Keep 4870 at OC speeds or leave at stock?

CDdude55 · Oct 10, 2009, 08:35 PM

Just starting OCing my 4870 a bit and was wondering if it was worth it to keep it at these OCed speeds or go back to stock. Keep in mind this is with the stock 4870 heatsink. So i don't think i can OC it a lot to the point where it won't get to hot.

heres the current speeds.

Jstn7477 · Oct 10, 2009, 08:41 PM

What are your temperatures like (idle/load)?

If that is your max OC, I don't think you are going to notice much of a difference in gaming performance IMO.

MoonPig · Oct 10, 2009, 08:45 PM

NOt trying to jack the thread... but im similar to you.

I just got my XFX 4870 and im messing with clocks. Im using CCC but it's max is 790MHz... Is there a way to unlock that, or whats the best tool?

CDdude55 · Oct 10, 2009, 08:47 PM

Quote:

Originally Posted by Jstn7477

What are your temperatures like (idle/load)?

If that is your max OC, I don't think you are going to notice much of a difference in gaming performance IMO.

I manually set the fan speeds, so there decent.

Idle is about 48c-49-c, haven't checked the load temps but i ramp the fan speed up when gaming so i think im ok.

Jstn7477 · Oct 10, 2009, 08:49 PM

Quote:

Originally Posted by MoonPig

NOt trying to jack the thread... but im similar to you.

I just got my XFX 4870 and im messing with clocks. Im using CCC but it's max is 790MHz... Is there a way to unlock that, or whats the best tool?

Have you tried the TPU GPUTool? If you want to edit your BIOS, you could use TPU Radeon BIOS Editor (RBE) and then ATi WinFlash to flash it.

CDdude55 · Oct 10, 2009, 08:55 PM

Quote:

Originally Posted by MoonPig

NOt trying to jack the thread... but im similar to you.

I just got my XFX 4870 and im messing with clocks. Im using CCC but it's max is 790MHz... Is there a way to unlock that, or whats the best tool?

Mines is also the same, the slider can only get you to 790mhz and mem clock only goes to 1100mhz.

Nick89 · Oct 10, 2009, 09:36 PM

Quote:

Originally Posted by CDdude55

Just starting OCing my 4870 a bit and was wondering if it was worth it to keep it at these OCed speeds or go back to stock. Keep in mind this is with the stock 4870 heatsink. So i don't think i can OC it a lot to the point where it won't get to hot.

heres the current speeds.

http://gpuz.techpowerup.com/09/10/10/au5.png

That is what I keep both my 4870's at 24/7. Running 70% fan speed on both all the time though. Idle is 52C

MoonPig · Oct 10, 2009, 10:23 PM

Ok, WTF!!!!

I'm using the 'Find Max' on this GPU Tool. So far my 4870 is on 955MHz Core... no artifacts... and temp is less than 40c...!!!

Tell me something is wrong!

Edit, this doesn't make sense...

I stopped it at 1000MHz core. Now, i know it shouldn't be able to pull that... GPUz reads it as 1000MHz Core, but Furmark reads it as stock. Oddly enough... it's stable.

http://www.techpowerup.com/gpuz/ez48h/

Jstn7477 · Oct 11, 2009, 12:54 AM

Quote:

Originally Posted by MoonPig

Ok, WTF!!!!

I'm using the 'Find Max' on this GPU Tool. So far my 4870 is on 955MHz Core... no artifacts... and temp is less than 40c...!!!

Tell me something is wrong!

Edit, this doesn't make sense...

I stopped it at 1000MHz core. Now, i know it shouldn't be able to pull that... GPUz reads it as 1000MHz Core, but Furmark reads it as stock. Oddly enough... it's stable.

http://www.techpowerup.com/gpuz/ez48h/

GPUTool is just a "technology preview", not a bug-free release. I had issues with the Find-max button: I hit it by accident, stopped it a few seconds later, and it kept raising my core frequency at 5MHz intervals even though I cancelled the test.

20mmrain · Oct 12, 2009, 07:09 PM

GPU Tool or Riva tuner or ATI Winflash. Just Google how to overclock a 4870 past 790MHZ. There is a tone of info out there on that.

