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Sapphire HD 7870 XT based on AMD Tahiti LE chip - Page 22

post #211 of 316
Their loss,

IMHO the 7870 XT does everything the 7950 Does, but is for users that dont need 3GB of VRAM.

This card Happily and easily runs EVERYTHING on HIGH/MAX Details on my Single Screen secondary system.
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post #212 of 316
Excited, just a few more hours till mine comes in, had to spend the $17 for next day delivery!!! For $220 with 2 games, can't go wrong talked 2 friends into getting theirs, I have a feeling they'll be thanking me tonite! biggrin.gif
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post #213 of 316
Quote:
Originally Posted by lostsurfer View Post

Excited, just a few more hours till mine comes in, had to spend the $17 for next day delivery!!! For $220 with 2 games, can't go wrong talked 2 friends into getting theirs, I have a feeling they'll be thanking me tonite! biggrin.gif

Just Dont expect $500 performance tongue.gif, I had one guy buy a 7870XT then Skype me complaining he cant run 1080p at 16X MSAA 16X AF Ultra in some game....
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post #214 of 316
I picked up this card after weeks of research, and am pretty happy so far. I've had 2 issues, both of which I chalk up to being a nOOB as far as PC building and gaming. First, in an effort to keep the computer as quiet as possible, I locked the fan speed at 25%. Naturally, this caused thermal lockup in 5-10 minutes in any game (Tomb Raider in particular killed it). After figuring that out, all was well. Second problem was overclock settings. I downloaded Trixx and bumped up the memory overclock. This made everything unstable, to the point where nothing would run (not even sure what I bumped it to, honestly). So, after doing some reading here, I reset to factory settings and everything is gravy again.
    
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post #215 of 316
good call on a gpu it really is a grate card umm id advise like just 1100 for ur core and leave ram alone unless ur going aftermarket cooling

make shure u watch ur vrm temps some of them get way to hot ... most univeral watter blocks and aircooled will fit as the holes havent changed

be shure u upgrade ur vram and vrm cooling if u do tho
post #216 of 316
Ok, so i bought two 7870 Myst just to keep for bitcoin mining and gaming on my rig untill 8990 comes out.

Reading the reviews it states that the card easily achieves 1200 mhy on core, it beiing 925 base and 975 boost.
And that is withouth voltage increase. All wonderfull.

I went in msi overdrive and set the clock to 1200 mhz, and checked GPU synchronizing so that the second card may get the 1200 mhy.

Note that i do not have a crossfire bridge yet.

But when i load the cards, msi afterburner reports the cards remain at 925 mhy, during stress test.
The stress test i use is bit coin minig.

So overclocking seems to be just a bar that is dragged at 1200 mhz with no effect what so ever on core clocks.

*** ? Is this what overclocking is these days ?
I disabled ULPS with sapphire trixx.

Can anyone point me in the right direction to overclock the cards, at least to their rated boost speeds ?
post #217 of 316
Thread Starter 
max out power control to +20% to avoid clock throttling. in trixx its called Board Power
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post #218 of 316
yea disable ulps and push ur core speed n volts ... some can push therre mem but yeilds littel results i can do about 1700 stable but its noit worth the volts


enjoy ur card watch ur vrm temps thell kill ur card faster than anything
post #219 of 316
Quote:
Originally Posted by markovian View Post

good call on a gpu it really is a grate card umm id advise like just 1100 for ur core and leave ram alone unless ur going aftermarket cooling

make shure u watch ur vrm temps some of them get way to hot ... most univeral watter blocks and aircooled will fit as the holes havent changed

be shure u upgrade ur vram and vrm cooling if u do tho

Yea my card had VRM temps of 105 C during intense gaming and around 81 C during low graphic games like TF2.

I think that's why my card was crashing so often.

    
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post #220 of 316
i just got my Sapphire 7870XT... im running games at MAX graphics...bf3:40-60fps,Tomb raider 40-60fps,Sniper Ghost Warrior 2 70fps...i guess its pretty good.... my temps are Idle 29C...and Full load 63C...63c is ok right?
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