Diamond HD 4870 overclocking(bored and overclocking)

My89SHO · Jun 27, 2009

Overclocking my Diamond 4870. got it up to: 860 on the core so far bench test is: 36174.73. Is that good? i have two HIS 4870's too. The Diamond is more overclockable than them. Don't know why. Give me some advice and I will keep overclocking the core!

CH@NO · Jun 28, 2009

some chips are better than others (even if they're of the same series), or It could be the quality of the components of the card (HSF, energy phases, if they're reference design or not, etc.)

You can OC 'till you start to see artifacts, then if the cooling and card lets you can increase the Vcore and still OC.

If you want to keep that 4870 for long then OC it on a range that the temps are descent without touching any volt settings.

For me OC this new 4800 series using Catalyst Overdrive it's more than enough.

RadeonProVega · Jun 28, 2009

Off topic, but may i see the stock GPU-Z ?

My89SHO · Jun 29, 2009

erocker · Jun 29, 2009

What bench test are you using? 860 core is very good and definitely above average on a 4870. Most likely the Diamond has a better core than your two HIS cards.

Error 404 · Jun 29, 2009

u2konline said:
Off topic, but may i see the stock GPU-Z ?

http://lmgtfy.com/

And OP, nice overclock, definately try pushing some extra volts through it if you can. :cool:

My89SHO · Jun 29, 2009

thanks for the replyies. using catalyst for bench. used tray tools earlier

My89SHO · Jun 29, 2009

how do i set a higher voltage in rbe. it only goes to: 1.263v. and increasing the v will make it clock higher and more stable?

My89SHO · Jun 30, 2009

you cannot change voltages outside what is programed into the card because they are hard wired into the card and therefore cannot be ajusted. my HIS 4870 has a max voltage of 1.263 and my Diamond has a max of 1.276 that is why it can be clocked higher than the other. therefore the Diamond is a better card as I thought. thanks for all the replyies on this.

NinkobEi · Jun 30, 2009

yep my Diamond (GeCube chip says GPU-Z) also does about 850 core. it'll run stable @ 860 but it has artifacts. also it can hit close to 1200 memory.

My89SHO · Jul 1, 2009

Yah i have had it up to 900 or more a long time ago. i like diamond the best. great card.

Iarwain · Jul 1, 2009

I got 850 core with my Asus DK which also came with the slightly higher stock voltage.

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Diamond HD 4870 overclocking(bored and overclocking)

My89SHO

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CH@NO

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RadeonProVega

My89SHO

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erocker

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Error 404

My89SHO

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My89SHO

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My89SHO

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NinkobEi

My89SHO

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Iarwain

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