Tuesday, September 16th 2008

Radeon HD 4850 X2 Priced at $399, Claims to Outperform GTX 280

The battle for supremacy in the current generation of consumer graphics hasn't calmed down as yet. Just as reports came in of NVIDIA giving the GeForce GTX 260 a boost with its shader compute power by enabling 24 shader units, taking on the Radeon HD 4870, GeForce GTX 280 seems to be enjoying its $420~$440 price-tag. For sure it isn't the fastest graphics accelerator but its compelling price tag is what is drawing buyers away from the HD 4870 X2.

AMD had already announced in its press release for the Radeon HD 4870 X2 launch that it would release a HD 4850 X2 at a roughly $400 price range. That moment seems to be coming closer, when ATI has a graphics card for $399, that outperforms the GeForce GTX 280. Three slides from the company have surfaced. The first one lists out its vital specifications, including its maximum power draw, rated at 230W. The memory bandwidth of this card is 128 GB/s, and it ends up with 2 GB of GDDR3 memory.
The second slide shows some company performance figures, which claim that the HD 4850 X2 could be up to 40% faster than the GeForce GTX 280 in some games, with an overall lead across all tests mentioned. The third slide shows how ATI is stacked up against NVIDIA in Q3, however, the entry of the revised GTX 260 could disturb that chart.
Source: Expreview
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71 Comments on Radeon HD 4850 X2 Priced at $399, Claims to Outperform GTX 280

#26
jaydeejohn
All the mods for oblivion use more than 512. The new Stalker, and who knows what newer games may use more?
Posted on Reply
#27
TRIPTEX_CAN
wolf2009isn't this old news ?

I remember seeing those charts on 4870x2 more than a month ago
Yeah, its not exactly new but from everything thats been said (which isnt much) these should actually be out this month.
Posted on Reply
#28
DaedalusHelios
wolf2009isn't this old news ?

I remember seeing those charts on 4870x2 more than a month ago
This is a 4850x2......

Are you saying its the same charts rebadged?
Posted on Reply
#29
mdm-adph
TRIPTEX_MTLYou should remember that running 2 4850s in crossfire would still only equal a 512mb frame buffer/GPU. The 4850x2 is sharing 2Gb so in effect it gets a 1Gb frame buffer/GPU.

You would have to buy 2 x 4850 1Gb with dual slot coolers to rival the efficiency here.
Bah -- any card with a 256bit bus and only GDDR3 doesn't seem to really benefit from having more than 512MB of RAM, at least from what I've seen from reviews and benchmarks. Once they get up to 1900x1200 (or whatever) and beyond, they perform the same as cards with only 512MB of RAM on a 256bit bus. I've seen the same thing form the 3850 1GB's and the 8800GT 1GB's.

(In converse, the 4870's GDDR5 paired with a 256-bit bus is very efficient at high resolutions, but that GDDR5 is expensive as hell. :p)

Maybe stuff's different now -- it's been a while since I really noticed in reviews. Maybe with newer GDDR3 clocked really, really high it might be different -- any reviews show this?
Posted on Reply
#30
DaedalusHelios
mdm-adphMaybe with newer GDDR3 clocked really, really high it might be different -- any reviews show this?
Thats what I am thinking. I can't find any proof to the assumption that it will benefit from it. :confused:
Posted on Reply
#31
mdm-adph
DaedalusHeliosThats what I am thinking. I can't find any proof to the assumption that it will benefit from it. :confused:
Oh, I'm sure it will benefit -- by having increased sales! :laugh:
Posted on Reply
#32
Unregistered
DaedalusHeliosThis is a 4850x2......

Are you saying its the same charts rebadged?
no I'm saying AMD showed these charts for 4850x2 when 4870x2 was launched .
Posted on Edit | Reply
#33
TRIPTEX_CAN
mdm-adphBah -- any card with a 256bit bus and only GDDR3 doesn't seem to really benefit from having more than 512MB of RAM, at least from what I've seen from reviews and benchmarks. Once they get up to 1900x1200 (or whatever) and beyond, they perform the same as cards with only 512MB of RAM on a 256bit bus. I've seen the same thing form the 3850 1GB's and the 8800GT 1GB's.

