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Nvidia Geforce 560 TI overclocking problems

Naweo

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Hello everyone!

Specs:

GPU: nGeforce 560 TI
MB: MSI z77ag45
CPU: 3770k-i7
Windows 7
CM storm trooper Case
PSU: corsair 750 W
I have been overclocking my GPU and using heaven benchmark. While I managed to get a stable

1087volt (powerlimits not edited, not sure if I should)
950 core mhz
2150 mhz (edited after I got stability at 950)
and temperatures only getting up to 63-64 at fan speed on 75% (Considering a less noisy replacement)

I read the guide on this site which states that the voltage numbers above 1.1 seems to require +/- 400 watt, that does to me sound like a huge power consumption from a 750 watt PSU. Perhaps this is not quite how it works.

Anyway, To me it seems like I can push much harder when my temps stop at 63-64 degrees, and to me it seems that people recommend max voltage tests if you have great temps. For some reason, though, my system just turns to instability when I increase the volt for no specified reason.

Why is it that my tests on 1.15v, since my temperatures are this low, is basically unstable at even just 975 mhz core and stock memory frequency? I see artifacts, a few spikes and stuff right before a crash in heaven benchmark, usually 40-60 second into the test.

Also, is there any way I can break the fan barrier speed at 75%?

Should I touch other parameters to fix this problem, such as the power limits?

Are there problems in general using 1.15v with this card though I can manage to keep my temperatures low?



Thanks!
 

Naweo

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Does anyone know why my programs crash etc at almost any volt+frequency despite my temperatures being insanely low?
 

MxPhenom 216

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On air, your VRMs are likely getting too hot. The GPU temperature is one thing, but the rest of the parts on the card are probably getting too hot causing the instability. I typically dont recommend increasing the voltage much when it comes to GPUs on air cooling.

It could also be your GPU is just a garbage clocker, can't really do much about that.

What programs are you using to overclock?
 

Naweo

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I am using MSI afterbruner, and I assume by air-cooling you mean the cooler on the graphics card (which is the stock) which also cools the integrated graphics VRAM?

How do I monitor my VRAM temperatures? Does MSI afterburner allow that, if yes, what range should I be on alert for?

Thanks for the reply.
 

MxPhenom 216

ASIC Engineer
Joined
Aug 31, 2010
Messages
12,944 (2.61/day)
Location
Loveland, CO
System Name Ryzen Reflection
Processor AMD Ryzen 9 5900x
Motherboard Gigabyte X570S Aorus Master
Cooling 2x EK PE360 | TechN AM4 AMD Block Black | EK Quantum Vector Trinity GPU Nickel + Plexi
Memory Teamgroup T-Force Xtreem 2x16GB B-Die 3600 @ 14-14-14-28-42-288-2T 1.45v
Video Card(s) Zotac AMP HoloBlack RTX 3080Ti 12G | 950mV 1950Mhz
Storage WD SN850 500GB (OS) | Samsung 980 Pro 1TB (Games_1) | Samsung 970 Evo 1TB (Games_2)
Display(s) Asus XG27AQM 240Hz G-Sync Fast-IPS | Gigabyte M27Q-P 165Hz 1440P IPS | Asus 24" IPS (portrait mode)
Case Lian Li PC-011D XL | Custom cables by Cablemodz
Audio Device(s) FiiO K7 | Sennheiser HD650 + Beyerdynamic FOX Mic
Power Supply Seasonic Prime Ultra Platinum 850
Mouse Razer Viper v2 Pro
Keyboard Razer Huntsman Tournament Edition
Software Windows 11 Pro 64-Bit
I am using MSI afterbruner, and I assume by air-cooling you mean the cooler on the graphics card (which is the stock) which also cools the integrated graphics VRAM?

How do I monitor my VRAM temperatures? Does MSI afterburner allow that, if yes, what range should I be on alert for?

Thanks for the reply.

No, I am talking the Voltage Regulation Modules. The small bits on a GPU that take power from the PCIe power connections (6pin/8pins) and deliver it to the GPU and memory (VRAM). I am not sure, but most of the time, depending on what specific 560ti you have, there are no sensors for the VRMs, so you can't check the temps, but the typical rule of thumb is that the VRM temperature is ~20-30c higher then the GPU temperature on air.

EDIT: But if you were able to get 950mhz stable on your card, that might just be your max clock you are going to be able to achieve.

Hell if you have a GTX560Ti where your stock clock is the normal 822, ~130mhz overclock to 950mhz is not bad, Id just leave it at that.
 

Naweo

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When I assembled my cpu I put 2x PCI-e2 cables into the card with 2 "rest pieces" with 2 pins just hanging. Perhaps this is wrong?

Thanks for the answers. This sheds some light on things. I´ll try to get a stable clock at between 900-950 mhz then.

A question though:

The reason newer cards can handle more frequencies/memory buffer sizes and in general just deliver more, is because the design allows them to without heating up this VRM modules?
 

MxPhenom 216

ASIC Engineer
Joined
Aug 31, 2010
Messages
12,944 (2.61/day)
Location
Loveland, CO
System Name Ryzen Reflection
Processor AMD Ryzen 9 5900x
Motherboard Gigabyte X570S Aorus Master
Cooling 2x EK PE360 | TechN AM4 AMD Block Black | EK Quantum Vector Trinity GPU Nickel + Plexi
Memory Teamgroup T-Force Xtreem 2x16GB B-Die 3600 @ 14-14-14-28-42-288-2T 1.45v
Video Card(s) Zotac AMP HoloBlack RTX 3080Ti 12G | 950mV 1950Mhz
Storage WD SN850 500GB (OS) | Samsung 980 Pro 1TB (Games_1) | Samsung 970 Evo 1TB (Games_2)
Display(s) Asus XG27AQM 240Hz G-Sync Fast-IPS | Gigabyte M27Q-P 165Hz 1440P IPS | Asus 24" IPS (portrait mode)
Case Lian Li PC-011D XL | Custom cables by Cablemodz
Audio Device(s) FiiO K7 | Sennheiser HD650 + Beyerdynamic FOX Mic
Power Supply Seasonic Prime Ultra Platinum 850
Mouse Razer Viper v2 Pro
Keyboard Razer Huntsman Tournament Edition
Software Windows 11 Pro 64-Bit
When I assembled my cpu I put 2x PCI-e2 cables into the card with 2 "rest pieces" with 2 pins just hanging. Perhaps this is wrong?

Thanks for the answers. This sheds some light on things. I´ll try to get a stable clock at between 900-950 mhz then.

A question though:

The reason newer cards can handle more frequencies/memory buffer sizes and in general just deliver more, is because the design allows them to without heating up this VRM modules?

Not really no, the newer cards just are different. Different board designs, actual GPU architectures, nm process, memory controller, memory ICs, etc. Theres a lot too it.
 
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