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MSI 7970 Lightning BE

post #1 of 9
Thread Starter 
So newegg is finally selling the Lightning BE (1150Mhz boost clock): http://www.newegg.com/Product/Product.aspx?Item=N82E16814127736

SuperBiiz started selling it a little before newegg but for a slightly higher price.

I know these have been sold outside of the US for a while now, but does anyone have any experience with this card? Is the stock voltage 1.256v like all other Ghz Edition 7970s? Is it any better at OCing than the older Lightning? I'm assuming these are binned for low ASIC just like the older Lightnings as well?
post #2 of 9
I've had 2 Lightning BE, currently rocking 1 at the moment. Stock voltage is indeed 1.256v. ASIC is low. The first one I had was 58%, the one I have now is 64%. I dont think they OC any better than the non boost Lightnings from what I can see.
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post #3 of 9
I am wondering if it would play nice with a regular lightning in crossfire?
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post #4 of 9
It would indeed. You could just flash the BE bios to the non-BE card and then it'd turn into exactly the same as the BE card. Or vice versa of course.
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post #5 of 9
Can you crossfire a lightning with a vanilla version of 7970?

edit - ehhh... doesnt matter anymore. It doesn't look like EK is making lighting blocks any longer.
Edited by axiumone - 6/3/13 at 6:40am
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post #6 of 9
Quote:
Originally Posted by Cyph3r View Post

It would indeed. You could just flash the BE bios to the non-BE card and then it'd turn into exactly the same as the BE card. Or vice versa of course.
now that's a thought, thanks.
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post #7 of 9
Thread Starter 
I think crossfiring a boost card with a non-boost card will generally lead to some wonky things happening. So yeah, a BIOS flash would probably be in order.

But the 1.256v is disappointing. I really hate this whole boost thing. Locking the voltage at such a high amount across all boost cards lets manufacturers throw such low-quality low-binned chips in these cards. I know low ASIC is better for extreme cooling like LN2 but come on, at least 90% of Lightning buyers are going to stick with air-cooling. Why even put the TF4 cooler on there if they're binned for low ASIC? It's a waste.

How are these things OC'ing? Having 1150Mhz guaranteed is nice, but do the extra power phases and "GPU reactor" actually help it reach 1200-1300?
post #8 of 9
Quote:
Originally Posted by iamhollywood5 View Post

I think crossfiring a boost card with a non-boost card will generally lead to some wonky things happening. So yeah, a BIOS flash would probably be in order.

But the 1.256v is disappointing. I really hate this whole boost thing. Locking the voltage at such a high amount across all boost cards lets manufacturers throw such low-quality low-binned chips in these cards. I know low ASIC is better for extreme cooling like LN2 but come on, at least 90% of Lightning buyers are going to stick with air-cooling. Why even put the TF4 cooler on there if they're binned for low ASIC? It's a waste.

How are these things OC'ing? Having 1150Mhz guaranteed is nice, but do the extra power phases and "GPU reactor" actually help it reach 1200-1300?

The whole point of the Lightning cards is for extreme cooling. So low ASIC is exactly the right choice for these cards, if you don't like it, get a different 7970 that isn't binned. Low ASIC =/= Low quality.

My Lightning BE reaches 1350mhz with air cooling. So pretty good IMO.
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post #9 of 9
I have no issues with how the card is binned, my reg lightning hits 1200@1.20v without a problem on air so at 1.25 I know I could go higher just never really saw the need ha ha ha.
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