Voodoo3

Last updated
Voodoo3
Voodoo3-2000AGP.jpg
3dfx Voodoo3 2000 AGP
Release dateMarch 1999;25 years ago (March 1999)
CodenameAvenger
Cards
Entry-levelVelocity 100, Velocity 200
Mid-rangeVoodoo3 1000, Voodoo3 2000
High-endVoodoo3 3000
EnthusiastVoodoo3 3500 TV
DirectX Direct3D 6.0
History
Predecessor Voodoo2
Successor Voodoo 5
Support status
Unsupported
3dfx Voodoo3 2000 PCI Voodoo3-2000PCI.jpg
3dfx Voodoo3 2000 PCI
3dfx Voodoo3 3000 AGP Voodoo3-3000AGP.jpg
3dfx Voodoo3 3000 AGP

Voodoo3 was a series of computer gaming video cards manufactured and designed by 3dfx Interactive. It was the successor to the company's high-end Voodoo2 line and was based heavily upon the older Voodoo Banshee product. Voodoo3 was announced at COMDEX '98 and arrived on store shelves in early 1999. [1] The Voodoo3 line was the first product manufactured by the combined STB Systems and 3dfx. [2]

Contents

History

The 'Avenger' graphics core [3] was originally conceived immediately after Banshee. Due to mis-management by 3dfx, this caused the next-generation 'Rampage' project to suffer delays which would prove to be fatal to the entire company.

Avenger was pushed to the forefront as it offered a quicker time to market than the already delayed Rampage.[ citation needed ] Avenger was no more than the Banshee core with a second texture mapping unit (TMU) added - the same TMU which Banshee lost compared to Voodoo2. Avenger was thus merely a Voodoo2 with an integrated 128-bit 2D video accelerator and twice the clock speed. [1] [2] [3] [4]

Architecture and performance

Much was made of Voodoo3 (christened 'Avenger') and its 16-bit color rendering limitation. This was in fact quite complex, as Voodoo3 operated to full 32-bit precision (8 bits per channel, 16.7M colours) in its texture mappers and pixel pipeline as opposed to previous products from 3dfx and other vendors, which had only worked in 16-bit precision. [5] [6]

To save framebuffer space, the Voodoo3's rendering output was dithered to 16 bit. [5] This offered better quality than running in pure 16-bit mode. However, a controversy arose over what happened next.

The Voodoo3's RAMDAC, which took the rendered frame from the framebuffer and generated the display image, performed a 2x2 box or 4x1 line filter on the dithered image to almost reconstruct the original 24-bit color render. 3dfx claimed this to be '22-bit' equivalent quality. [5] As such, Voodoo3's framebuffer was not representative of the final output, and therefore, screenshots did not accurately portray Voodoo3's display quality which was actually much closer to the 24-bit outputs of Nvidia's RIVA TNT2 and ATI's Rage 128. [7]

The internal organisation of Avenger was not complex. Pre-setup notably featured a guardband clipper (eventually part of hardware transformation and lighting) but the pixel pipeline was a conventional single-issue, dual-texture design almost identical to that featured on Voodoo2, but capable of working on 32-bit image data as opposed to Voodoo2's pure 16-bit output. Avenger's other remarkable features included the 128-bit GDI accelerator debuted in Banshee. This 2D engine led the Voodoo3 to be considered one of the more high-performance video cards of its generation. [8] [9]

The Voodoo3 2000, 3000 and 3500 differed mainly in clock frequencies (memory and core were synchronous). The clock rates were 143 MHz, 166 MHz and 183 MHz respectively. While this gave the 3000 and 3500 a notable theoretical advantage in multi-textured fillrate over its main rival, the TNT2 clocked at 125 MHz, the TNT2 had nearly twice the single-textured fillrate of the Voodoo3. In addition, the Voodoo3 consisted of one multi-texturing pipeline, the TNT series consisted of twin single texturing pipelines. [10] As a result, Voodoo3 was disadvantaged in games not using multiple texturing. The 2000 and 3000 boards generally differed in their support for TV output; the 3500 boards also carried a TV tuner and provided a wide range of video inputs and outputs.

At the time modern multi-texturing games such as Quake III Arena and Unreal Tournament were considered Voodoo3's performance territory, as Voodoo3's primary competition upon release was the dated RIVA TNT. [9] Nvidia's RIVA TNT2 arrived shortly thereafter and the two traded places frequently in benchmark results. [11]

Although the Voodoo3 was a replacement for the Voodoo2, it was often beaten by Voodoo2 SLI cards in direct comparisons. [12]

Voodoo 3 support MPEG-2 video acceleration. [13]

Voodoo3 remained performance competitive throughout its life, eventually being comprehensively outclassed by Nvidia's GeForce 256 and ATI's Radeon. 3dfx created the ill-fated Voodoo 5 to counter.

