GPU Wiki

Riva 128 vs STG-2000

Select up to four GPU Wiki entries to compare matching specifications row by row. The comparison uses the site database and keeps generation-specific specs visibly separate.

Swap Clear

Key Differences

  • Riva 128 has more Memory size (4 MB on standard RIVA 128 boards vs 1 MB).
  • Riva 128 has more Memory bandwidth (1.6 GB/s vs 0.4 GB/s).
  • Boost clock: Riva 128 has 100 MHz; STG-2000 has 75 MHz.
  • TDP / TBP / board power: Riva 128 has About 4 W class; STG-2000 has 2 W.
  • Architecture: Riva 128 has NV3 / RIVA fixed function 2D, video, and 3D accelerator; STG-2000 has NV1.
  • Launch date: Riva 128 has 1997-08-25; STG-2000 has 1995-09-30.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec Riva 128 STG-2000
Overview
Product name NVIDIA RIVA 128 NVIDIA STG-2000
Architecture NV3 / RIVA fixed function 2D, video, and 3D accelerator NV1
Generation / family RIVA Series NV1 Series
GPU codename NV3 NV1
Launch date 1997-08-25 1995-09-30
Launch MSRP Board pricing varied by partner Unknown
Market segment Consumer desktop 2D/3D graphics accelerator Desktop in NV1 Series
Board type / entry type Reference GPU Reference GPU
GPU
Process node SGS-Thomson 350 nm class ST 500 nm
Die size About 90 mm2 135 mm²
Transistor count About 3.5 to 4 million, depending on source wording 1 million
GPU chip NV3 NV1
SM / multiprocessor count 0 0
CUDA Cores 0 0
ROPs 1 1
TMUs 1 1
Clocks
Base / Core clock 100 MHz 75 MHz
Boost clock 100 MHz 75 MHz
Memory clock 100 MHz 50 MHz
Memory
Memory size 4 MB on standard RIVA 128 boards 1 MB
Memory type SGRAM FPM
Memory bus width 128-bit 64-bit
Memory bandwidth 1.6 GB/s 0.4 GB/s
Bus / Interface
Bus interface AGP 1x or PCI PCI
AGP / PCI / PCIe distinction AGP Legacy graphics interface. PCI Legacy graphics interface.
Power
TDP / TBP / board power About 4 W class 2 W
Recommended PSU 200 W 200 W
Power connectors None None
Slot width Single slot Single-slot, 168 mm length
Cooling type Passive heatsink on most boards Unknown
Display / Media
Display outputs 15-pin VGA on typical boards.
Some partner cards added video input or video output. 		1x VGA, 1x DB13W3
Features
DirectX support Direct3D 5.0 class DirectX 1.0
OpenGL support OpenGL 1.0 class, with period driver limitations Unknown
Vulkan support Not supported Unknown
CUDA support Not applicable Unknown

© 2026 NVIDIA Club. Independent GPU history, guides, and hardware knowledge.

NVIDIA Club is an independent enthusiast and technical knowledge site. It is not affiliated with, endorsed by, or sponsored by NVIDIA Corporation.