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NV1 vs Riva 128

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

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