX480 will surpass the 1070 and nip on the heals of the 1080 or even surpass it.

Another one:

The RX480 will outsell the GTX 1080 10 to 1.

See it's not hard to at least generate some conversation/debates without straying way off topic.
 

sirmo

Golden Member
Oct 10, 2011
1,014
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AMD stock coolers are usually pretty poor...
I loved my 5870 stock blower. It rarely had to spin up to cool itself and was usually pretty quiet.


It was also a much more power hungry card. From what we're hearing rx480 is only about 100w under load. So it doesn't need a huge cooler.. for overclocking you don't want to use a stock cooler anyways.

For that stuff either use a water block or an aftermarket cooler like ARCTIC Accelero Xtreme IV, or just get an AIB card.

Blower style coolers have their place.
 

krumme

Diamond Member
Oct 9, 2009
5,956
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Somebody asked about the 6+1 smps vrm on the rx 480 while in some review site it was mentioned that the gtx1080 only had a 5+1 smps vrm while the rx 480 has an 6+1 smps vrm. I answered the post but thought the mosfets where on the backside. It was not clear to see in the picture. But the mosfets are there hiding behind the inductors.

If you wonder, 6 phases for the core voltage for the gpu and 1 phase to power the logic of the GDDR5 memory and the memory controller driver (to the gddr5 dram)on polaris. At least , that is what i think.
Those chokes looks big to me. Are they?
What strikes you about the card?
 

Armsdealer

Member
May 10, 2016
181
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No one will blow $800 on VR glasses without checking their pc is good enough and the first check will be the gpu. No one buy a new a RX480 to use with VR because they'll buy a much better gpu. No one will seriously buy an RX480 hoping to get VR glasses one day "when they are cheap" because by that time the RX480 will be old hat and way beneath the min VR spec.

Just accept it - trying to sell the RX480 for use with VR is dumb. AMD has a history of failing at marketing, and this is just another example. Lets take our mid range RX480 and try to sell it to the 0.1% of the market buying VR who due to the cost and high performance requirements of VR are not interested in something as low end as an RX480 anyway.

This is just wrong. I bought a vive and since rekindled my interest in gpu as a consequence of my interest in vr.

VR was the must buy for me. I want the cheapest gpu providing me with the VR room scale experience that I can buy because I honestly think the incremental difference between even rx480 and gtx 1080 is minimal when we consider that technology has to be thought of in logarithmic terms. The idea that people are letting nvidia get away with 56% gross margins is just the pinnacle of idiocy.

If you're going to argue that I can turn the detail settings higher, I'm sure it's true, but I don't care. The difference between vr and monitor is 100x the difference between medium and high settings in vr. I am losing weight playing vr videogames that are introducing new gameplay mechanisms that are *finally* a breath of fresh air from the same games we've been playing for 20 years. How do you quantify that?
 
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zinfamous

No Lifer
Jul 12, 2006
110,810
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AoTS is not even a good RTS, Stellaris is waaaaaay better, and its done on DX11, and it does not have render problems, it has IA programming issues, very CPU heavy, common on RTS.
AoTS is little else than a tech demo for Async shaders, if not for Async Shaders no one whould know what that is, and even less use it on benchmarks.

and water is wet, grass is green, etc. That's pretty well established, even by Stardock and those dudes that they contracted to make AOTS as a proof o concept for their next titles. That being said, the AI is supposedly far better than anything previous, so that alone is useful for benchmarking, though not for GPUs.

Regardless, it remains a valid DX12 test atm with not much else to compare it to. Even if there are those that like the game and those that don't, it still has value for benchmarking above any non-game synthetic test imo.
 
May 11, 2008
20,055
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Those chokes looks big to me. Are they?
What strikes you about the card?

I am not sure until i know the model, but to me it seems they are magnetically shielded models. They are not big. And the correct name would be storage inductor. Chokes are optimized to block high frequency ac signals from a dc current.
 

psolord

Platinum Member
Sep 16, 2009
2,015
1,225
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I loved my 5870 stock blower. It rarely had to spin up to cool itself and was usually pretty quiet.


It was also a much more power hungry card. From what we're hearing rx480 is only about 100w under load. So it doesn't need a huge cooler.. for overclocking you don't want to use a stock cooler anyways.

For that stuff either use a water block or an aftermarket cooler like ARCTIC Accelero Xtreme IV, or just get an AIB card.

Blower style coolers have their place.

I will have to agree with that, although during the last few years, I have grown more fond of triple fan AIB versions of cards.

Still, here is a screenshot from my 5850 Overwatch benchmark session.



Stock cooler, 950Mhz core, 1,225V, max gpu load, 65C with 60% fan speed. I don't even know what power draw this thing has. I wonder if I can figure this out with gpuz sensors.

Anyhoo, reports suggest the 480's cooler is fine. We'll see.
 

krumme

Diamond Member
Oct 9, 2009
5,956
1,595
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This is just wrong. I bought a vive and since rekindled my interest in gpu as a consequence of my interest in vr.

VR was the must buy for me. I want the cheapest gpu providing me with the VR room scale experience that I can buy because I honestly think the incremental difference between even rx480 and gtx 1080 is minimal when we consider that technology has to be thought of in logarithmic terms. The idea that people are letting nvidia get away with 56% gross margins is just the pinnacle of idiocy.

