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post #21 of 64
Quote:
Originally Posted by netok607 View Post

I don't understand why it is power issue.
150W TDP is much lower than 225W (8 pin + PCI). Even max power limit 112%(168W) is still considerably lower than 225W.
As for the German review post, I literally search through all pages for the word "power" and none of them are mentioning power limit.

If you look at the charts the last column says "Clock After 30 Minutes" and each number has a PT or TT after it. PT means limited by Power Target
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post #22 of 64
Quote:
Originally Posted by ikjadoon View Post

Yup; I've seen anecdotal posts about this, with the GTX 1070s on just a single 8-pin hitting TDP limits as well *and* lower voltages leading to higher sustained boosts. Very peculiar.

http://www.overclock.net/t/1601546/official-nvidia-gtx-1070-owners-club/900_30#post_25348183
I doubt he ever hit the TDP limit. I could not find a screen cap of TDP of OCed Gigabyte Windforce, but I found one for MSI Armor OC, which also has single 8 pin and an even higher clock than Windforce. The TDP is just 53%
post #23 of 64
Quote:
Originally Posted by PhantomTaco View Post

If you look at the charts the last column says "Clock After 30 Minutes" and each number has a PT or TT after it. PT means limited by Power Target
Uh, I see. Thanks.
post #24 of 64
Quote:
Originally Posted by netok607 View Post

I doubt he ever hit the TDP limit. I could not find a screen cap of TDP of OCed Gigabyte Windforce, but I found one for MSI Armor OC, which also has single 8 pin and an even higher clock than Windforce. The TDP is just 53%

Good info.
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post #25 of 64
I have to say I am extremely impressed with the OCs on the GDDR5 found on the 1070 after installing a H110 + Kraken G10.

Core at 2.1 GHz | VRAM at 9.5 Gbps w/ max load temp of 39C!!!

(Will be posting YouTube video later tonight. This is my first attempt at a video like this, so don't expect pro speaking skills (i.e. "uh" and "um", lol))

I did run into one problem and that is why the preview thumbnail is throwing sparks out haha. So the H110 has as short or shorter tubes than my 120mm TT Water 2.0 Pro that is installed on my CPU!!! I couldn't believe how short they were once I had it in hand. I should have looked up the tube length online and measured, but it's hard to tell how much length you are going to lose in going around the GPU and up to the roof. The roof of my case is the only position that is able to take a 280mm radiator as is. I guess it would be smart to ask this question in a Corsair 650D thread too. I have plenty of experience with a Dremel tool, a few hands tools and a rivet gun t o basically give an Antec 900 a mobo tray. and hide all cables. That was my first time cutting metal out of a case and I am willing to do it again, but right now where it is currently sitting in the middle is literally almost perfect. I keep my top exhaust for the CPU's hot air exhausting into the case (since it's an intake on the back of the case). This makes putting the GPU's radiator below the CPU's intake fake for it's double width 120mm radiator. That hot air is immediately exhausted out the top by a 200mm fan. The GPU's radiator is getting direct cold air from the outside blown to it by a 200mm fan and still allows the HD to be cooled. It could be better optimized, I bet I could get it down to 35C top temp if I hit 39-40C on my first try. I will admit I have owned GPUs for nearly 20 years of my life and this is the first time I have bothered to put water onto a GPU. It has always been a $300+ investment unless buying used gear, this is a fraction of that cost with damn near same results. Full coverage blocks are really nice, but also very costly. One day sure, but not yet. For now this is enough for me and thank you Micron for the fastest GDDR5 I have ever had in my possession. Completely stable up 9.6-9.7 Gbps in most games, highly intensive games can rarely cause an artifact or two and crash the game, but we are talking about a couple out of a few dozen that I play. (9.5 Gbps is completely stable in all games though)


For well under $200 I think this is a hell of an upgrade considering my load temps went from 75C to 39C with a higher OC all around!

H110: $115
NZXT G10: $30
Noctua 92mm NF-A9: $17 +
Total: $162
post #26 of 64
Quote:
Originally Posted by NCSUZoSo View Post

I have to say I am extremely impressed with the OCs on the GDDR5 found on the 1070 after installing a H110 + Kraken G10.

Core at 2.1 GHz | VRAM at 9.5 Gbps w/ max load temp of 39C!!!

