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post #2271 of 4152
Quote:
Originally Posted by Loladinas View Post

First of all, lowering your voltage using something like WattTool won't do any damage to your card either way. The worst that will happen is your PC getting locked up and you having to reboot. A driver crash and restart is more likely though. Doesn't your 470 have a bios switch either way?

I forgot, have you tried measuring your air temps at the cards intake?

Have not measured intake temps, but with the number of fans I have it should be close to room temperature (22-30C depending on the day) and Yes, there's a dual bios switch, I'm worried about the warranty, not damage. Reason being if I can't fix my card, or if something is wrong with it and it breaks without me doing anything, I wanna send it back.
    
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post #2272 of 4152
Quote:
Originally Posted by Tisser12 View Post

Ah you're right, I forgot about that. Read it the other day and went right back out of my head. Excuse my idiocracy.
Appreciate the input. I still have some learning to do I believe. Still dont' like the high as ***** VRM1 temps I get though lol.

Will LOWERING my voltages void my warranty? Never had a need/want to undervolt anything until now, I'd expect a lot better temps with less juice.

Changing voltage with wattman will not void warranty, as it respects BIOS voltage and power upper limits. The VRM Tool, however, can technically be considered warranty voiding, since you are bypassing the safety limits in the BIOS.

VRM temps up to ~100c are, from an engineering perspective, acceptable. As long as the part is rated to be in spec for the projected stock power load at that temperature.

For your card, I would dial the voltage down to 1075mv or so if you just want to stay at the clocks its at. Do that and boost the power limit up to max in wattman and you should be holding boost speeds 100% of the time. Don't forget to adjust the lower power states voltages down a bit as well, they are likely a bit high as well.
Edited by KarathKasun - 11/7/16 at 1:35am
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post #2273 of 4152
Quote:
Originally Posted by KarathKasun View Post

Quote:
Originally Posted by Tisser12 View Post

Ah you're right, I forgot about that. Read it the other day and went right back out of my head. Excuse my idiocracy.
Appreciate the input. I still have some learning to do I believe. Still dont' like the high as ***** VRM1 temps I get though lol.

Will LOWERING my voltages void my warranty? Never had a need/want to undervolt anything until now, I'd expect a lot better temps with less juice.

Changing voltage with wattman will not void warranty, as it respects BIOS voltage and power upper limits. The VRM Tool, however, can technically be considered warranty voiding, since you are bypassing the safety limits in the BIOS.

VRM temps up to ~100c are, from an engineering perspective, acceptable. As long as the part is rated to be in spec for the projected stock power load at that temperature.

For your card, I would dial the voltage down to 1075mv or so if you just want to stay at the clocks its at. Do that and boost the power limit up to max in wattman and you should be holding boost speeds 100% of the time. Don't forget to adjust the lower power states voltages down a bit as well, they are likely a bit high as well.

Right on. I'll give it a shot. Been eyeing up the nitro 480's however, because they keep dropping on sale for $250 or so..
    
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post #2274 of 4152
Quote:
Originally Posted by Tisser12 View Post

Right on. I'll give it a shot. Been eyeing up the nitro 480's however, because they keep dropping on sale for $250 or so..
They're also going to be hot. Not "90 on the VRM" hot, but still probably the hottest AIB. If you don't plan on fiddling with it MSI is probably a safer bet. Last night I tried undervolting my Nitro+. Clocked it down to 1266 and put 0.975V on the core. Even with the fans going 100% core/VRM1 still got to 60C on an overnight Valley loop. 40C over case temp. My MSI card was 10 to 15 degrees cooler. I haven't tried replacing the fans yet, but I'm just going to guess here and say that Sapphire didn't choose very good fans for their card.

I actually have an Accelero Extreme on the way. If I were after perf/$ I'd be bummed biggrin.gif

I've no idea if the card is actually stable at 0.975V on the core and 0.9V on the IMC. It's stable at those specific temperatures, but I think it'd crash if it heated up a bit more.
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post #2275 of 4152
Quote:
Originally Posted by Loladinas View Post

They're also going to be hot. Not "90 on the VRM" hot, but still probably the hottest AIB. If you don't plan on fiddling with it MSI is probably a safer bet. Last night I tried undervolting my Nitro+. Clocked it down to 1266 and put 0.975V on the core. Even with the fans going 100% core/VRM1 still got to 60C on an overnight Valley loop. 40C over case temp. My MSI card was 10 to 15 degrees cooler. I haven't tried replacing the fans yet, but I'm just going to guess here and say that Sapphire didn't choose very good fans for their card.

I actually have an Accelero Extreme on the way. If I were after perf/$ I'd be bummed biggrin.gif

I've no idea if the card is actually stable at 0.975V on the core and 0.9V on the IMC. It's stable at those specific temperatures, but I think it'd crash if it heated up a bit more.

Be prepared to buy some additional heatsinks for VRM and VRAM, Accelero Extreme depends on the backplate to dissipate heat from those components and it is very very far from optimal in my experience.
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post #2276 of 4152
Quote:
Originally Posted by ronnin426850 View Post

470 Nitro 8Gb is 1121Mhz card, that's the only guaranteed frequency, 1260 is occasional
Oh so 1260Mhz is occasional? I thought that default clock for nitro 470 is 1260Mhz, because when I see the clock using msi afterburner osd in game, my nitro 470 is always at 1260Mhz.
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post #2277 of 4152
Quote:
Originally Posted by ronnin426850 View Post

Be prepared to buy some additional heatsinks for VRM and VRAM, Accelero Extreme depends on the backplate to dissipate heat from those components and it is very very far from optimal in my experience.
You're thinking of IV. III has the heatsinks and no backplate.
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post #2278 of 4152
Quote:
Originally Posted by Maggots View Post

Oh so 1260Mhz is occasional? I thought that default clock for nitro 470 is 1260Mhz, because when I see the clock using msi afterburner osd in game, my nitro 470 is always at 1260Mhz.

Depends on load, luck of the draw, and so forth when it comes to hitting boost most of the time without changing settings. 1260 is boost ~1120 is the base. If you have power target maxed out or lowered voltages, you should see boost clock nearly 100% of the time on any card.
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post #2279 of 4152
Quote:
Originally Posted by KarathKasun View Post

Depends on load, luck of the draw, and so forth when it comes to hitting boost most of the time without changing settings. 1260 is boost ~1120 is the base. If you have power target maxed out or lowered voltages, you should see boost clock nearly 100% of the time on any card.
Oh I see, ok thanks for the explanation thumb.gif
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post #2280 of 4152
Quote:
Originally Posted by BromoL View Post

Here you can find



It looks like it actually belongs to a RX 480, but could also be some generic picture. It matches full PCB images from legitreviews:



That would be IR3551 power stages.

But their review states:


Phases disabled in the BIOS?

Lol, no. Not even slightly possible.

What a moron whoever made that statement. I'd love to correct him.... hah.

*edit*

Actually thinking about it... Mobos can do this. These are fully digital IR stages too.

Damn maybe video cards can turn off phases now. Interesting....
Edited by nexxusty - 11/7/16 at 10:33am
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