3dfx Voodoo Rush

The 3dfx Voodoo Rush was an early 3D graphics accelerator released in 1997, designed as a cheaper, all-in-one alternative to the original Voodoo Graphics cards. Unlike the first Voodoo cards, which required a separate 2D graphics card, Voodoo Rush combined 2D and 3D rendering on a single card.

Main characteristics

• Manufacturer: Developed by 3dfx Interactive with partner companies producing the cards.
• Architecture: Combined:
  • a 3dfx Voodoo Graphics (3D chip), and
  • a separate 2D VGA controller from another manufacturer (commonly Alliance or Macronix).
• Memory: Usually 4 MB to 8 MB EDO RAM
• API support:
  • Glide (3dfx’s proprietary API — often gave the best performance)
  • Direct3D
  • Some OpenGL support via mini-drivers
• Connection: PCI slot
• Typical resolutions:
  • 3D gaming around 640×480
  • Higher resolutions possible for desktop use

Why it was important

The Voodoo Rush aimed to make 3D gaming simpler by eliminating the need for:

1. a normal 2D graphics card, plus
2. a separate Voodoo accelerator card with a pass-through cable.

That made PCs cheaper and easier to build.

Why it wasn’t very successful

Despite the idea, the Voodoo Rush often performed worse than the original Voodoo Graphics, because:

• The shared memory architecture created bottlenecks.
• The integrated 2D chips varied in quality.
• Drivers were inconsistent.
• Games optimized for the original Voodoo sometimes ran slower.

As a result, enthusiasts usually preferred the original Voodoo Graphics or later the much more successful 3dfx Voodoo2.

Legacy

The Voodoo Rush is remembered as an interesting transitional product between:

• separate 3D accelerators (early Voodoo era), and
• fully integrated 2D/3D graphics cards that later became standard.

For retro PC collectors, a working Voodoo Rush is now mostly valued as a piece of late-1990s PC gaming history, especially for running Glide-optimized titles like Tomb Raider or Quake.