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ATI R300 specs revealed!

C

Coolone

Senior member
http://www.3dcenter.org/artikel/2002/06-07_english.php

"ATi R300:
107 million transistors
0.15 µ process by TSMC
512 bit architecture (?)
8 rendering pipelines with 2 texture units each
16 textures per pass (required by DirectX9)
Quad Vertex Shader engine
complete DirectX 9.0 compatible
Vertex Shader 2.0
Pixel Shader 2.0
Displacement Mapping support
64 bit rendering precision
Floating point rendering
256 bit DDR-RAM memory interface (?)
Core clock: on 0.15 µ and 107 mill. transistors expected at 200 - 250 MHz
Memory clock: alleged at 350 MHz = on a 256 bit memory interface results in 20 GB/sec bandwith
HyperZ III
HydraVision


ATi RV250:
ca 35-45 million transistors (estimated)
0.15 µ process by TSMC
256 bit architecture
2 rendering pipelines with 2 texture units each (?)
6 textures per pass
Single Vertex Shader engine
complete DirectX 8.1 compatible
Vertex Shader 1.1
Pixel Shader 1.4
128 bit DDR-RAM memory interface
Core clock: alleged at 300 MHz and more
Memory clock: probably the same as core clock = 300 MHz and more
HyperZ II
HydraVision
= a Radeon 8500 (R200) with only 2 rendering pipelines, but higher clock rates "
 
Sounds reasonable...but 107 million transistors on .15 microns is gonna be fuggin' hot. I mean, the GF4 is already pretty damn toasty with 57 million transistors on .15 microns.

ATi may have the leg up on NVIDIA for getting R300 out first, but I think that NVIDIA will have the last laugh with their .13 micron NV30. They've never been ones to go down on their belly in the speed wars and I don't see that changing anytime soon. They will have the ability to ramp speeds higher and faster with their .13 micron process and by the time ATi switches to it, NVIDIA will already have good yields.
 
This is probably going to be a big card, somewhere in Voodoo5 territory. Installing my Ti4600 was already a squeeze and I don't think I could stretch my IDE cables any further to accomodate anything bigger. 🙁

Still, it's quite possible that I'll have upgraded my system by the time I'm ready to upgrade my video card again, so it's not all bad news. 🙂
 
Originally posted by: zephyrprime
NVIDIA will have the last laugh with their .13 micron NV30
Click to expand...
But wouldn't a 0.13 R300 be pretty soon in coming after the .15?
Click to expand...

ATi hasn't been the quickest to change it's manufacturing processes. It'll be at least another 8 - 10 months down the road before they switch over to .13 micron. Unless I'm totally off the mark here, ATi's product cycles last a year and they don't refresh with higher clock speeds...

Radeon (.18 micron) -- Summer 2000
Radeon 8500 (.15 micron) -- Summer 2001
R300 (.15 micron) -- Summer 2002

GeForce 256 (.22 micron) -- Fall 1999
GeForce 2 (.18 micron) -- Spring 2000
GeForce 3 (.15 micron) -- Spring 2001
GeForce 4 (.15 micron) -- Spring 2002
NV30 (.13 micron) -- Fall 2002
 
I'm glad of one thing:

ATI is putting up one hell of a fight and I love 'em for it. Good competition is great.
 
Some of that is right, some is wrong.

A couple things:

It's NOT 512-bit.
It's NOT "Completely" DX9 Compatible.

 
Man, my ti4400 is longer than my mobo, this thing is prob. not even gonna fit in my case *evil laugh*

Anyway, sounds tasty. 🙂
 
Originally posted by: Anand Lal Shimpi
There's a lot of misinformation there 🙂

Take care,
Anand
Click to expand...

should i be glad that anand posted on my thread? or be sad that he rained on my parade?
 
Coolone, be glad.🙂 That said, Anand is obviously right, I don't think 64bit color is happening this year, you just can't pack enough on a chip. Mabey next year.
 
Originally posted by: BFG10K
This is probably going to be a big card, somewhere in Voodoo5 territory. Installing my Ti4600 was already a squeeze and I don't think I could stretch my IDE cables any further to accomodate anything bigger. 🙁

Still, it's quite possible that I'll have upgraded my system by the time I'm ready to upgrade my video card again, so it's not all bad news. 🙂
Click to expand...


I thought VIA had a R300 running in their booth at Computex this week, and in the pictures it didn't look much larger than a G3/R8500. It's going to be a 10 layer PCB from all reports, but not necessarily a long PCB. I could be wrong though.

Kramer
 
doesnt nvidia have like 120 million transisters?

and why do people assume it is going to be a big card? what puts it in their mind that it will be a large card?
 
Not matter the performance, which whould be GF4, or better, This card is needed from ATI, Its like AMD, Intel, one presures the other and they both fight hard. Needs competition. Healthy ones.
 
bah, those are the specs posted on the inquirer. 107 million transistors at .15 is damn near impossible unless the thing is all cache.


Radeon 8500 (.15 micron) -- Summer 2001
Click to expand...
i swear i cancelled my preorder for an 8500 in early october when it was clear that ATi wasn't shipping the things for another couple weeks.
 
i swear i cancelled my preorder for an 8500 in early october when it was clear that ATi wasn't shipping the things for another couple weeks.
Click to expand...

Anyone calculate the time differential between announcing the GF4 Ti4200 and its actual availability? 😕
 
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