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matrix vs top

I actually own a couple of these and will check the other when I get time. Had mine for months. I believe Kaap's got a couple as well. If he own's a multimeter, we could do with him also checking his to confirm.
 
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If these ones are voltage locked then you'd be able to ask for a refund. But 1.256v is still quite a high voltage, and you won't get that on the top version.
 
teppic said:
If these ones are voltage locked then you'd be able to ask for a refund. But 1.256v is still quite a high voltage, and you won't get that on the top version.
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You cannot lower it either. They are definitely locked just tried the same with a mates over the phone and his reads the same on both GPU-Z and multi meter.

Crafty buggers Asus especially as it's plastered all over the box about how adjustable they are..
 
Now i'm intrigued! If indeed mine are voltage locked at 1.256v. Mine will do up to 1320/1900+ in benchmarks. If they could run at there advertised volts of 1.4v they would be capable of more.
 
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Running Valley card set to 1200 core with 1.319v according to GPU tweak. GPU-Z and my multimeter say otherwise... I have tried various version of GPU Tweak now all with the same results.

 
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teppic said:
I'd get in touch with CS and get them to ask the Asus rep.
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I'm happy with the performance now its running ok. Just a bit annoyed that half the cards features are essentially useless. The hardware buttons to adjust voltage do nothing at all other than adjust the lights.

As above if the card would allow the voltage to be adjusted you could possibly clock higher or even lower the voltage to lower temps.
 
MOOGLEYS said:
I'm happy with the performance now its running ok. Just a bit annoyed that half the cards features are essentially useless. The hardware buttons to adjust voltage do nothing at all other than adjust the lights.

As above if the card would allow the voltage to be adjusted you could possibly clock higher or even lower the voltage to lower temps.
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Both good points. More so the fact you could run lower voltage as 1.256v is way over kill to run the stock clocks on these cards.
 
Geeman1979 said:
Both good points. More so the fact you could run lower voltage as 1.256v is way over kill to run the stock clocks on these cards.
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It means all the extra features of these cards is essentially useless as you have no control over the voltage. No point in the hard buttons or even most of the voltage control circuitry.

At least they are fairly cheap now and the small increase in cost over others is worth it for the cooler.

Still feel ruddy conned though. The sale of goods act has been ignored on so many levels :)

It's even more of a con that GPU tweak incorrectly shows the voltage so unless you connected up a meter to check you would not think anything of it.


On the product page for the card.

VGA Hotwire connects card and ROG board voltage regulators for accurate and solder-free hardware-level voltage control.
TweakIt offers real-time fingertip-easy hardware level voltage adjustment by simply pressing the + and - buttons.
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TweakIt

Instant voltage adjustment
TweakIt provides flexible overclocking control even when gaming or running benchmarks! The + and - buttons put overvolting adjustments at your fingertips, with more power translating into the faster and smoother gaming you crave and the winning edge you require for intense multiplayer and competitive benchmarking.
Click to expand...

GPU Tweak

The world's first graphics overclocking tool with loadline calibration and VRM overclocking.
Easily fine-tune core and memory clocks, voltages, and fan settings intuitively via sliders or manual value entry. MATRIX HD 7970 arrives with a new ROG edition of GPU Tweak, which adds detailed GPU loadline calibration and VRM frequency tuning, allowing for the most extensive control and adjustment parameters for maximum overclocking potential.
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http://www.asus.com/Graphics_Cards/MATRIXHD7970P3GD5/

and then the cover your butt statement at the bottom....

All specifications are subject to change without notice.
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Version 1.0 card - Voltage control
Version 1.1 card - Voltage locked
 
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Yup Agreed!

Atleast mine clock well, so some consolation there. I would like to run mine at lower than 1.256v for day to day stock clocks though. As 1.256v is just not needed.

Lol at The 'All specifications are subject to change without notice' part!
 
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Just tried my reference 7970 same drivers and using same GPU tweak and the voltages adjusts to whatever I set it too and is confirmed in GPU-Z.

These cards are %100 voltage locked.
 
This might well explain why the Platinum I had wouldn't go above 1150 no matter what voltage I threw at it. Prolly just as well as I managed to get an awesome deal today on a MSI 7990 for £360
 
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