GPU Wiki

Riva 128 vs Riva TNT

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 TNT has more Memory size (8 MB or 16 MB depending on board vs 4 MB on standard RIVA 128 boards).
  • Riva TNT has more Memory bandwidth (About 1.76 GB/s vs 1.6 GB/s).
  • Boost clock: Riva 128 has 100 MHz; Riva TNT has 90 MHz.
  • TDP / TBP / board power: Riva 128 has About 4 W class; Riva TNT has Not consistently specified in public board data.
  • Architecture: Riva 128 has NV3 / RIVA fixed function 2D, video, and 3D accelerator; Riva TNT has NV4 / RIVA TNT fixed function 2D, video, and 3D accelerator.
  • Launch date: Riva 128 has 1997-08-25; Riva TNT has 1998-08-31.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec Riva 128 Riva TNT
Overview
Product name NVIDIA RIVA 128 NVIDIA RIVA TNT
Architecture NV3 / RIVA fixed function 2D, video, and 3D accelerator NV4 / RIVA TNT fixed function 2D, video, and 3D accelerator
Generation / family RIVA Series RIVA TNT Series
GPU codename NV3 NV4
Launch date 1997-08-25 1998-08-31
Launch MSRP Board pricing varied by partner Board pricing varied by partner
Market segment Consumer desktop 2D/3D graphics accelerator Consumer desktop 2D/3D graphics accelerator
Board type / entry type Reference GPU Reference GPU
GPU
Process node SGS-Thomson 350 nm class TSMC 350 nm class
Die size About 90 mm2 About 128 mm2
Transistor count About 3.5 to 4 million, depending on source wording About 7 million
GPU chip NV3 NV4
SM / multiprocessor count 0 0
CUDA Cores 0 0
ROPs 1 2
TMUs 1 2
Clocks
Base / Core clock 100 MHz 90 MHz
Boost clock 100 MHz 90 MHz
Memory clock 100 MHz 110 MHz class
Memory
Memory size 4 MB on standard RIVA 128 boards 8 MB or 16 MB depending on board
Memory type SGRAM SDRAM or SGRAM depending on board
Memory bus width 128-bit 128-bit
Memory bandwidth 1.6 GB/s About 1.76 GB/s
Bus / Interface
Bus interface AGP 1x or PCI AGP 2x or PCI depending on board
AGP / PCI / PCIe distinction AGP Legacy graphics interface. AGP Legacy graphics interface.
Power
TDP / TBP / board power About 4 W class Not consistently specified in public board data
Recommended PSU 200 W 200 W
Power connectors None None
Slot width Single slot Single slot
Cooling type Passive heatsink on most boards Passive heatsink was common, but heat can be a concern
Display / Media
Display outputs 15-pin VGA on typical boards.
Some partner cards added video input or video output. 		15-pin VGA on typical boards.
Some partner cards included TV-out.
Features
DirectX support Direct3D 5.0 class Direct3D 6.0 class
OpenGL support OpenGL 1.0 class, with period driver limitations OpenGL 1.2 class
Vulkan support Not supported Not supported
CUDA support Not applicable Not applicable

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