And to the owner of this post: II would use a different Utility if the one you are using isn't working in your favor. Something doesn't sound right at those speed and that low of temps. It sounds like something is not registering correctly. Go to Guru3d and look for other Utilities. Also Look up what others have done to get they're overclock higher. I do not own a 4870 but I do own a 4850 I never Overclocked my 4850 past stock CCC speeds. But I have read about people getting their 4870 up to and past 4890 speed with a voltage increase and some luck! So good luck bud.

Oct 10, 2009, 08:35 PM	#1
CDdude55 Crazy 4 TPU!!! Join Date: Jul 2007 Location: Virginia Posts: 6,437 (2.97/day) Thanks: 3,511 Thanked 1,285 Times in 937 Posts System Specs	Keep 4870 at OC speeds or leave at stock? Just starting OCing my 4870 a bit and was wondering if it was worth it to keep it at these OCed speeds or go back to stock. Keep in mind this is with the stock 4870 heatsink. So i don't think i can OC it a lot to the point where it won't get to hot. heres the current speeds. __________________ Currently playing: Team Fortress 2 (PC) "And remember if you didn't build it yourself, it's not really yours."

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Oct 10, 2009, 08:41 PM	#2
Jstn7477 Join Date: Aug 2009 Location: Sarasota, Florida, USA Posts: 3,248 (2.34/day) Thanks: 397 Thanked 1,249 Times in 840 Posts System Specs	What are your temperatures like (idle/load)? If that is your max OC, I don't think you are going to notice much of a difference in gaming performance IMO. __________________ Intel Crunchers (34 threads): 4770K 4.3G (7t), 2x 3770K 4.3G (14t), 2600K 4G (7t), X3210 (3t), P-M 735A, P4 HT 3G AMD Crunchers (12 cores):1100T 3.6G (3t), 1045T 3.4G (2t), X4 640 3.2G, X2 4200+, T64 ML-37 AMD Folders (6272 GCN cores): 2x 7950 1125/1475, 7970 1150/1650, 7770 1100/1200 NV Folders (2336 GF10x + 1344 GK104 cores):GTX 470 & 465 720/1715, 4x 460 768MB 825/2000, GTS 450, 660Ti 1228/6000 HEATWARE

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Oct 10, 2009, 08:45 PM	#3
MoonPig Join Date: Aug 2008 Location: Wakefield, UK Posts: 4,089 (2.30/day) Thanks: 715 Thanked 903 Times in 621 Posts System Specs	NOt trying to jack the thread... but im similar to you. I just got my XFX 4870 and im messing with clocks. Im using CCC but it's max is 790MHz... Is there a way to unlock that, or whats the best tool? __________________ My DeskMod Log \| My Heatware \| My SteamID \| My For Sale \| My Want to Buy

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Oct 10, 2009, 10:23 PM	#8
MoonPig Join Date: Aug 2008 Location: Wakefield, UK Posts: 4,089 (2.30/day) Thanks: 715 Thanked 903 Times in 621 Posts System Specs	Ok, WTF!!!! I'm using the 'Find Max' on this GPU Tool. So far my 4870 is on 955MHz Core... no artifacts... and temp is less than 40c...!!! Tell me something is wrong! Edit, this doesn't make sense... I stopped it at 1000MHz core. Now, i know it shouldn't be able to pull that... GPUz reads it as 1000MHz Core, but Furmark reads it as stock. Oddly enough... it's stable. http://www.techpowerup.com/gpuz/ez48h/ __________________ My DeskMod Log \| My Heatware \| My SteamID \| My For Sale \| My Want to Buy Last edited by MoonPig; Oct 10, 2009 at 10:44 PM.

Oct 12, 2009, 07:09 PM	#10
20mmrain Join Date: Oct 2009 Location: Midwest USA Posts: 2,413 (1.79/day) Thanks: 478 Thanked 741 Times in 452 Posts System Specs	GPU Tool or Riva tuner or ATI Winflash. Just Google how to overclock a 4870 past 790MHZ. There is a tone of info out there on that. And to the owner of this post: II would use a different Utility if the one you are using isn't working in your favor. Something doesn't sound right at those speed and that low of temps. It sounds like something is not registering correctly. Go to Guru3d and look for other Utilities. Also Look up what others have done to get they're overclock higher. I do not own a 4870 but I do own a 4850 I never Overclocked my 4850 past stock CCC speeds. But I have read about people getting their 4870 up to and past 4890 speed with a voltage increase and some luck! So good luck bud.

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