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[vr-zone] HD 4850/4870 are not high-end-chips - Page 8

post #71 of 86
^ exactly... Not to mention ATi aren't going to abandon it with drivers nor improvements until a long time from now, unlike nVidia, who make products and stop supporting them as soon as they have made something better

nVidia don't exactly have that great a position with dual GPU on one PCB solutions, even though they have more experience. for ATi's first dual GPU solution, they did an extremely good job of ironing out most of the issues quick, and apparently, it is rumored that the 4870X2 will truly work like one GPU, and not just disable CrossfireX when a game can't support CrossfireX, as he current 3870X2 apparently did.

yes, i openly admit, i am an ATi fanboy, and i won't buy nVidia again: this 8800GT is good, but it was a waste of money from my 3870 IMO, not to mention handling the drivers is something i don't expect to have to deal with
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post #72 of 86
Looking at the enormous amount of incredible benchmarking results, I wonder if you would still call this thing "not high-end-chips"?
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post #73 of 86
Quote:
Originally Posted by hellyea View Post
Looking at the enormous amount of incredible benchmarking results, I wonder if you would still call this thing "not high-end-chips"?
it just means the standard for mainstream has gone up. i would say the 4870x2 is a highend
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post #74 of 86
Quote:
Originally Posted by Nowyn View Post
Took u a while to comment my post

Going along ur logic 4870X2 will have twice transistors (2 GPUs), then probably twice memory modules (1 GB?) and don't forget about all the extra parts to make 2 GPUs work together (CrossFire chip etc).

And rumors were that 280 will have TDP of 240W, so before posting crap at least take a look at news section, there's like dozen of post on that matter.

And don't forget that "stupid sandwich design" of 9800GX2 pwned 3870X2. But such bold claims are well expected, since no matter what, in ur post u will make ATI looks better and declare their win. And i'm just sick and tired of such posts, the way i see it, wait for card to come out and THEN make any sorts of comparisons. Also to counter "nVidia fanboy" i haven't done a single comment on performance of both upcoming ATI and nVidia cards.
To be honest, and unbiased for once(it's a rarity for me) RV770 puts off much less heat than a G92. The GDDR5 on R700 will put off much less heat than the GDDR3 on the 9800GX2. Also, there will not be a CF chip in R700, the two cores will be interconnected through the memory.

The "stupid sandwich design" beat the HD3870x2 because G92s are faster than RV670s. No one will argue the other way, it's fact.
post #75 of 86
Quote:
Originally Posted by RussianGrimmReaper View Post
To be honest, and unbiased for once(it's a rarity for me) RV770 puts off much less heat than a G92. The GDDR5 on R700 will put off much less heat than the GDDR3 on the 9800GX2. Also, there will not be a CF chip in R700, the two cores will be interconnected through the memory.

The "stupid sandwich design" beat the HD3870x2 because G92s are faster than RV670s. No one will argue the other way, it's fact.

QFT, plus we have seen how the 4850 proformes, it beats the 9800GTX,thats why Nvidia is making the 9800GTX+. and the other good news it the 4870 is to be 1.4Xfaster than the 9800GTX and should compete with the GTX260.

but i think what ATi is trying to say is the X2 models like the 3870x2 and 4870x2 are thier high-end stuff
    
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post #76 of 86
Quote:
Originally Posted by RussianGrimmReaper View Post
To be honest, and unbiased for once(it's a rarity for me) RV770 puts off much less heat than a G92. The GDDR5 on R700 will put off much less heat than the GDDR3 on the 9800GX2. Also, there will not be a CF chip in R700, the two cores will be interconnected through the memory.

The "stupid sandwich design" beat the HD3870x2 because G92s are faster than RV670s. No one will argue the other way, it's fact.
Are you certain the R700 will have GDDR4? Remember the 3870X2 had GDDR3 while the 3870 had GDDR4. It might be a sensible cost saving strategy. Of course, depending on how bandwidth heavy the chip in these are.

From the looks of it, I think the 9800GTX+ and the 4850 will probably be identical in heat dissipation. What suprises me is that the GTX280 puts out less heat than CF4850's.
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post #77 of 86
Quote:
Originally Posted by pauldovi View Post
Are you certain the R700 will have GDDR4? Remember the 3870X2 had GDDR3 while the 3870 had GDDR4. It might be a sensible cost saving strategy. Of course, depending on how bandwidth heavy the chip in these are.

From the looks of it, I think the 9800GTX+ and the 4850 will probably be identical in heat dissipation. What suprises me is that the GTX280 puts out less heat than CF4850's.
GDDR5 will be used on R700, AMD is making this their highend chip. It's not just a dual GPU card with onboard CF, this is a true dual-die video card. Since the GPUs will be sharing the memory and will be intercommunicating through it, it must be as fast as possible, GDDR5 is the most likely option.

Yes the 280 puts off less heat and uses less power than CF 4850s, but it's also more than 4/3rds the price.

EDIT: Regarding the 9800GTX+ heat dissipation, it really depends on what the die size is. RV770's die is much larger than RV670's, that's why it puts out a lot more heat than the old tech. If the 9800GTX+ is less than 240mm^2, it will put off less heat than RV770.
post #78 of 86
Quote:
Originally Posted by RussianGrimmReaper View Post
GDDR5 will be used on R700, AMD is making this their highend chip. It's not just a dual GPU card with onboard CF, this is a true dual-die video card. Since the GPUs will be sharing the memory and will be intercommunicating through it, it must be as fast as possible, GDDR5 is the most likely option.

Yes the 280 puts off less heat and uses less power than CF 4850s, but it's also more than 4/3rds the price.

EDIT: Regarding the 9800GTX+ heat dissipation, it really depends on what the die size is. RV770's die is much larger than RV670's, that's why it puts out a lot more heat than the old tech. If the 9800GTX+ is less than 240mm^2, it will put off less heat than RV770.
Heat has no relationship to area.
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post #79 of 86
Quote:
Originally Posted by pauldovi View Post
Heat has no relationship to area.
If that was true then RV770 wouldn't put off more heat than RV670. Same process, more transistors, equals more heat. If the G92 55nm rehash is a larger die size(than RV770), it has more transistors, which means more heat.
post #80 of 86
Quote:
Originally Posted by RussianGrimmReaper View Post
If that was true then RV770 wouldn't put off more heat than RV670. Same process, more transistors, equals more heat. If the G92 55nm rehash is a larger die size(than RV770), it has more transistors, which means more heat.
While you may find a general pattern between area and heat, there definitely isn't a relationship.

Its like saying saying the size of an engine is related to its power output. There are many additional factors that affect an engines power than simply its displacement.

There is a lot more that effects a processors power ouput that its area.
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