GPU Wiki

Riva 128 vs NV1

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.

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Key Differences

  • Riva 128 has more Memory size (4 MB on standard RIVA 128 boards vs 1 MB, 2 MB, or 4 MB depending on board).
  • Riva 128 has more Memory bandwidth (1.6 GB/s vs About 0.4 to 0.48 GB/s).
  • Boost clock: Riva 128 has 100 MHz; NV1 has 75 MHz.
  • TDP / TBP / board power: Riva 128 has About 4 W class; NV1 has About 2 W class.
  • Architecture: Riva 128 has NV3 / RIVA fixed function 2D, video, and 3D accelerator; NV1 has NV1, quadratic texture mapping multimedia accelerator.
  • Launch date: Riva 128 has 1997-08-25; NV1 has 1995-05-22.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec Riva 128 NV1
Overview
Product name NVIDIA RIVA 128 NVIDIA NV1 / SGS-Thomson STG2000
Architecture NV3 / RIVA fixed function 2D, video, and 3D accelerator NV1, quadratic texture mapping multimedia accelerator
Generation / family RIVA Series NV1 Series
GPU codename NV3 NV1
Launch date 1997-08-25 1995-05-22
Launch MSRP Board pricing varied by partner Diamond Edge 3D boards were listed around $259 to $315 depending on model
Market segment Consumer desktop 2D/3D graphics accelerator Consumer PCI multimedia accelerator, early 3D, audio, video, and controller support
Board type / entry type Reference GPU Reference GPU
GPU
Process node SGS-Thomson 350 nm class SGS-Thomson 500 nm class
Die size About 90 mm2 About 90 mm2
Transistor count About 3.5 to 4 million, depending on source wording About 1 million
GPU chip NV3 NV1 / STG2000
SM / multiprocessor count 0 0
CUDA Cores 0 0
ROPs 1 1
TMUs 1 1
Clocks
Base / Core clock 100 MHz 75 MHz graphics core class
Boost clock 100 MHz 75 MHz
Memory clock 100 MHz 50 to 60 MHz class
Memory
Memory size 4 MB on standard RIVA 128 boards 1 MB, 2 MB, or 4 MB depending on board
Memory type SGRAM FPM DRAM, EDO DRAM, or VRAM depending on board
Memory bus width 128-bit 64-bit
Memory bandwidth 1.6 GB/s About 0.4 to 0.48 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 About 2 W class
Recommended PSU 200 W 200 W
Power connectors None None
Slot width Single slot Single slot
Cooling type Passive heatsink on most boards Passive or bare package on many boards
Display / Media
Display outputs 15-pin VGA on typical boards.
Some partner cards added video input or video output. 		15-pin VGA on Diamond Edge 3D boards.
Some boards also exposed audio jacks and a proprietary game controller port.
Features
DirectX support Direct3D 5.0 class Direct3D compatibility was limited because NV1 targeted quadratic primitives rather than the triangle based Direct3D direction
OpenGL support OpenGL 1.0 class, with period driver limitations Not a normal OpenGL accelerator
Vulkan support Not supported Not supported
CUDA support Not applicable Not applicable

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