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[Various]AMD Radeon 7850 & 7870 reviews - Page 6

post #51 of 263
Beast! 7870 is only 7% slower than the GTX 580 in terms of aggregate performance, according to Tom's. $300 is very fair compared to Nvidia's current competition especially considering that the 7870 should tie/beat the GTX 580 when both are overclocked similarly (max OC at stock volts, or with max stable voltage). 7850 is also a strong improvement over 7770, 51% more performance with only 60% more SP's. OTOH, 7950 is 9% faster than the 7870 with ~50% more SPs. Whatever the heck ROPs are, should really go up for every series. I'd imagine 7970 with 48 ROPs and 1600 SPs would be faster than the current 7970.
Edited by jrbroad77 - 3/4/12 at 10:27pm
 
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post #52 of 263
7870 here i come.smile.gif

Just cant believe the power consumption,people moaning about price...look at it this way,you gonna save that in electric pretty quickly,in fact by the time you get rid of it it will probably have saved you your initial outlay.thumb.gif
post #53 of 263
Was interested in the 7850, but the TDP seems a little higher than the rumors predicted.

I think i'll hold on to my 5850 until next generation. Performance gap isn't much different to warrant an upgrade.
post #54 of 263
Seems promising. Still a bit overprices from the bang-for-buck perspective. Electricity is relatively cheap here. Besides what I use on my gfx card I can save on the heating bill wink.gif I once noticed that 97% of world population lives in warmer climate than me - and I pity the 3% that are living on permafrost layer wink.gif

I'm hoping the prices will drop somewhat once Kepler launches. If not then getting a 6950 and going for unlock does not seem THAT bad idea, assuming its sufficiently cheaper than 7850.
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post #55 of 263
Very impressed by the 28nm design all the way down the line. Sweet leap in performance from the previous series. thumb.gif

I think the cards are priced right taking current gen equivalents in mind and for better performance, don't see pricing going down. I also don't see 6000 series cards going down in price and bet it won't remaining consistent until stocks are depleted. Can't blame'em for that either.

Will Kepler bring down prices? Even if it out performs....I doubt it because Nvidia will price like wise. Nvidia has never taken the price / performance road and don't see they'd do differently. If Kepler doesn't perform as good then I could see Nvidia possibly taking the price / performance road perhaps. In a short time we'll finally see and I'm stoked at what the 28nm fabrication architecture has brought this round.

If your not struggling for performance right now you might want to wait for Kepler to see what's behind door number two before closing it prematurely. Would be a smart move, see how the dust settles and how it plays out. smile.gif
     
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post #56 of 263
I'm impressed. The price/performance ratio actually went up a bit -- can't really say that for the rest of the 7000 series.
Quote:
Originally Posted by jrbroad77 View Post

Beast! 7870 is only 7% slower than the GTX 580 in terms of aggregate performance, according to Tom's. $300 is very fair compared to Nvidia's current competition especially considering that the 7870 should tie/beat the GTX 580 when both are overclocked similarly (max OC at stock volts, or with max stable voltage). 7850 is also a strong improvement over 7770, 51% more performance with only 60% more SP's. OTOH, 7950 is 9% faster than the 7870 with ~50% more SPs. Whatever the heck ROPs are, should really go up for every series. I'd imagine 7970 with 48 ROPs and 1600 SPs would be faster than the current 7970.

And thus, a week after the GTX 780 is released, the HD 8970 with 48 or 64 ROPs and 2304 SPs at 1GHz is born.
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post #57 of 263
7870 got pawnd by the 7850 thumb.gif
post #58 of 263
Quote:
Originally Posted by Usario View Post

I'm impressed. The price/performance ratio actually went up a bit -- can't really say that for the rest of the 7000 series.
The 7870 is easily the best of the 7xxx series, given current pricing. The voltage surprised me though... it's almost as high voltage at stock as my 6950...
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post #59 of 263
this is nuts. 7870 are almost at the back of 7950... but meh on that overall pricing of latest series (both from AMD and Nvidia...) overpriced..
post #60 of 263
Quote:
Originally Posted by Skylit View Post

Was interested in the 7850, but the TDP seems a little higher than the rumors predicted.
I think i'll hold on to my 5850 until next generation. Performance gap isn't much different to warrant an upgrade.

The new rumor was 130W and ~175W for 7850/70 respectively. Old rumor of 90/120W of course were better, but I'll take the extra performance over lower TDP! And from Guru3d:
Quote:
Well, the R7870 used roughly a 100 Watts LESS then that GTX 580. When we reverse calculate and measure the power consumption the R7870 uses roughly 130 Watt where the GTX 580 hovers at a 235~240W, and that's measured in game while it's peaking and stressed. So for the R7850... well we measure roughly 106 Watt. Amazing stuff really.

130W average power consumption at stock, for GTX 570 performance. Not bad. But yeah, from 5850 it's not a *huge* jump. For me though... coming from 5770, double the performance at the same TDP is perfect! And I paid like $160 for my HAWK 5770.. so $230 is reasonable.
 
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