Crossfire lag, stuttering, drops, unstable framerate, FRTC doesn't work, etc

p3003

Commendable
Feb 21, 2016
8
0
1,510
Hi

So i got my second R9 Fury today that i installed in my computer to crossfire with the exact same R9 Fury (Sapphire R9 Fury Tri X) Both of them are not overclocked.

Everything seems to runs great, so i start a game to try the performance improvements ! (GTA V, i heard the crossfire compatibility was excellent)

The screen is flickering a lot, it was hurting my eyes to watch it while the game was loading, then i get ingame, what are those micro freezes ? What is those drops ??? What is this stuttering ? Why FRTC Doesn't work ??? So i'm getting tearing on my FREESYNC SCREEN ! (MG278Q)

THIS. On every game (bf4, gta v, planetside 2 (wich is TOTALLY unplayable, it looks like it's pausing, then resuming at 2x speed, pausing, etc))

I tried 15.11.1 (last catalyst driver), 16.3.1, 16.1.1 with clock blocker.

The results of each driver:
15.11.1: It lags
16.3.1: It lags a bit more than catalyst
16.1.1: a little bit less than 15.11.1.

My system is: MSI Gaming 7 | i7 4770k no oc | 16gb 2133mhz ram | x2 R9 FURY TRI X from sapphire | 3 monitors that are plugged to the first GPU, a MG278Q that i game on, and two other 1080p screens | Cooler Master V850 850W PSU on a UPS. (The UPS can output a maximum amount of 1000w.)

Windows 10 64 on an SSD.

Before the "850w is not enough" i would like you really do some researchs or be sure of what you are talking about, i seen with my own eyes by some websites that the FURY TDP is 275w, sometimes 225w, depends of some websites, i also seen a known twitch streamer using two overclocked 780 ti on a 750w psu with no issues at all.

I also builded my entire pc in pc part picker for the power consumption calculator, i got 790w.

Yes i used ddu but of course it didn't do anything.
 

Geekwad

Admirable
Uninstall Afterburner, Trixx or Raptor (and anything else that may save a GPU profile). Then after you uninstall what you have for an AMD driver now, use this:

http://support.amd.com/en-us/kb-articles/Pages/AMD-Clean-Uninstall-Utility.aspx

And then install the latest:

http://support.amd.com/en-us/download/desktop?os=Windows+10+-+64

If this is an Win 10 upgrade and not a clean install, and you've had other single GPU drivers installed (at one point) since the last clean install, then you may want to use this too before the newest Crimson install:

http://www.guru3d.com/content-page/guru3d-driver-sweeper.html
 

p3003

Commendable
Feb 21, 2016
8
0
1,510
Oops, sorry, i meant the 16.3.2, i already used DDU to do that, as apparently the AMD Clean Install utility would remove more than their drivers as seen on reddit.
 

Geekwad

Admirable
Yes, sometimes it does.....and always if you run it with the driver fully installed (it should only be used after add/remove programs method is used). It's why it isn't the first option for dealing with this problem, but only after you've tried the standard method. Going into safe mode and reloading the drivers usually fixes those type of issues if they occur.

And as long as you've ensured the cards are both running at x8 speeds (nothing installed in the other x16 physical slot forcing you into x8x4x4 mode) and your UEFI/BIOS is updated (I see one from last month), your memory's XMP profile is working well and cleared tests, then it is a software issue. Mulit-monitor, mixed refresh, multi-gpu, setups can be a pain to get going....sometimes necessitating a full clean OS install. Removing any and all gpu programs, gaming apps or performance-optimizing boosters through add/remove programs, rebooting after each one, and cleaning up after they're removed is the intermediate step.