[Official] AMD Radeon VII Owner's Club - Page 75 - Overclock.net - An Overclocking Community

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[Official] AMD Radeon VII Owner's Club

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post #741 of 1070 (permalink) Old 03-18-2019, 09:28 AM
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Quote: Originally Posted by BTViolence View Post
I'll have to see what I can hit at 1440p, when I was in-game going between 1440p and 4K there was a substantial difference in framerate. Ultra isn't what I would consider playable at 4K.
im somewhere in between, maybe 3k, 3440x1440 all settings at ultra, fps 75(freesync) but sometimes drops to low 60's. Everything smooth
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post #742 of 1070 (permalink) Old 03-18-2019, 11:50 AM
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Quote: Originally Posted by pdasterly View Post
im somewhere in between, maybe 3k, 3440x1440 all settings at ultra, fps 75(freesync) but sometimes drops to low 60's. Everything smooth

Yeah, 3440x1440 is a a considerable less amount of pixels (about 60% of 4K) so the performance I was getting where it would dip into the 40's is on par with resolution scaling degrading performance. Optimally, you would turn down fog and some other stuff like in Assassin's Creed Odyssey because that's a big factor to the lower than desired performance. And, it's really not much of a visual quality difference.


Hardware unboxed did a good video on the optimization of the settings:

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post #743 of 1070 (permalink) Old 03-18-2019, 01:36 PM
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Ok, It seems I solved also the "stutter issue" I had.

If power limit is -20% loading of new objects may cause the stutter. Some observations:

a) Radeon VII seems to runs permanently on PCI-E 3.0
At least GPU-Z indicates like that. As was mentioned, VII is a cut down version of a server card which originally had capacity up to PCI-E 4.0. I would not be surprised that limiting it to PCI-E 3.0 on software level might come at "cost", that PCI-E slot does not downclock.

b) Effect above and loading of a new object rom CPU might trigger RAM to clock on max speed unexpectedly.
Because it hapenned during loading of new objects (a notorious issue on CryEngine) may probably cause temporarily to go above given power limit and the whole operation might be considerably postponed.

VII is a strange beast to be honest...

@BTViolence
Honestly it looks to me that unless game is properly optimized (Witcher 3) 4k is not possible on 60fps or performance loss.

--- Building in progress * AMD Threadripper 1900x * Asrock X399M Taichi * Radeon VII * Gskill Xflare / Samsung B-die 3200 14-14-14-32 * Samsung 970 PRO 512gb * Fractal Design Node 804 * Seasonic Prime Ultra 850 Titanium *
--- Desktop * AMD Phenom II x6 1090t @ 3,8GHz * ASUS M5A99FX PRO R2.0 * Gigabyte R9 FuryX * A-Data XPG 2.0 / Elpida Hyper MNH 1866 @ 1600 6-6-6-18 * LSI 9211-8i / Raid 0 / 5x Corsair Force 3 GS * Creative Xfi Fatal1ty * Intel I210-T1 * Steelseries 6Gv2 * Logitech MX518 * Samsung U28E590D *

Last edited by Offler; 03-18-2019 at 04:11 PM.
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post #744 of 1070 (permalink) Old 03-18-2019, 05:39 PM
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Quote: Originally Posted by Offler View Post
Ok, It seems I solved also the "stutter issue" I had.

If power limit is -20% loading of new objects may cause the stutter.
I found dropping the power limit too low on my 1070 would make it stutter as well.
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post #745 of 1070 (permalink) Old 03-18-2019, 06:01 PM
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1440p is much better, 8700k @ 4.7 GHz, VII @ stock/auto undervolt with the Ultra preset and V-Sync off. @pdasterly


@Offler What's the intention with the extreme underclocking?
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Hot and Bothered
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Core i7 8700k
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G.Skill Ripjaws V
Hard Drive
Samsung 850 EVO
Hard Drive
Western Digital Black
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Seagate Barracuda
Power Supply
Corsair RM850
Cooling
Corsair H115i
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NZXT H440
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Windows 10 x64
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Asus VP28U (4k)
Monitor
Asus MG248 (1080p)
Keyboard
Fnatic Streak
Mouse
Fnatic Flick 2
Audio
Audioengine D1 DAC
Audio
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Audio
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Audio
Behringer U-Phoria UM2 Interface
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post #746 of 1070 (permalink) Old 03-18-2019, 10:08 PM
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Quote: Originally Posted by BTViolence View Post
1440p is much better, 8700k @ 4.7 GHz, VII @ stock/auto undervolt with the Ultra preset and V-Sync off. @pdasterly


