[Lab501]AMD's HD 7870 volt modded to 1500MHz - Overclock.net - An Overclocking Community

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[Lab501]AMD's HD 7870 volt modded to 1500MHz

 
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post #1 of 8 (permalink) Old 03-21-2012, 03:30 AM - Thread Starter
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http://lab501.ro/placi-video/amd-radeon-hd-7870-studiu-de-overclocking
473

353

Quote
"VRM for GPU has 5 phases controlled by Chile 8225G and are built with Renesas mosfet 40A R2J20658NP of PA2080.191NL Pulse coupled inductors with the same current, the filter using polymer capacitors. Components are quality and VRM's resistance is very good, including in conditions of high TDP and lack any kind of cooling."



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post #2 of 8 (permalink) Old 03-21-2012, 03:34 AM
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post #3 of 8 (permalink) Old 03-21-2012, 03:35 AM
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Sweet!


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post #4 of 8 (permalink) Old 03-21-2012, 03:37 AM
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Not 1500MHz. tongue.gif

And that's actually pretty impressive. Still less than what my 7970 gets at 1150 / 1600 though. Impressive nonetheless though.

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post #5 of 8 (permalink) Old 03-21-2012, 03:40 AM - Thread Starter
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Quote:
Originally Posted by pioneerisloud View Post

Not 1500MHz. tongue.gif
And that's actually pretty impressive. Still less than what my 7970 gets at 1150 / 1600 though. Impressive nonetheless though.

Not in all tests no,they were ran at varying clocks

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post #6 of 8 (permalink) Old 03-21-2012, 03:42 AM
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Quote:
Originally Posted by Redwoodz View Post

Quote:
Originally Posted by pioneerisloud View Post

Not 1500MHz. tongue.gif
And that's actually pretty impressive. Still less than what my 7970 gets at 1150 / 1600 though. Impressive nonetheless though.

Not in all tests no,they where ran at varying clocks

369

Ahhh.....

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post #7 of 8 (permalink) Old 04-03-2012, 11:28 AM
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Hi Redwoodz, that is an awesome score!!! thumb.gifthumb.gifthumb.gif How did you do that? Btw vgpu stay 1.250volt at 1500mhz??? I see it on Afterburner monitoring.
So far with air cooling I manage to get this :
vantage2.png

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Note : Do you get mis-read in vgpu voltage like mine? In afterburner, max was 1.60volt ... thats not possible right? I only set max on 1.30volt. HWmonitor also mis-reads myvoltage.

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post #8 of 8 (permalink) Old 10-15-2018, 11:45 AM
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I have an AMD Firepro w7000 4gb (based on amd 7870) that i have watercooled the core with and left the cooling plate on all the other components and have a fan blowing on it. Do you think this mod is possible on the firepro? Also do you think the extra 2gb of vram will improve the score alot?
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