Clumsy May 4 @ 1:52am
[Question] Open-source Radeon or fglrx?
I decided to switch over to Linux for a few months for fun since Dota2 is available on Steam now. I have been tinkering around and the results seem rather inconsistent between the two.

CPU: Core i5 750
GPU: HD5850
RAM: 4GB
Distro: Linux Mint 16

Was wondering what other HD5000 users are using as their configurations.

Hopefully this isn't a duplicate topic or something similar.
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phillippi2 May 4 @ 4:33am 
I think that with anything pre 7000 it's recommended that you use the open source drivers, since they actually tend to get better fps.

I'm not on a 5000 series card, instead using a 7560d apu, although I also use the radeon drivers as opposed to the proprietary ones. My fps is only slightly lower than what I get with the proprietary driver, but I'm sure I could improve that if I compile the driver myself.
Clumsy May 4 @ 5:30am 
Originally posted by phillippi2:
I think that with anything pre 7000 it's recommended that you use the open source drivers, since they actually tend to get better fps.

I'm not on a 5000 series card, instead using a 7560d apu, although I also use the radeon drivers as opposed to the proprietary ones. My fps is only slightly lower than what I get with the proprietary driver, but I'm sure I could improve that if I compile the driver myself.

Hmm, I never dabbled much with Linux for a long time. Thanks for the info.
Kossak May 8 @ 2:30pm 
I have HD 6850 and i get much better FPS on fglrx than open source drivers.
Letalis Sonus May 8 @ 4:56pm 
Originally posted by Kossak:
I have HD 6850 and i get much better FPS on fglrx than open source drivers.
On paper or in RL? fglrx tends to actually make a difference in that aspect... as in: horrible micro-stuttering vs fluid-but-less-FPS.
There's still a step left from rendering a frame and getting it onto the display, and the free driver just performs much better at that very last step, depending on how bad the used fglrx version performs the difference can be really huge - keeping your most essential code within the kernel does have its advantages.
Clumsy May 9 @ 1:06am 
Originally posted by Letalis Sonus:
Originally posted by Kossak:
I have HD 6850 and i get much better FPS on fglrx than open source drivers.
On paper or in RL? fglrx tends to actually make a difference in that aspect... as in: horrible micro-stuttering vs fluid-but-less-FPS.
There's still a step left from rendering a frame and getting it onto the display, and the free driver just performs much better at that very last step, depending on how bad the used fglrx version performs the difference can be really huge - keeping your most essential code within the kernel does have its advantages.

I've since moved back to Windows 8. I'm still looking for a nice distro that fits me, although Xubuntu was damn near perfect. Back to topic, I didn't try out fglrx but I would say that it felt more fluid, although the low FPS made it look about the same.

I noticed disabling anti-aliasing on Dota2 seemed to help with the framerates, though not a lot, since I turn V-sync on (if I don't, I get terrible tearing issues).
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