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Hitman III: PC graphics perf benchmark review
TeamGroup CX2 1TB SATA3 SSD review
EVGA GeForce RTX 3070 FTW3 Ultra review
Corsair 5000D PC Chassis Review
NZXT Kraken X63 RGB Review
ASUS Radeon RX 6900 XT STRIX OC LC Review
TerraMaster F5-221 NAS Review
MSI Radeon RX 6800 XT Gaming X TRIO Review
Sapphire Radeon RX 6800 NITRO+ review
Update: AMD Radeon VII review
As promised, with the latest compatible build of AfterBurner, we have now been able to successfully tweak the Radeon VII. We updated the overclocking page on the Radeon VII review with Time Spy and four game results. On average we can find another 5 to 6% in performance when tweaked.
You can read the tweak page here.
« Download: Afterburner 4.6.0 Beta 16 build 14806 - more Radeon VII and a new skin · Update: AMD Radeon VII review
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mohiuddin
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Joined: 2010-11-06
Senior Member
Posts: 862
Joined: 2010-11-06
#5644985 Posted on: 02/28/2019 07:04 PM
U know what @Hilbert Hagedoorn , Ur overclocking review is one of the most complete and directed-to-average- user reviews i have ever seen.
U know what @Hilbert Hagedoorn , Ur overclocking review is one of the most complete and directed-to-average- user reviews i have ever seen.
JonasBeckman
Senior Member
Posts: 17285
Joined: 2009-02-25
Senior Member
Posts: 17285
Joined: 2009-02-25
#5645002 Posted on: 02/28/2019 07:59 PM
Pretty impressive for stock cooler!
So I wonder how something like a Morpheus Vega kit cooler with 2 NF-F12's would do on thermals and clocking.
From the results I'm finding it looks like the GPU can possibly pull 2.2 Ghz on the core though binning and such will determine where it peaks and what it requires in order to hit that, 2 Ghz seems doable for several of these once the current thresholds and throttles and limits are gone. Primarily that does seem to be heat and thermal related in particular the "hot spot" type sensor which going by Unwinder and his comments in the beta topic for MSI Afterburner the sensor regularly hits 100c so if this is the same as Vega where that could routinely hit 80 - 90c or higher then that's a major factor for this thermal throttling and getting that cooled such as via a good block of metal and cold water is going to really help with maintaining a higher core clock speed.
As it seems memory gains are minimal or non-existent possibly only factoring in during some benchmarks now that the bandwidth bottleneck is no longer a factor for this Vega model so gains seem entirely on the core and keeping a maintained and high speed there up from ~1700 Mhz-ish to possibly 2000 Mhz to 2100 Mhz since every GPU is going to be slightly different.
Not that I'm that good at this but getting that thermal issue sorted seems to really help and then it's down to bumping the power limit up a tad and then it's up to wherever the GPU peaks at without artifacts and all that or hitting a spike where smaller gains would require even more voltage which same as Vega or possibly even more so if these are Mi50 models that didn't quite make it the results here will be quite varied, some will handle undervolting nicely and others might not have much headroom at all.
Still have more to learn and read up on but for overclocking results 2.2 Ghz seems to be close to max thus far.
https://www.reddit.com/r/Amd/comments/avafw3/watercool-radeon-vii-2199hz-oc/
EDIT: Ah and I see that initial post got a update too since yesterday I think was when I saw it?
Edit: Working with Power Play Tables to hopefully hit 2300hz. Running into stability issues with it currently even at my 2200hz target much less 2300 target after applying it and I'm stable once I remove it. Hopefully when I figure it out I'll be chugging through 2300mhz maybe even 2400mhz. Though this bykski block has me worried a bit
Edit 2: Power play table mod added but running but into to issues when trying to set clock target beyond 2200. Perfectly stable at 2200mhz and with the +%50 power limit getting more consistent 2150mhz+ with less dips. Memory at 1300mhz with out breaking a sweat. Upping the power limit seems to introduce even more stable clocks.
Gotta see why I can't run beyond 2200. Going to try rolling back 19.2.2 drivers since I am on 19.2.3
ALL the power, though it will be interesting to see if it can do above 2.2 then.
EDIT: Hmm where did the hot-spot throttle for Vega go into effect again, 100 to 105c was it? Maybe it's the same as VII here.