(Will be posting YouTube video later tonight. This is my first attempt at a video like this, so don't expect pro speaking skills (i.e. "uh" and "um", lol))

I did run into one problem and that is why the preview thumbnail is throwing sparks out haha. So the H110 has as short or shorter tubes than my 120mm TT Water 2.0 Pro that is installed on my CPU!!! I couldn't believe how short they were once I had it in hand. I should have looked up the tube length online and measured, but it's hard to tell how much length you are going to lose in going around the GPU and up to the roof. The roof of my case is the only position that is able to take a 280mm radiator as is. I guess it would be smart to ask this question in a Corsair 650D thread too. I have plenty of experience with a Dremel tool, a few hands tools and a rivet gun t o basically give an Antec 900 a mobo tray. and hide all cables. That was my first time cutting metal out of a case and I am willing to do it again, but right now where it is currently sitting in the middle is literally almost perfect. I keep my top exhaust for the CPU's hot air exhausting into the case (since it's an intake on the back of the case). This makes putting the GPU's radiator below the CPU's intake fake for it's double width 120mm radiator. That hot air is immediately exhausted out the top by a 200mm fan. The GPU's radiator is getting direct cold air from the outside blown to it by a 200mm fan and still allows the HD to be cooled. It could be better optimized, I bet I could get it down to 35C top temp if I hit 39-40C on my first try. I will admit I have owned GPUs for nearly 20 years of my life and this is the first time I have bothered to put water onto a GPU. It has always been a $300+ investment unless buying used gear, this is a fraction of that cost with damn near same results. Full coverage blocks are really nice, but also very costly. One day sure, but not yet. For now this is enough for me and thank you Micron for the fastest GDDR5 I have ever had in my possession. Completely stable up 9.6-9.7 Gbps in most games, highly intensive games can rarely cause an artifact or two and crash the game, but we are talking about a couple out of a few dozen that I play. (9.5 Gbps is completely stable in all games though)


For well under $200 I think this is a hell of an upgrade considering my load temps went from 75C to 39C with a higher OC all around!

H110: $115
NZXT G10: $30
Noctua 92mm NF-A9: $17 +
Total: $162

That is very impressive and look forward to seeing your video. Tomorrow my zotac gtx 1070 amp extreme will be here. Almost ended getting two RX 480 devil cards but figure I give this card a try. Also almost ended up getting the 1080 version but figure was over kill for my system.
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post #27 of 64
Quote:
Originally Posted by netok607 View Post

I doubt he ever hit the TDP limit. I could not find a screen cap of TDP of OCed Gigabyte Windforce, but I found one for MSI Armor OC, which also has single 8 pin and an even higher clock than Windforce. The TDP is just 53%

The GPU-Z Render Test is NOT a heavy load, play a game or run a 3D Benchmark on any 8pin 1080 and you'll hit the power limit regardless of which card it is. My EVGA SC constantly throttles due to the PL in Time Spy and Firestrike. While clocks peak at 2114, throughout the majority of the GPU tests the core is actually anywhere from 2030-2080.

For reference the default TDP on the EVGA SC is 175w, with the PL set to 120%, it allows upwards of 210w, which is definitely not the limit for an 8pin connector but that is besides the point. The biggest limit for most pascal cards is either the PL or your luck with the silicon lottery atm.
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post #28 of 64
There's no crazy "hypothesis" or "theory" going on here, it has been a very well known fact since day 1 (or maybe even earlier) that the Pascal cards are BIOS limited in terms of overclocking regardless of temperature or better-than-reference power delivery. It's more of a power limit issue than a voltage limit issue, but the end result is the same. Nvidia is limiting what the cards are capable of via BIOS locks. It's not some sort of crazy 1070 limiting conspiracy either, since the 1080s have the exact same issues. My GTX 1070s are running ~1975mhz in game, that's around a 17.5% overclock OVER THE "FACTORY OVERCLOCK" on reference PCBs and reference coolers just by sliding some bars in a piece of software. For those of us that remember the days of taking a soldering iron to their brand new video cards to get that kind of overclock, that's pretty freakin impressive. But now we sit on the forums and talk about how it's "bad business" and "an issue" that Nvidia only gives us SOME wiggle room outside their design parameters...

And on that note, I'm going to go yell at some kids to get off my lawn.
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post #29 of 64
Quote:
Originally Posted by NCSUZoSo View Post

For well under $200 I think this is a hell of an upgrade considering my load temps went from 75C to 39C with a higher OC all around!

H110: $115
NZXT G10: $30
Noctua 92mm NF-A9: $17 +
Total: $162

Wow, that's amazing. I love it. I'm beyond hyped to see this video. A 280mm rad on a GPU? Let's go, baby! biggrin.gif

I'd been planning a 120mm AIO, but now you're making me debate whether I should go to 240mm.

OK, the elephant in the room: do you prefer the liquid cooled 1070 (~$600) versus a blower GTX 1080 ($620)? Maybe a priority of silence over performance?
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post #30 of 64
They may be vcore locked, but on my card it doesnt matter, as I hit the TDP limit, raising the vcore when TDP is the bottleneck achieves nothing.
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