The RX Vega 64 Owners Thread

TrixX · 25 Aug 2018 at 15:15

@Panos thanks for the info. Will give 1125 a try. I did notice with testing there were certain frequencies that were good and some that weren't above 1100. Same with core frequencies, it's a bit like there are grouped frequencies with a low point and a high point that result in the same performance then 1MHz more and into the low point of the next grouping. It certainly makes Overclocking the bugger fun.

BTW the settings I used I only modified the HBM, the core frequencies were identical to the original release Liquid BIOS. +50% power setting as I haven't tested with a modified PPTable since I reattached the water block.

TonyTurbo78 · 25 Aug 2018 at 17:23

TrixX said:
I noticed a huge benefit from switching to Liquid Metal for cooling the GPU. Getting that heat off the core as fast as possible allowed mine to go stable at 1750Mhz core without issue. With just the normal paste it was just not enough to keep it cool. Used some Hydronaut and AS5 both dried out really quick. As long as you protect the microcomponents around the core with something it's fine.

https://www.3dmark.com/fs/16192269

Oh and I'm running the Liquid BIOS.

Nice run that, 26k is perfection for a vega64 graphic score. Post that up on the firestrike benchmark thread so the leader board can be updated.

Panos · 25 Aug 2018 at 17:37

TrixX said:
@Panos thanks for the info. Will give 1125 a try. I did notice with testing there were certain frequencies that were good and some that weren't above 1100. Same with core frequencies, it's a bit like there are grouped frequencies with a low point and a high point that result in the same performance then 1MHz more and into the low point of the next grouping. It certainly makes Overclocking the bugger fun.

BTW the settings I used I only modified the HBM, the core frequencies were identical to the original release Liquid BIOS. +50% power setting as I haven't tested with a modified PPTable since I reattached the water block.

Yeah I wrote liquid metal helps greatly the Vega, and experienced it due to a mistake I did with the Bykski waterblock

having to go back to the Nitro+ heatsink
The performance improved while the temps plummeted by 15C.

Could you please post the image from your Wattman overclock settings?

Lokken86 · 25 Aug 2018 at 17:42

I wish there was a cheaper aio cooler for the Vega 64. Iv never fitted one to a gpu before but I think it would be cool to try.

Panos · 25 Aug 2018 at 17:43

I saw this headers on the Nitro+ Bios, and I am kinda baffled...

ATOMBIOSBK-AMD VER016.001.001.000.000000
377X07S8.O08
CCC Overdrive Limits
GPU Clock: 2400 MHz
Memory Clock: 1500 MHz
PowerTune Limit: -50% to +50%
Limits
Socket Power: 264 W
Battery Power: 264 W
Small Power Power: 264 W
TDC Power: 300 A
Temp Hotspot: 105°C
Temp Liquid 1: 74°C
Temp Liquid 2: 74°C
Temp HBM: 95°C
Temp VR SOC: 115°C
Temp VR Mem: 115°C
Temp Plx: 100°C

First of all, assuming heat is not issue, is it possible the Vega 64 able to do 2400Mhz?
Second, does anyone knows a way to raise the power cap and the TDC Power over the 300A?
I saw a video of some values for the Soft Table, but if I apply those values, the overlay stops working

as some values in there are designed for older drivers.

Lokken86 · 25 Aug 2018 at 17:47

I think it means that's the max overclock limit.

TonyTurbo78 · 25 Aug 2018 at 18:21

Thought i'd join in the fun again, been a while since I've benched this card. Curious to see how it's been affected by Spectre and Meltdown.....seems not affected at all, in fact, very close to that 27k graphics score now. About a 1.5k improvement in GPU score now, must be driver related as only thing I did was up the HBM to 1125mhz from 1100. It shouldn't improve the score all that much.

https://www.3dmark.com/3dm/28220951?

