Problems with overclocking Graphics Card.

[Mooseberries11]

Hi to all that reads this, I have been trying to overclock my asus r9 270 OC ediction. I think it has 2gb of ddr4 but ill check later. anyway to the problem, When I try to overclock the video driver crashes leaving me confused becuase it is barley overclocked and ive read online that you can set the bar all the way and it would be fine...

PC Specs(was not pre-built, Put together by myself)

Motherboard make and model: BIOSTAR TA970 AM3+ AMD 970 + SB950 6 x SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS
CPU: AMD FX-8320 Vishera 8-Core 3.5GHz
Video card: asus r9 270 oc ediction
Monitor: Samsuag 40" TV.
RAM: 4GB at 1800 ddr3
Power Supply: Thermaltake TR2 Bronze 700W

[[☥] - CJ -]

Take it up about 5-10mhz at a time and test it, if the graphic driver crashes then it means the OC isnt stable.

[˜lokkandload˜™]

Sometimes attempting to overclock a factory overclocked card makes it very unstable. It is easier to overclock a reference card.

[Mooseberries11]

I tried that and when I tested it on 3dmark it started to make weird things pop up on screen.

Would it be better to buy another r9 270 instead of overclocking one?

[[☥] - CJ -]

If it was artifacting then theres not much you can do with it..

If you mean Crossfire, thats a viable option if you have the $ and your PSU can handle it and your motherboard allows it.

do you have the ASUS Radeon R9 270X DirectCU II?

[Mooseberries11]

should I test it with a game maybe? before when I OC it there was no differents then before. It even ran worse in some areas.

[[☥] - CJ -]

how are you overclocking it?

[Mooseberries11]

Im using msi afterburner and I slowly put it put by 15 mhz with both bars. So like the memory and the other(sorry forgot what it was called).

[˜lokkandload˜™]

Only problem with SLI and XFire these days is there aren't many titles optimized for two cards and games only see VRAM from one anyway. Most AAA games I've had to simply turn off one card to play without crashing. Best bet until DX12 fully develops and deploys, is one powerful GPU....just my opinion. They say with DX12, VRAM can be stacked via SLI and XFire so games will see combined VRAM of both cards, like it should be.

[Mooseberries11]

Will I be able to use DX12 on r9 270? I think it has DX11.2 right now.

[[☥] - CJ -]

Did you raise the power target?

You may have to up the voltage also to get a stable OC, but i honestly would not screw with that.

[Mooseberries11]

Първоначално публикувано от ☥ - CJ -:

Did you raise the power target?

You may have to up the voltage also to get a stable OC, but i honestly would not screw with that.

Well I guess i might be able to up the voltage a little but doesnt that mess up the heat then?

[[☥] - CJ -]

That raises the heat yes, but sometimes raising the voltage is the only way to make an OC stable..

But the only thing you should be raising is the power target and the memory and gpu core clocks, i wouldnt mess with Voltage if i were you unless u know what ur doing.

[Mooseberries11]

Yea, but I think I was messing around with the power target and it is like glitched out on msi afterburner. I cant move the bar, when i click on it to move it just doubles the number and i can move it back. I dont know if its because its an Asus card or what but I dont think it should do that. If i can get it to work should i go up by tens? and will it increase the heat output of my gpu?

[˜lokkandload˜™]

This from tomshardware.com

Pixel Pitch and bit depth will be different on a TV vs. monitor so a monitor will typically look much better. The overall size of the screen affects the pixel spacing (Pixel Pitch) and so the appearance is of a less sharp image, and on many TVs it is less sharp because of the way the pixels are arranged, and the support grid.

Next is backlight uniformity, it's easier to get an even consistent backlight on a small panel than on one that 30" or over. The bigger it is the harder it is to keep it consistent, and also the harder it is to make blacks truly black.

Also bit depth support may be lower on some TVs than some monitors, but this isn't always the case, where cheap monitors might be worse than good TVs, especially if it's a TV built to support the higher bit depth of HDMI 1.3a some TVs may have 10+ bit per channel with a higher internal support, while cheap LCD sometimes only support 6 bits per channel.

Then there is the display type, which has a few issue, LCD is slow (don't be fooled by the whole 120-240hz BS), it's about true response times not the easy cherry picking of boosted contrast #s), and bigger panels are almost always slower than current model smaller size panels so more chance for ghosting or color shifts; plasma is faster, but it has it's issues to, plasma is great for TV because similar to CRT it is built in the TV industry to have a bit of edge bleed/blend which helps reduce the problem of pixel pitch and make it a more fluid image that is well blended to cover the blockiness of a big pixel pitch (think of it like SSAA), but this isn't great for viewing text since it softens an image somewhat and lowers the definition of edges.

[Mooseberries11]

So using a TV is why my power target is glitched? or is the TV messing up the OC?