GEFORCE

NVIDIA GeForce4 MX 420

NVIDIA graphics card specifications and benchmark scores

64 MB
VRAM
MHz Boost
TDP
128
Bus Width

NVIDIA GeForce4 MX 420 Specifications

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GeForce4 MX 420 GPU Core

Shader units and compute resources

The NVIDIA GeForce4 MX 420 GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

TMUs
4
ROPs
2
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GeForce4 MX 420 Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the GeForce4 MX 420's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The GeForce4 MX 420 by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
250 MHz
Memory Clock
166 MHz
GDDR GDDR 6X 6X

NVIDIA's GeForce4 MX 420 Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce4 MX 420's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
64 MB
VRAM
64 MB
Memory Type
SDR
VRAM Type
SDR
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
2.656 GB/s
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GeForce4 MX 420 Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce4 MX 420 against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

Pixel Rate
500.0 MPixel/s
Texture Rate
1.000 GTexel/s
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Celsius Architecture & Process

Manufacturing and design details

The NVIDIA GeForce4 MX 420 is built on NVIDIA's Celsius architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the GeForce4 MX 420 will perform in GPU benchmarks compared to previous generations.

Architecture
Celsius
GPU Name
NV17
Process Node
150 nm
Foundry
TSMC
Transistors
29 million
Die Size
65 mm²
Density
446.2K / mm²
🔌

NVIDIA's GeForce4 MX 420 Power & Thermal

TDP and power requirements

Power specifications for the NVIDIA GeForce4 MX 420 determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the GeForce4 MX 420 to maintain boost clocks without throttling.

Power Connectors
None
Suggested PSU
200 W
📐

GeForce4 MX 420 by NVIDIA Physical & Connectivity

Dimensions and outputs

Physical dimensions of the NVIDIA GeForce4 MX 420 are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
Single-slot
Bus Interface
AGP 4x
Display Outputs
1x VGA1x S-Video
Display Outputs
1x VGA1x S-Video
🎮

NVIDIA API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the NVIDIA GeForce4 MX 420. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

DirectX
7.0
DirectX
7.0
OpenGL
1.5
OpenGL
1.5
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GeForce4 MX 420 Product Information

Release and pricing details

The NVIDIA GeForce4 MX 420 is manufactured by NVIDIA as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the GeForce4 MX 420 by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
NVIDIA
Release Date
Feb 2002
Production
End-of-life
Predecessor
GeForce 3
Successor
GeForce 4 Ti

GeForce4 MX 420 Benchmark Scores

📊

No benchmark data available for this GPU.

About NVIDIA GeForce4 MX 420

The NVIDIA GeForce4 MX 420 was released on February 6, 2002, and targets entry-level productivity and office environments. It utilizes the Celsius architecture fabricated on a 150 nm process, paired with 64 MB of SDR memory. The card operates on the AGP 4x interface, providing sufficient bandwidth for basic display tasks. This combination prioritizes cost efficiency and stability over raw performance. As a result, the MX 420 is well-suited for 2D desktop acceleration, video playback, and simple business applications. Its thermal output is minimal, allowing for passive cooling solutions in many system builds. Regarding compute capabilities, this GPU predates the unified CUDA architecture and lacks native support for modern CUDA or OpenCL workloads. Any general-purpose computing would rely on legacy DirectX or fixed-function hardware paths rather than programmable shaders. While it can handle basic pixel operations, it cannot accelerate contemporary scientific or AI calculations. The NVIDIA GeForce4 MX 420 is not designed for GPU-accelerated rendering pipelines in professional software. Users should not expect any meaningful performance in compute-heavy tasks. For productivity suites that do not rely on GPGPU, the card remains functional but limited. For 3D rendering, the hardware supports DirectX and OpenGL feature sets consistent with its era. It can render simple models and textures, making it adequate for basic architectural visualization or early 3D design previews. However, the 64 MB memory buffer severely restricts scene complexity and texture resolution. The NVIDIA GeForce4 MX 420 will struggle with modern shaders, lighting effects, or high-polygon counts. Consequently, it is best reserved for 2D acceleration and legacy 3D applications rather than contemporary rendering pipelines. Users requiring advanced 3D capabilities should look toward more modern solutions. Driver support and stability are generally mature due to the card's age, though official support has long ceased. Legacy drivers for Windows 98, ME, 2000, and XP are available, offering stable operation for vintage systems. Multi-GPU considerations are limited, as the architecture lacks SLI capabilities found in higher-end contemporaries. Users cannot pair multiple GeForce4 MX 420 units to scale performance for productivity tasks. Despite these limitations, the card remains a reliable choice for restoring period-correct workstations. Its primary value lies in providing basic display output and compatibility with legacy software environments.

The AMD Equivalent of GeForce4 MX 420

Looking for a similar graphics card from AMD? The AMD Radeon RX 480 offers comparable performance and features in the AMD lineup.

AMD Radeon RX 480

AMD • 8 GB VRAM

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