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VEGAMO

Issues Stuttering With 2x270x Crossfire

Question

VEGAMO

Hello,

One of the most annoying things out there are when people try and help with the dumbest answers possible - therefore I am going to explain the problem - READ CAREFULLY BEFORE YOU ANSWER.

When I play GTA V with crossfire turned off, the game runs smoothly between 30-55 FPS
When I play GTA V with crossfire turned ON, the game stutters A LOT but runs between 45-65 FPS.

Yes - I have installed 15.4 Beta.
Yes- My cards are in the correct slots
Yes - I see the crossfire logo on the top right of the screen when I am trying to play
Yes - I have tried all different GTAV profiles like Default, AFR, 1x1, and AMD pre-defined Profile
Yes - MY PC IS TURNED ON

SPECS:
FX - 8320
2x270x (ASUS 4GB and XFX 2GB)
8GB 1866MHZ DDR3 RAM
256GB SSD Samsung 840.


WTF IS GOING ON? I hear people around the web saying their (insert AMD cardnames) Crossfired are running everything smoothly.

That's not possible - something is wrong here.
there's no way my crossfire setup can only give me a 10FPS increase and perform worse.

Anyone know ?

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VEGAMO

 

 

Not working still

 

 

BUMP

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Frank ツ

have u tried disabling ulps?

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VEGAMO

have u tried disabling ulps?

I just did, Stuttering got better for sure. It still exists, but at least it's playable now.

 

Any other suggestions?

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Frank ツ

You have the power settings in windows to max performance?

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UTKR

on my new desktop with a 4k monitor.

Specs

Intel Core i7-5960X 6 cores(12 threads) at 3.5 Ghz

32 gb ram

Nvidia Titan X

1 tb hdd.

Will I get ultra settings+4k+60fps???

Please help.

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VEGAMO

You have the power settings in windows to max performance?

I just did, I also increased my power +20% on afterburner.

 

Weird side effects - The GPUS are running cooler but also only using 30% - 40%

 

Frame rate still hovers around 47-30, Which is way too low for a 2x270x

 

I am starting to realize Rockstar didn't really optimize the game for crossfire/SLI

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VEGAMO

f*ck it, I am just going to sell the two 270x's and get a 290 or a GTX 970


 

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Frank ツ

 

f*ck it, I am just going to sell the two 270x's and get a 290 or a GTX 970

 

 

 

crossfire works perfectly for me , i get 65 with around 60% usage on both my cards, no need more usage since they only need 60% to achieve 65 fps

 

have u tried uninstalling the driver using ddu and then reinstall the amd gta drivers?

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mosibfu

well i have 2x HD 7870, wich are basically the same cards as you, yet i dont have a 2012 amd chip, but an overclocked i5 3570k.

 

so.. as soon as this game is done downloading... :facedesk: i will tell you how my pc is performing.. meaning: if i dont have these issues, you are running into a cpu bottleneck.. (what i suspect)

 

what you could try yourself is:

 

figure out what runs on your cpu, as there are some post processing effects that actually do run on cpu, disabling these could help

Edited by mosibfu

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Quick420

Could it be an issue with your 4gb/2gb card mix? I would look into that issue.

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VEGAMO

Could it be an issue with your 4gb/2gb card mix? I would look into that issue.

 

They both have 2GB of Vram. Same exact card, just one has more memory.

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