3dfx Velocity

3dfx released a line of business / value-oriented cards based on the Voodoo3 Avenger chipset. With the purchase of STB Systems, 3dfx had acquired several popular brand names. The Velocity brand had appealed to OEM system builders for years, with boards such as the S3 Graphics ViRGE VX-based STB Velocity 3D and Nvidia RIVA 128-based Velocity 128 being used in many OEM systems from companies such as Gateway. The 3dfx Velocity boards came with only 8 MB of RAM, compared to 16 MB on a regular Voodoo3. In addition, one of the texture management units came disabled as well, making the board more like a Banshee. Enthusiasts discovered that it was possible to enable the disabled TMU with a simple registry alteration. [14] The board's clock speed was set at 143 MHz, exactly the same as a Voodoo3 2000. [15]

Drivers

The last set of drivers officially released for the Voodoo3 on Win9x was version 1.07.00. For Win2000 the latest version is 1.03.00. Dual monitor support with V1.1.3b for Mac OS 8 and 9. [16] After 3dfx shut its doors, 3rd party drivers for Windows 98/98SE, 2000, Me and XP were developed by loyal 3dfx customers.[ citation needed ] Drivers for Windows XP are still available at Microsoft for download.

Models

ModelLaunch Code name VGA1Fab (nm) Bus interface Memory (MB)Core clock (MHz)Memory clock (MHz)Core config2 Fillrate Memory Direct3D support
MOperations/s
MPixels/s
MTexels/s
MVertices/s
Bandwidth (GB/s)
Bus type
Bus width (bit)
Velocity 100July 26, 1999Avenger✓250AGP 2x81431432:114314328602.288SDR1286.0
Velocity 200Never releasedAvenger✓250AGP 2x161431432:114314328602.288SDR1286.0
Voodoo3 1000March 1999Avenger✓250AGP 2x8, 16125, 143125, 1432:112512525002, 2.288SDR1286.0
Voodoo3 2000April 7, 1999Avenger✓250AGP 2x, PCI161431432:114314328602.288SDR1286.0
Voodoo3 3000April 7, 1999Avenger✓250AGP 2x, PCI161661662:116616633302.66SDR1286.0
Voodoo3 3500 TVsiApril 7, 1999Avenger✓250AGP 2x161661662:116616633302.66SDR1286.0
Voodoo3 3500 TVJune 1999Avenger✓250AGP 2x161831832:118318336602.928SDR1286.0
Voodoo3 3500 TV SEJune 1999Avenger✓250AGP 2x162002002:120020040003.19SDR1286.0

Competing chipsets

Related Research Articles

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References

  1. 1 2 3Dfx Interactive Blasts COMDEX with Voodoo3 Debut And Four Voodoo Banshee PC-OEM Announcements, 3dfx Press Release, November 16, 1998.
  2. 1 2 Brown, Peter. 3Dfx Takes Chance on Boards - Voodoo3 2000, Voodoo3 3000, and Voodoo3 3500 - Product Announcement, Electronic News, March 1, 1999.
  3. 1 2 "3dfx Avenger GPU Specs | TechPowerUP GPU Database". TechPowerUp. Retrieved August 28, 2024.
  4. ↑ Pabst, Thomas. New 3D Chips – Banshee, G200, RIVA TNT And Savage3D Archived November 6, 2016, at the Wayback Machine , Tom's Hardware, August 18, 1998.
  5. 1 2 3 Beets, Kristof. 3dfx '22Bit Colour' Explored, Beyond3D, May 7, 1999.
  6. ↑ Norton-Smith, Hugh (February 2000). "3dfx Bites Back With Voodoo 4/5". PC PowerPlay . No. 45. p. 102. Retrieved 2024-08-27.
  7. ↑ Lal Shimpi, Anand. Nvidia Riva TNT2, Anandtech, April 27, 1999.
  8. ↑ Fastsite. Matrox Millennium G400 16MB Review Archived 2006-07-21 at the Wayback Machine , X-bit Labs, July 2, 1999.
  9. 1 2 Lal Shimpi, Anand. 3dfx Voodoo3, Anandtech, April 3, 1999.
  10. ↑ Beyond3D 3D Chip Tables Archived 2006-01-18 at the Wayback Machine , Beyond3D.Com, accessed August 30, 2006.
  11. ↑ Lal Shimpi, Anand. NVIDIA Riva TNT2, Anandtech, April 27, 1999.
  12. ↑ Pabst, Thomas., Tom's Hardware, February 22, 1999.
  13. ↑ VGA Legacy MKIII - 3Dfx Voodoo 3 3000
  14. ↑ "Exploring the Velocity" . Retrieved 2018-07-26.
  15. ↑ Andrawes, Mike. 3dfx Velocity 100, Anandtech, October 29, 1999.
  16. ↑ Voodoo3 Drivers
  17. ↑ Vlask. "VGA Legacy MKIII - 3Dfx Velocity 100" . Retrieved 2017-05-25.
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