If you're going to argue that I can turn the detail settings higher, I'm sure it's true, but I don't care. The difference between vr and monitor is 100x the difference between medium and high settings in vr. I am losing weight playing vr videogames that are introducing new gameplay mechanisms that are *finally* a breath of fresh air from the same games we've been playing for 20 years. How do you quantify that?
I perfectly agree.
If i put my cheap gear vr on driven by a note 5 and fire up minecraft or answars2 it blows my desktop to pieces.
Saying a 480 is not working for vr is so utterly out of reality its mindblowing.
It doesnt even matter the 480 might end up as fast if not faster for vr as the 1080 in 2 years time.
You dont want to waste money on ultra texture or fancy blurr or some crazy lightning in 2d if you have tried vr.
I am looking forward to my vive. And i guess i take a 480 and save the money for vive 2. Lol.
 

sirmo

Golden Member
Oct 10, 2011
1,014
391
136
I will have to agree with that, although during the last few years, I have grown more fond of triple fan AIB versions of cards.

Still, here is a screenshot from my 5850 Overwatch benchmark session.



Stock cooler, 950Mhz core, 1,225V, max gpu load, 65C with 60% fan speed. I don't even know what power draw this thing has. I wonder if I can figure this out with gpuz sensors.

Anyhoo, reports suggest the 480's cooler is fine. We'll see.
indeed, those tri-x designs are sweet.. also those are some nice temps you got there.
 

krumme

Diamond Member
Oct 9, 2009
5,956
1,595
136
I am not sure until i know the model, but to me it seems they are magnetically shielded models. They are not big. And the correct name would be storage inductor. Chokes are optimized to block high frequency ac signals from a dc current.
Ahh thanx thought the term choke was the same as inductor but ofcource there is a difference.
The many phases especially vs 1080 why are they there? Now we know its a low power card with only a single 6 pin.
 
May 11, 2008
20,055
1,290
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Ahh thanx thought the term choke was the same as inductor but ofcource there is a difference.
The many phases especially vs 1080 why are they there? Now we know its a low power card with only a single 6 pin.

It is just the by AMD chosen vrm controller. It is the case that more phases allow for better response to dynamically changing loads. Meaning that the current drawn by the gpu is rapidly changing all the time and the vrm has to keep the voltage at exactly the same level independent of current draw. That is quite the task to perform.
The current the gpu draws depends on the calculations it has to do. The more it has to calculate, the more current it draws. But this is not constant. It varies all the time.


There is something i am wondering about.
Fury and the other GCN 290x and 390x cards had CU to spare for compute. Because not all CU could not be fully utilized for graphics.
The RX 480 has less memory bandwidth but culls more pixels that are not visible and therefore does not need to calculate them. Saving bandwidth. And it has better memory compression. But that purely benefits graphics.
Also, the command processor is new. They would do that to utilize for more graphics.
I am wondering if RX 480 will be a compute beast as the other gcn cards are.
I think RX 480 is improved for graphics + a set of compute but mainly graphics. Not for compute only.
Because that is the target market for polaris. Graphics and added (asynch) compute.
Vega will be the compute beast.
 

sirmo

Golden Member
Oct 10, 2011
1,014
391
136
It is just the by AMD chosen vrm controller. It is the case that more phases allow for better response to dynamically changing loads. Meaning that the current drawn by the gpu is rapidly changing all the time and the vrm has to keep the voltage at exactly the same level independent of current draw. That is quite the task to perform.
The current the gpu draws depends on the calculations it has to do. The more it has to calculate, the more current it draws. But this is not constant. It varies all the time.


There is something i am wondering about.
Fury and the other GCN 290x and 390x cards had CU to spare for compute. Because not all CU could not be fully utilized for graphics.
The RX 480 has less memory bandwidth but culls more pixels that are not visible and therefore does not need to calculate them. Saving bandwidth. And it has better memory compression. But that purely benefits graphics.
Also, the command processor is new. They would do that to utilize for more graphics.
I am wondering if RX 480 will be a compute beast as the other gcn cards are.
I think RX 480 is improved for graphics + a set of compute but mainly graphics. Not for compute only.
Because that is the target market for polaris. Graphics and added (asynch) compute.
Vega will be the compute beast.
We'll obviously have to wait and see.. lots of compute tasks depend on memory bandwidth.. so I expect Vega to also be a compute champ.
 

Armsdealer

Member
May 10, 2016
181
9
36
I perfectly agree.
If i put my cheap gear vr on driven by a note 5 and fire up minecraft or answars2 it blows my desktop to pieces.
Saying a 480 is not working for vr is so utterly out of reality its mindblowing.
It doesnt even matter the 480 might end up as fast if not faster for vr as the 1080 in 2 years time.
You dont want to waste money on ultra texture or fancy blurr or some crazy lightning in 2d if you have tried vr.
I am looking forward to my vive. And i guess i take a 480 and save the money for vive 2. Lol.

Haha, I'm definitely buying next gen vr also! I bought and returned a gtx 970 when my vive arrived and now I'm waiting for rx480 to launch. The first day I didn't play VR I genuinely went through physical withdrawal. Life in the matrix is way more fast paced, interesting, and colorful! When you're using it everyday it's great, but you genuinely realize how much you loved it when it's taken away
If videogames are nicotine VR is heroin.
 
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