(In converse, the 4870's GDDR5 paired with a 256-bit bus is very efficient at high resolutions, but that GDDR5 is expensive as hell. :p)

Maybe stuff's different now -- it's been a while since I really noticed in reviews. Maybe with newer GDDR3 clocked really, really high it might be different -- any reviews show this?
The 4850 1Gb review I saw showed little improvement over the 512mb version. So from what I've read you are right. I'm just banking on the hope that AMD/ATI wouldnt pack the RAM on this card just for giggles.
Posted on Reply
#34
btarunr
Editor & Senior Moderator
wolf2009no I'm saying AMD showed these charts for 4850x2 when 4870x2 was launched .
Those were GTX 280 vs 4870 X2, with a different y axis.
Posted on Reply
#35
jaydeejohn
OOOPS my fingers got in teh way, shoulda read GTS'. Thought I saw then for 120$, hmmm
Posted on Reply
#36
jaydeejohn
Anyways, we will see, as newer games will use alot of memory, like stalker, and even older oblivion mods. This is obviously aimed at higher res tho. Look at the dropoff with the 4850 at higher res.
Posted on Reply
#37
jaydeejohn
Having 2 cores should help, actually use that 1 gig, otherwise, ATI wouldnt have released the 4870x2 with 1 gig, theyd have gone with 512.
Posted on Reply
#38
mdm-adph
jaydeejohnHaving 2 cores should help, actually use that 1 gig, otherwise, ATI wouldnt have released the 4870x2 with 1 gig, theyd have gone with 512.
The 4870X2 uses GDDR5 -- it's fine with 1GB on a 256-bit bus.
Posted on Reply
#39
jaydeejohn
So 320 or 384 or 448 isnt effective on GDDR3? Or only 256? Or 512, as in the 2900? Id need links to show that you need GDDR5 in order to effectively use it on 256 vs GDDR3. And thtad also have to be done on the new 4xxx series as well. Like someone said, we will have to see the benchmarks before we start guessing
Posted on Reply
#41
mdm-adph
jaydeejohnSo 320 or 384 or 448 isnt effective on GDDR3? Or only 256? Or 512, as in the 2900? Id need links to show that you need GDDR5 in order to effectively use it on 256 vs GDDR3. And thtad also have to be done on the new 4xxx series as well. Like someone said, we will have to see the benchmarks before we start guessing
No -- 320, 384, or 448-bit is very effective with more than 512-bit of GDDR3 -- nobody said otherwise. :P

But yeah, we need some performance charts -- maybe ATI pulled it off (GDDR3 with 256-bit bus). They've always been slightly better with "memory management at high resolutions" (or at least that's what reviews are always saying ;)).
Posted on Reply
#42
Widjaja
TRIPTEX_MTLThe 4850 1Gb review I saw showed little improvement over the 512mb version. So from what I've read you are right. I'm just banking on the hope that AMD/ATI wouldnt pack the RAM on this card just for giggles.
I also saw a review somewhere of the in game performance of a 1GB 4850 vs a 512mb version and yes there was very little difference in average frame through the resolutions.
Posted on Reply
#43
DaedalusHelios
WidjajaI also saw a review somewhere of the in game performance of a 1GB 4850 vs a 512mb version and yes there was very little difference in average frame through the resolutions.
You were probably looking at Age of Conan benches. I bet Crysis would eat as much resources as possible aswell. :)
Posted on Reply
#44
jaydeejohn
Dont forget the better plx chip used in the new 4xxx series x2s. That will have the desired effect, tho Im guessing here
Posted on Reply
#45
DaedalusHelios
jaydeejohnDont forget the better plx chip used in the new 4xxx series x2s. That will have the desired effect, tho Im guessing here
I remember reading that "sideport" was disabled though.;)

Will it make a difference in performance? I have no idea.:confused:
Posted on Reply
#46
jaydeejohn
Theres been rumors about activation, and it isnt disabled as much as not being used. But Im talking about the higher /better plx chip, which is being used, and why it helps in x2 cards
Posted on Reply
#48
zOaib
ATi has definately made a comeback worth of praise and glory ............... they nailed Nvidia current gen cards into their coffins for a fact .
Posted on Reply
#49
DaedalusHelios
zOaibATi has definately made a comeback worth of praise and glory ............... they nailed Nvidia current gen cards into their coffins for a fact .
Competition is what its called to go back and forth with the best value.

If AMD doesn't start profiting and paying off its debts, ATi will fall within it in bankruptsy. Thats the real coffin.

I hope they start being more competitive in their other markets or there will be no competition whatsoever when AMD falls. :(

Its good ATi is getting a bigger piece of the pie, but AMD is eating it, not ATi.
Posted on Reply
#50
jaydeejohn
And currently ATI is winning. And brought in the great pricing. Yes, worthy of some good news, praise. Or did we all want to really have to pay 450$ for a G260? Admittedly, its looking very good for ATI, and AMDs cpus? Oh well, but they obviously arent dead yet. Im thankful for the new competition, and I can only blame ATI for it
Posted on Reply
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