@Offler What's the intention with the extreme underclocking?
thats a big number.

my 4790k is showing its age
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post #747 of 1070 (permalink) Old 03-19-2019, 01:29 AM
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Quote: Originally Posted by BTViolence View Post
@Offler What's the intention with the extreme underclocking?
I was testing whether the lapped stock cooler with Arctic Silver 5 thermalpaste will get better results as the original crooked cooler with carbon pad. So far I can tell that Arctic Silver 5 seems to be ideal thermalpaste for such configuration, and that lapping with "washermod" does have a positive impact. Point was to test the new cooler setup on different consumption in watts -20% was the baseline.

Funny thing is that clocks on -20% were about the same compared to +-0% setting, FPS were same as well. Most of time i hit other limit as my display is 4k @ 60Hz. For example Witcher 3 runs on 4k really well, slightly below 60FPS, but the rest is handled by Freesync and everything looks really smooth. And then I sometimes ran out, took a ride and the game was stutterring. Now its not anymore.

KCD is too heavy in terms of effects so it runs on 1440p, and mostly get frame capped at 60.


In the end FPS did not changed, thermals got significantly better on lower RPMs, but i am still tempted to mount a CPU AIO cooler...

--- Building in progress * AMD Threadripper 1900x * Asrock X399M Taichi * Radeon VII * Gskill Xflare / Samsung B-die 3200 14-14-14-32 * Samsung 970 PRO 512gb * Fractal Design Node 804 * Seasonic Prime Ultra 850 Titanium *
--- Desktop * AMD Phenom II x6 1090t @ 3,8GHz * ASUS M5A99FX PRO R2.0 * Gigabyte R9 FuryX * A-Data XPG 2.0 / Elpida Hyper MNH 1866 @ 1600 6-6-6-18 * LSI 9211-8i / Raid 0 / 5x Corsair Force 3 GS * Creative Xfi Fatal1ty * Intel I210-T1 * Steelseries 6Gv2 * Logitech MX518 * Samsung U28E590D *
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post #748 of 1070 (permalink) Old 03-19-2019, 05:16 AM
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Offler, can't tell you why but just intution. The Radeon VII reminds me of my R9-290 cards - stout but runs a little hot (they (had 2 in CF) ran hotter than the Rad VII does.

I had replaced a custom water cooled GTX1080 (EK block) with the Rad VII so I could have an ALL AMD rig. I own a Custom water cooled GTX1080TI rig(see below) and the price jump to the GTX 2080TI was too high. A GTX 2080 was also a possibility to replace the GTX1080 but when the Rad VII appeared, I decided it was what I wanted.

I have now ordered a Bykski fullblock (ships after 3-25-19) to put the Rad VII under water.

I remember when I put the R9-290s under water, they "came alive".

Perhaps it's wishful thinking but I hope the Rad VII shows the same "liveliness".

We shall see. Preliminary reports from those doing water cooling, Games Nexus and Igor's Labs seems to show promising results.

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post #749 of 1070 (permalink) Old 03-19-2019, 07:28 AM
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Quote: Originally Posted by pdasterly View Post
thats a big number.

my 4790k is showing its age
Yeah, looks like it's a fairly demanding title for CPU and GPU. Every time a gun fires or there is some sort of effect the load spikes a good bit.

Hot and Bothered
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Core i7 8700k
Motherboard
Asus Maximus X Hero
GPU
XFX Radeon VII
RAM
G.Skill Ripjaws V
Hard Drive
Samsung 850 EVO
Hard Drive
Western Digital Black
Hard Drive
Seagate Barracuda
Power Supply
Corsair RM850
Cooling
Corsair H115i
Case
NZXT H440
Operating System
Windows 10 x64
Monitor
Asus VP28U (4k)
Monitor
Asus MG248 (1080p)
Keyboard
Fnatic Streak
Mouse
Fnatic Flick 2
Audio
Audioengine D1 DAC
Audio
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Audio
Audio-Technica AT-2020 XLR
Audio
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post #750 of 1070 (permalink) Old 03-19-2019, 09:38 AM
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i know i been waiting for ek to release block but now i have to consider alphacool as well, i need to see some benchmarks so i can buy best block
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