![]() ![]() Radeon Overlay - broken and quite frankly bizarre behaviour at times In addition things like Radeon Performance Overlay - broken. A 6.6% FPS improvement - that's almost worth a 12 nm re-tapeout of an RX 580 these days right? Now RX Vega launch is over, why can't that HBM overclocking on R9 FuryX / Nano be re-enabled? It's not like you can buy new R9 FuryX or Nano anymore anyhow.Īpart from that, black screening and system freezing audio buzz is a pretty constant feature with AMD Drivers in past 1.5 years. Not true - overclocking HBM on R9 Fury X gives me + 6.6% FPS performance improvement in Batman Arkham Origins benchmark for example, and also shows performance improvement in other games. I get told on AMD Discord that it showed no performance improvement in games. Using those techniques are accepted for 3D Mark Scores. That HBM Overclocking showed performance boost in 3DMark Firestrike, FireStrike Extreme, FireStike Ultra, Timespy, TimeSpy Extreme. Take one thing - HBM overclocking with Sapphire Trixx on my R9 Fury X and Nanos were disabled due to Adrenalin driver changes. ![]() Also GCN1.0 Cards like R9 280x and HD7970 are not supported anymore in new versions of Blender or ROCm. That's when Windows 8.1 64 bit driver support was dropped. ![]() My point is the Adrenalin Drivers have been pretty awful for me running R9 Fury X/ Nano in Crossfire and in single GPU in terms of stability and features not working or dropped since before RX Vega Launch - 17.7.2 driver if I am not mistaken. Sometimes the results of Running R9 FuryX/Nano down to HD7970/R9 280x in Crossfire are very impressive. I use DX11 Crossfire and DX12 MultiGPU because it's there and in some cases it is worth running if I get a second AMD GPU cheaply or I need it for other things like compute. Hope spending 2x just to run a few games is worth it. However even then swapping between full screen and desktop and back into full screen results in awful flicker in BF4, BF1, Sniper Elite 4, and Rise of the Tomb Raider for me. My R9 Fury X's and Nanos and GPU down to R9 280x/HD7970 work really well on some games also, under very careful conditions. I remember the exact problem when we transitioned from DX10 to DX11 in 2010 if I remember correctly.Ĭongratulations that your exactly matched RX Vega 64's work on a handful of games. We are in a transitioning period, from DX11 to (DX12, Vulkan), where the multi GPU support must be implemented from the developers themselves, rather than AMD or Nvidia like before. I think the advice is not to use DX11 Crossfire any more as it is de-emphasized. Far Cry 5 profile, shadow flickering, stutter, freesync issues and -2% negative scaling at 1440p. Deus Ex MD profile, freesync broken, must use Vsync with input lag. The only problem I have is with these crossfire profiles: Tom Clancy Ghost Recon Wildlands, Tom Clancy The Division, Ryse Son of Rome, Max Payne 3, Hitman 2016 I also tested last month these other DX11 crossfire games, they are working without issues: Metro: Last Light, 1440p, max settings, 190fps ![]() Rise of the Tomb Raider, 1440p, max settings, 140fps Sniper Elite 4, 1440p, max settings, 140fps Alien Isolation, 4k with VSR (3840 x 2160) max settings, 170fps Sapphire RX Vega 64 crossfire (Stock clock speed, undervolted) I can only comment on the last 3 drivers, the latest 18.12.2 and 18.12.1 and 18.11.2 ![]()
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