(There are some changes to the PCB and probably the GPU core too as a Vega20 beyond just 4x blocks of HBM2 instead of 2x blocks but there are probably many similarities even so though also several differences.)
Pretty impressive for stock cooler!
So I wonder how something like a Morpheus Vega kit cooler with 2 NF-F12's would do on thermals and clocking.
From the results I'm finding it looks like the GPU can possibly pull 2.2 Ghz on the core though binning and such will determine where it peaks and what it requires in order to hit that, 2 Ghz seems doable for several of these once the current thresholds and throttles and limits are gone. Primarily that does seem to be heat and thermal related in particular the "hot spot" type sensor which going by Unwinder and his comments in the beta topic for MSI Afterburner the sensor regularly hits 100c so if this is the same as Vega where that could routinely hit 80 - 90c or higher then that's a major factor for this thermal throttling and getting that cooled such as via a good block of metal and cold water is going to really help with maintaining a higher core clock speed.
As it seems memory gains are minimal or non-existent possibly only factoring in during some benchmarks now that the bandwidth bottleneck is no longer a factor for this Vega model so gains seem entirely on the core and keeping a maintained and high speed there up from ~1700 Mhz-ish to possibly 2000 Mhz to 2100 Mhz since every GPU is going to be slightly different.
Not that I'm that good at this but getting that thermal issue sorted seems to really help and then it's down to bumping the power limit up a tad and then it's up to wherever the GPU peaks at without artifacts and all that or hitting a spike where smaller gains would require even more voltage which same as Vega or possibly even more so if these are Mi50 models that didn't quite make it the results here will be quite varied, some will handle undervolting nicely and others might not have much headroom at all.
Still have more to learn and read up on but for overclocking results 2.2 Ghz seems to be close to max thus far.
https://www.reddit.com/r/Amd/comments/avafw3/watercool-radeon-vii-2199hz-oc/
EDIT: Ah and I see that initial post got a update too since yesterday I think was when I saw it?
Edit: Working with Power Play Tables to hopefully hit 2300hz. Running into stability issues with it currently even at my 2200hz target much less 2300 target after applying it and I'm stable once I remove it. Hopefully when I figure it out I'll be chugging through 2300mhz maybe even 2400mhz. Though this bykski block has me worried a bit
Edit 2: Power play table mod added but running but into to issues when trying to set clock target beyond 2200. Perfectly stable at 2200mhz and with the +%50 power limit getting more consistent 2150mhz+ with less dips. Memory at 1300mhz with out breaking a sweat. Upping the power limit seems to introduce even more stable clocks.
Gotta see why I can't run beyond 2200. Going to try rolling back 19.2.2 drivers since I am on 19.2.3
ALL the power, though it will be interesting to see if it can do above 2.2 then.
EDIT: Hmm where did the hot-spot throttle for Vega go into effect again, 100 to 105c was it? Maybe it's the same as VII here.
(There are some changes to the PCB and probably the GPU core too as a Vega20 beyond just 4x blocks of HBM2 instead of 2x blocks but there are probably many similarities even so though also several differences.)
HardwareCaps
Senior Member
Posts: 452
Joined: 2018-05-03
Senior Member
Posts: 452
Joined: 2018-05-03
#5645005 Posted on: 02/28/2019 08:10 PM
@Hilbert Hagedoorn
What about undervolting the card? Vega shows good results with undervolting. would be interesting to see.
@Hilbert Hagedoorn
What about undervolting the card? Vega shows good results with undervolting. would be interesting to see.
anxious_f0x
Senior Member
Posts: 1685
Joined: 2013-11-08
Senior Member
Posts: 1685
Joined: 2013-11-08
#5645007 Posted on: 02/28/2019 08:18 PM
@Hilbert Hagedoorn
What about undervolting the card? Vega shows good results with undervolting. would be interesting to see.
Undervolting is covered at the bottom of the overclocking page.
@Hilbert Hagedoorn
What about undervolting the card? Vega shows good results with undervolting. would be interesting to see.
Undervolting is covered at the bottom of the overclocking page.
Click here to post a comment for this news story on the message forum.
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Joined: 2006-07-04
Pretty impressive for stock cooler!
So I wonder how something like a Morpheus Vega kit cooler with 2 NF-F12's would do on thermals and clocking.