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hybrid crossfire

I've never had a board with that.It probably helps considering it's video onboard but, I wouldn't imagine it being better that normal CF.
 
I have one HD 6850 and an 890FX motherboard on the truck. Just wondered if it is worth the time play with hybrid crossfire or just connect to the 6850 and call it good.
 
mtrupi said:
I have one HD 6850 and an 890FX motherboard on the truck. Just wondered if it is worth the time play with hybrid crossfire or just connect to the 6850 and call it good.
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Or, can that combination do hybrid crossfire in the first place?
 
Hybrid crossfire is great if your discrete graphics card is a LOW end 4k series card (like 43x0).. Other then that no just use your discrete graphics card.
 
I don't think 890FX chipsets have onboard graphics -- only 890GX do.
 
I misread the motherboard part number when I posted this. It's the ASUS M4A89GTD PRO/USB3
 
I finally got around to setting this up. While I can use the 6850 and the IGFX simultaneously I never see an option for crossfire. I missed a step in the BIOS configuration. Maybe I can try this again later.

Later on...it didn't matter
 
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mtrupi said:
I finally got around to setting this up. While I can use the 6850 and the IGFX simultaneously I never see an option for crossfire. I missed a step in the BIOS configuration. Maybe I can try this again later.
Click to expand...

You can't use a 6850 in Hybrid Crossfire. ATI only allows you to Hybrid Crossfire your 890GX chipset (HD 4290) with an HD 5450.

Hybrid Crossfire is intended to be a CHEAP way for a user to increase their performance by buying the lowest-end discrete graphics card they can. By combining the performance of the cheap graphics card with the IGP, you get more performance for your dollar.

They don't bother pairing the IGP with higher-end cards because the difference in performance is just too large, so you wouldn't notice the difference really. Other possible downsides to pairing such mismatched cards:

Crossfire is all about timing, and mismatched cards are tougher to estimate timing for. Poor timing means jittery framerates, which can ruin your gaming experience.
 
defaultluser said:
You can't use a 6850 in Hybrid Crossfire. ATI only allows you to Hybrid Crossfire your 890GX chipset (HD 4290) with an HD 5450.

Hybrid Crossfire is intended to be a CHEAP way for a user to increase their performance by buying the lowest-end discrete graphics card they can. By combining the performance of the cheap graphics card with the IGP, you get more performance for your dollar.

They don't bother pairing the IGP with higher-end cards because the difference in performance is just too large, so you wouldn't notice the difference really. Other possible downsides to pairing such mismatched cards:

Crossfire is all about timing, and mismatched cards are tougher to estimate timing for. Poor timing means jittery framerates, which can ruin your gaming experience.
Click to expand...

Thank you. That is the answer I was looking for. Even though I suspected as much, I was not satisfied with anything I was able to dig up on my own. BTW, Asus support just verified exactly what you wrote.
 
mtrupi said:
Thank you. That is the answer I was looking for. Even though I suspected as much, I was not satisfied with anything I was able to dig up on my own. BTW, Asus support just verified exactly what you wrote.
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It's not your fault.

The reason you can't find information about it easily is because AMD is being deliberately obtuse. They are not detailing the Hybrid Crossfire capability of the 800-series chipsets in any of their product literature: the 890GX product page doesn't even mention it, and their useful Crossfire chart pretends the 800-series does not exist.

It's really fucking clumsy for AMD to drop the ball like this after just one generation of Hybrid Crossfire support - we get threads in the forum about this every couple weeks because there's no information to be found.

/rant.
 
defaultluser said:
It's not your fault.

The reason you can't find information about it easily is because AMD is being deliberately obtuse. They are not detailing the Hybrid Crossfire capability of the 800-series chipsets in any of their product literature: the 890GX product page doesn't even mention it, and their useful Crossfire chart pretends the 800-series does not exist.

It's really fucking clumsy for AMD to drop the ball like this after just one generation of Hybrid Crossfire support - we get threads in the forum about this every couple weeks because there's no information to be found.

/rant.
Click to expand...

Because the HD5450 is priced way too close to the HD5550, whch basically slaughters it in any crossfire situaton, hybrid or not.

The HD3450 and HD4350 are going EOL before long, too.

From what I see on NewEgg, it's 45USD AMIR vs 55USD AMIR. For a GPU that litterally has 4x the shaders, similar clocks, and twice the memory bandwidth.
 
jeremyshaw said:
Because the HD5450 is priced way too close to the HD5550, whch basically slaughters it in any crossfire situaton, hybrid or not.

The HD3450 and HD4350 are going EOL before long, too.

From what I see on NewEgg, it's 45USD AMIR vs 55USD AMIR. For a GPU that litterally has 4x the shaders, similar clocks, and twice the memory bandwidth.
Click to expand...

Well yeah, it's obvious they're trying to kill it because the value just isn't there - I just posted in a thread last week saying the same thing. But this passive-aggressive monkeying around just doesn't sit well with me.

If you want to kill the feature, then just disable it. Don't confuse people with half-assed support.
 
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