GPU Wiki

Riva 128ZX 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.

Swap Clear

Key Differences

  • Riva 128ZX has more Memory size (8 MB vs 4 MB on standard RIVA 128 boards).
  • Architecture: Riva 128ZX has NV3 / RIVA; Riva 128 has NV3 / RIVA fixed function 2D, video, and 3D accelerator.
  • Launch date: Riva 128ZX has 1998-02-23; Riva 128 has 1997-08-25.
  • Memory type: Riva 128ZX has SDR; Riva 128 has SGRAM.
  • Process node: Riva 128ZX has ST 350 nm; Riva 128 has SGS-Thomson 350 nm class.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec Riva 128ZX Riva 128
Overview
Product name NVIDIA Riva 128ZX NVIDIA RIVA 128
Architecture NV3 / RIVA NV3 / RIVA fixed function 2D, video, and 3D accelerator
Generation / family RIVA Series RIVA Series
GPU codename NV3 NV3
Launch date 1998-02-23 1997-08-25
Launch MSRP Unknown Board pricing varied by partner
Market segment Desktop in RIVA Series Consumer desktop 2D/3D graphics accelerator
Board type / entry type Reference GPU Reference GPU
GPU
Process node ST 350 nm SGS-Thomson 350 nm class
Die size 71 mm² About 90 mm2
Transistor count 4 million About 3.5 to 4 million, depending on source wording
GPU chip NV3 NV3
SM / multiprocessor count 0 0
CUDA Cores 0 0
ROPs 1 1
TMUs 1 1
Clocks
Base / Core clock 100 MHz 100 MHz
Boost clock 100 MHz 100 MHz
Memory clock 100 MHz 100 MHz
Memory
Memory size 8 MB 4 MB on standard RIVA 128 boards
Memory type SDR SGRAM
Memory bus width 128-bit 128-bit
Memory bandwidth 1.6 GB/s 1.6 GB/s
Bus / Interface
Bus interface AGP 2x AGP 1x or PCI
AGP / PCI / PCIe distinction AGP Legacy graphics interface. AGP Legacy graphics interface.
Power
TDP / TBP / board power Unknown About 4 W class
Recommended PSU 200 W 200 W
Power connectors None None
Slot width Single-slot Single slot
Cooling type Unknown Passive heatsink on most boards
Display / Media
Display outputs 1x VGA 15-pin VGA on typical boards.
Some partner cards added video input or video output.
Features
DirectX support DirectX 5.0 Direct3D 5.0 class
OpenGL support OpenGL 1.0 OpenGL 1.0 class, with period driver limitations
Vulkan support Unknown Not supported
CUDA support Unknown Not applicable

© 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.