Davedree · 25 Aug 2018 at 18:25

TonyTurbo78 said:
Thought i'd join in the fun again, been a while since I've benched this card. Curious to see how it's been affected by Spectre and Meltdown.....seems not affected at all, in fact, very close to that 27k graphics score now. About a 1.5k improvement in GPU score now, must be driver related as only thing I did was up the HBM to 1125mhz from 1100. It shouldn't improve the score all that much.

https://www.3dmark.com/3dm/28220951?

Well done my boy, told you, you'd **** 26k. Bit more tweaking and you'll be at 27k.
Get er done

Panos · 25 Aug 2018 at 18:34

TonyTurbo78 said:
Thought i'd join in the fun again, been a while since I've benched this card. Curious to see how it's been affected by Spectre and Meltdown.....seems not affected at all, in fact, very close to that 27k graphics score now. About a 1.5k improvement in GPU score now, must be driver related as only thing I did was up the HBM to 1125mhz from 1100. It shouldn't improve the score all that much.

https://www.3dmark.com/3dm/28220951?

wow. can you post the image of wattman please?

TonyTurbo78 · 25 Aug 2018 at 18:48

Panos said:
wow. can you post the image of wattman please?

Cooking dinner at the moment mate but keep an eye on thread tonight.

Davedree said:
Well done my boy, told you, you'd **** 26k. Bit more tweaking and you'll be at 27k.
Get er done

Yes, yes you did mate. I'm not really into benching a lot though to be honest. I think 27k might be a OC to far

Panos · 25 Aug 2018 at 18:49

TonyTurbo78 said:
Cooking dinner at the moment mate but keep an eye on thread tonight.

Cheers

Lokken86 · 25 Aug 2018 at 18:51

TonyTurbo78 said:
Thought i'd join in the fun again, been a while since I've benched this card. Curious to see how it's been affected by Spectre and Meltdown.....seems not affected at all, in fact, very close to that 27k graphics score now. About a 1.5k improvement in GPU score now, must be driver related as only thing I did was up the HBM to 1125mhz from 1100. It shouldn't improve the score all that much.

https://www.3dmark.com/3dm/28220951?

Could you try a Timespy run also? Because the cpu test doesn't impact the score as much you might have the highest Vega score.

TonyTurbo78 · 25 Aug 2018 at 20:13

Panos said:
wow. can you post the image of wattman please?

Here you go, click for full size

@Lokken86 Sure, wont be till tomorrow now though if that's ok.

Panos · 25 Aug 2018 at 20:30

TonyTurbo78 said:
Here you go, click for full size

@Lokken86 Sure, wont be till tomorrow now though if that's ok.

Cheers. I will give them a spin

nashathedog · 25 Aug 2018 at 21:11

Panos said:
Your HBM is not at 1100. Is better to lower the core to overclock your HBM as there are big gains between 1000 and 1100
As for cooling when used air had it to 2000 low 3600 max. But give it a try at full blast.

I'll have do some HBM comparisons when I get my next Vega

TonyTurbo78 · 25 Aug 2018 at 21:36

Panos said:
Cheers. I will give them a spin

let me know how you get on.

TrixX · 25 Aug 2018 at 23:04

Current settings, definitely not optimised!!

Panos · 26 Aug 2018 at 02:26

TonyTurbo78 said:
Here you go, click for full size

Hi, it didn't work, hit straight away 379W and stopped :/
However, decided to go back to my previous overclock that raptorpg got 26011. Tweaked it a bit

and
https://www.3dmark.com/3dm/28227982

26600 Graphic score

at 280W. Still I have 90W to hit the limit of the card

TrixX · 26 Aug 2018 at 03:34

Very nice, I'll have a bit of fun tuning over the next week or so

@Panos - by setting your Mem to 1100mv you are basically setting the core to a minimum of 1100mv too (think of it as a floor voltage rather than mem voltage as it has bugger all to do with mem voltage).

Donnie Fisher · 26 Aug 2018 at 10:16

Can I ask a size question please ?

Could anyone who has either sapphire nitro 64 or a strix 64 tell me the the additional height they have over the height of the metal back bracket ? ( the distance from the right angle that you screw to the chassis to the highest point of the card ).

My case is tight height wise and I’m just trying to see if they would fit. Thanks.