GeForce4 MX 420 PCI vs GeForce Go 6400
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
Place in the ranking | 1518 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Architecture | Curie (2003−2013) | Celsius (1999−2005) |
GPU code name | NV44 A2 | NV17 A3 |
Market segment | Laptop | Desktop |
Release date | 1 February 2006 (19 years ago) | 6 February 2002 (23 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.
Pipelines / CUDA cores | 7 | no data |
Core clock speed | 400 MHz | 250 MHz |
Boost clock speed | 400 MHz | no data |
Number of transistors | 75 million | 29 million |
Manufacturing process technology | 110 nm | 150 nm |
Texture fill rate | 1.600 | 1.000 |
ROPs | 2 | 2 |
TMUs | 4 | 4 |
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 | PCIe 1.0 x16 | PCI |
Width | no data | 1-slot |
Supplementary power connectors | no data | 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 | DDR | SDR |
Maximum RAM amount | 32 MB | 64 MB |
Memory bus width | 64 Bit | 64 Bit |
Memory clock speed | 350 MHz | 166 MHz |
Memory bandwidth | 5.6 GB/s | 1.328 GB/s |
Shared memory | - | no data |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
Display Connectors | No outputs | 1x VGA, 1x S-Video |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
DirectX | 9.0c (9_3) | 8.0 |
Shader Model | 3.0 | no data |
OpenGL | 2.1 | 1.3 |
OpenCL | N/A | N/A |
Vulkan | N/A | N/A |
Pros & cons summary
Recency | 1 February 2006 | 6 February 2002 |
Maximum RAM amount | 32 MB | 64 MB |
Chip lithography | 110 nm | 150 nm |
Go 6400 has an age advantage of 3 years, and a 36.4% more advanced lithography process.
GeForce4 MX 420 PCI, on the other hand, has a 100% higher maximum VRAM amount.
We couldn't decide between GeForce Go 6400 and GeForce4 MX 420 PCI. We've got no test results to judge.
Be aware that GeForce Go 6400 is a notebook graphics card while GeForce4 MX 420 PCI is a desktop one.
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