X1900GT Reviews And Info

[onethreehill]

X1900GT Reviews And Information

It's about time we got one. Looks like the 3 thread per topic limit has reached so a sticky will now be used for ALL X1900GT news.

Official Info: http://www.ati.com/products/radeonx1...onx1900gt.html


Sapphire X1900GT Info



Link: http://www.sapphiretech.com/en/produ...s.php?gpid=147

Connect3D X1900GT Info



Link: http://www.connect3d.com/products/pcie_x1900gt.htm


Powercolor X1900GT Info



Link: http://www.powercolor.com/global/mai...ail.asp?id=118


HIS X1900GT Info



Link: http://www.hisdigital.com/html/produ...d=238&view=yes


Gecube X1900GT Info



Link: http://www.gecube.com/products-detai...&prod_id=61620


Reviews

HKEPC (Thx Ubermann)

THe Inquirer (*cough cough*)

Bit-Tech

Technic3D

ocworkbench

Computerbase

VR-Zone

PowerColor X1900GT vs X1800XT 512MB @Elitebastards

Performance (PowerColor Version)

Very overclockable card, right now @ 648/900MHz from the default 500/600MHz with default cooling and voltage:

increased voltage to 1.375v, goes up to 705MHz core from 500 and 900MHz memory from 600.... need better cooling from here on:

Performance Review: http://forums.vr-zone.com/showthread.php?t=68335


~XS News Team

[nn_step]

I wonder if it can be unlocked
Pity that it only has 256Mb of GDDR3

[n00b 0f l337]

Really doesnt offer much difference nnstep. I bet that a x1900GTX gets released at 512mb to spite nvidia.

[oshua]

Hopefully the extra quad will be unlocked easily.
If so this is much better news than the X1800GTO->xl mod.

[nn_step]

Really doesnt offer much difference nnstep. I bet that a x1900GTX gets released at 512mb to spite nvidia.

I can tell you right now that Difference of 256Mb of Ram does make one heck of a difference in the EyeCandy and FPS in Large Screens
Plus the GPU folds alot better the more Graphics Ram you have..

[krille]

Well, ATI had to dump their defective cores some day. Through a performance perspective, 7900GT can always be OC'd to 7900GTX since it's fully unlocked by default. We don't know if X1900GT is yet, so 7900GT may be the better pick. On the other hand HDR+AA is a nice feature, as is H.264 decoding. Let's hope this tightens the competition and fine SKUs at fine prices is the result.

[krille]

I can tell you right now that Difference of 256Mb of Ram does make one heck of a difference in the EyeCandy and FPS in Large Screens
Plus the GPU folds alot better the more Graphics Ram you have..

Yup, ATI benefits especially from the extra memory. This will definitely hurt performance, but how much is hard to tell from case-to-case bases.

Here is one article showing some differences between 7800GT 256 and 512. There are lots more out there, just to tired to find them. Remember, the better the GPU the more the bottleneck 256MB will show. And again performance hit on ATI parts when frame buffer is exceeded is worse than on Nvidia.
http://www.pureoverclock.com/review.php?id=33&page=5

[NinjaWreck]

In the past the GT version of ATI cards were not meant to compete with the GT versions of Nvidia cards. I'm sure the X1900 XL will be the direct comptetition for the 7900 GT just as the X1800 XL was the competition for the 7800 GT, X800 XL, 6800 GT, and so on...

The GT ATI cards are there to compete with the 7600 series, just as the X800 GT competes with Nvidias 6600 series.

[Shadowmage]

Let's not forget the 7900GT only has 256MB as well

[nn_step]

Let's not forget the 7900GT only has 256MB as well

At the same time the 7900 is not remotely as Memory sensitive as the X1800.
Compare the difference between a 7900GTX and a 7900GT at the same speed.. it is reasonably close..
Do the same for the X1800XT (512) and the X1800XL at the same speed.. and it isn't even funny how different it is...

[Shadowmage]

It doesn't matter. The X1900GT should still perform better than the 7900GT.

EDIT: After looking at the scores here: http://www.behardware.com/articles/5...ing-of-3d.html

I've come to the conclusion that those scores are bugged. In most of those situations, the graphics card doesn't even use up the 256MB of RAM.


