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ATi RV250 and R300 specifications

June 7, 2002 / by Leonidas / page 1 of 1 / english version


This article is outdated, please visit the Update.


Sorry, no text and commentaries, only the raw specs :-).

Sources: AnandTech #1, AnandTech #2, The Inquirer, ATi Roadmap #1, ATi Roadmap #2, own sources.


    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

Next Generation Graphics Chips (Q3/Q4 2002)
  Matrox
Parhelia
3Dlabs
P10
nVidia
NV30
ATi
R300
Transistors
(mill.)
80 75 ca 90-120 107
Process
(µ)
0.15 0.15 0.13 0.15
Architecture
(bit)
512 512 512 (?) 512 (?)
Rendering
pipelines
4 4 8 (?) 8
Texture
units (each)
4 2 2 (?) 2
Textures
per pass
4 8 16 16
Core clock
(MHz)
retail: 220
bulk: 200
ca 250 ca 400 ca 200-250
Fill rate
(GPixel)
retail: 0.88
bulk: 0.8
ca 1.0 ca 3.2 ca 1.6-2.0
Fill rate
(GTexel)
retail: 3.52
bulk: 3.2
(bilinear)
ca 2.0
(trilinear)
ca 6.4 ca 3.2-4.0
Memory
interface (bit)
256 DDR 256 DDR 256 DDR (?) 256 DDR (?)
Bandwith
features
- Virtual Memory System Lightspeed Memory Architecture III HyperZ III
Memory clock
(MHz)
retail: 275
bulk: 250
ca 300 ca 200-250 ca 300-350
Bandwith
(GB/sec) *
retail: 16.4
Bulk: 14.9
ca 17.9 ca 11.9-14.9 ca 17.9-20.9
Vertex Shader
engine
Quad Quad Quad Quad
Vertex Shader
version
2.0 2.0 2.0 2.0
Pixel Shader
version
1.3 1.3 2.0 2.0
DirectX
version
8.1
(partly 9.0)
8.1
(partly 9.0)
9.0 9.0
OpenGL
version
1.3 2.0 1.3
(partly 2.0)
?
Anisotropic filtering
(max. level)
bilinear: 16x
trilinear: 8x
? ? ?
Anti-Aliasing
(max. samples)
16x
(FAA)
8x
(MS)
8x (?) ?
Rendering
precision
40 bit
(fix)
minimum 64 Bit
(fix)
64 bit
(floating point)
64 bit
(floating point)
Displacement
Mapping
yes yes yes yes
AGP specification
(max. mode)
3.0 (8x)
(first boards 2.0/4x)
2.0
(4x)
3.0
(8x)
3.0
(8x)
Onboard memory
(max. MB)
256 256 256 ?
*  on an 1 GByte = 1024 Byte ^ 3 basis


Links to the (original and complete) German articles:
May 5:  3Dlabs "P10" Preview
May 14:  Matrox Parhelia Preview
May 22:  nVidia NV30 und NV35 Spezifikationen (?)
June 7:  ATi RV250 und R300 Spezifikationen


This article is outdated, please visit the Update.






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