Matrox Millennium G400 vs Riva 128ZX
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | no data | G400 (1999−2002) |
| GPU code name | NV3 | Toucan |
| Market segment | Desktop | Desktop |
| Release date | 23 February 1998 (26 years ago) | 20 May 1999 (25 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Core clock speed | 100 MHz | 125 MHz |
| Number of transistors | 4 million | 10 million |
| Manufacturing process technology | 350 nm | 250 nm |
| Texture fill rate | 0.1 | 0.25 |
| ROPs | 1 | 2 |
| TMUs | 1 | 2 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | AGP 2x | PCI |
| Length | no data | 150 mm |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | None | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | SDR | SDR |
| Maximum RAM amount | 8 MB | 32 MB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 100 MHz | 166 MHz |
| Memory bandwidth | 1.6 GB/s | 2.656 GB/s |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x VGA | 1x DVI, 1x VGA |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 5.0 | 6.0 |
| OpenGL | 1.0 | None |
| OpenCL | N/A | None |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 23 February 1998 | 20 May 1999 |
| Maximum RAM amount | 8 MB | 32 MB |
| Chip lithography | 350 nm | 250 nm |
Matrox Millennium G400 has an age advantage of 1 year, a 300% higher maximum VRAM amount, and a 40% more advanced lithography process.
We couldn't decide between Riva 128ZX and Matrox Millennium G400. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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