EDIT2: This is very strange. VideoMemWatcher states that most games don't use more than 256MB (optimized for 256MB), especially when run at only 1280x1024. Why would it make a difference then?

http://www.computerbase.de/artikel/h..._xt_256_mb/10/

Someone should do some more research with VideoMemWatcher with an ATI card.

[krille]

Shadowmage, take a look at the link I posted before
http://www.pureoverclock.com/review.php?id=33&page=1

Here you can see the amount of video and system RAM different games allocate. Most games seem to always allocate some system RAM, even though video RAM isn't full. But at 1600 and 1920 resolutions, 256MB quickly becomes very small, especially if you add some AA and AF to the mix in addition to HDR. And just like nn_step said, ATI is much more sensitive to cache trashing (or whatever running out of buffer memory is called) than nVidia. Why is anyone's guess and has caused lots of speculation.

[onethreehill]

Radeon X1900GT specs
http://www.hkepc.com/bbs/news.php?tid=587608

[POGE]

I wonder if it unlocks... 0_o

[turtle]

I personally think it's really clever, the specs.

A 12rop/36ps 256mb part with 1.4ns (1400mhz) ram.

Even if ATi didn't go full-out to keep them from unlocking, and just flashed a different bios disabling the quad, there is no product that this could flash to. There is no 256mb x1900 part (other than the AIW, which I doubt would work) and besides the XT's use faster stock-clocked ram via the bios then the 1.4ns chips can most likely handle, especially with the stock hsf. I don't know the gpu/vmem voltage on the GT vs XT's and if the differance would allow for that speed bump over what they're rated for, but I doubt it.

If this can be flashed, it will be to the x1900xl, which will come much later, probably around (if not later) than the time we see the Rv570 x1900gto which will replace the gt and most likely be cheaper than the GT because of it's cheaper production costs, but with the same specs.

Why would they do this? Obviously Rv570 will not take the bios flashes since it's a different core, and stopping something retroactive like gt->xl at that point will not be as big of a deal, as people at that point will be buying rv570 cores that cannot be flashed to the newly released XL.

That's my guess anyway, and that's why I think the product is clever. I doubt many are made, as it's obviously a stop-gap until rv570 which will do the same thing, but be smaller/cheaper (even at 90nm) since it was made to be 12/36.

[WC Annihilus]

Looks like a May 1st release possibly.
http://www.theinquirer.net/?article=31161

[VulgarHandle]

does it matter that it if unlocked it won't match a product? i have an x800gto unlocked to 16 pipes by simply changing the quad lock in the bios using hexeditor and rabit, and it still recognizes it as an x800gto... would that not work the same with the x1900gt?(well, like the x800gto's, im sure not all can be unlocked, but assuming some could..)

[DilTech]

http://froogle.google.com/froogle?q=...Search+Froogle

Froogle FTW!

[Cooper]

~$400
And how it`s gonna compete with 7900GT with that price tag ?

[DilTech]

Yep, that's right folks, a whopping $400 price tag for now.

That'll probably change by release day, but for now, they're wanting an insane $400 for this card... $30 more and you have a x1900xt.

[Ubermann]

At HKEPC:

http://www.hkepc.com/hwdb/x1900gt-1.htm

[ahmad]

That looks really good. They should have included some benchmarks from Oblivion and NFSMW.

Also, I saw it had 1.4ns from the pics, and its only running at 595MHz. Last time I played with BJ14 it went to 693MHz on super tight timings and 800MHz relaxed. So there is a lot of room for that here.

How could HKEPC screw up the specs of the 7900GT

[Starscream]

that 7900gt scored 8114 in 3dmark05.
isnt that a lil low? i get more with lower clocks and less pipes with my 7800GT.

i had expected a lil more or am i wrong?

in games they seem to score more or less equal.
the x1900gt wins a few tests and the 7900gt wins a few but nvr really more then a few fps.

[higgins]

the question is if the pipes are unlockable and how overclockable the x1900gt, with proper cooling, is.

[Pegaso]

101% Agree w/ Higgins.



Just curiosity, but wasn´t the 1800xt the 7900gt´s competition?
I tought that was a tight fight there.
Dont know why then the poin of realeasing other vga...