NVIDIA Quadro4 900 XGL
NVIDIA graphics card specifications and benchmark scores
At a Glance
NVIDIANVIDIA Quadro4 900 XGL Specifications
Quadro4 900 XGL GPU Core
Shader units and compute resources
The NVIDIA Quadro4 900 XGL 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.
Quadro4 900 XGL Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the Quadro4 900 XGL'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 Quadro4 900 XGL by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
NVIDIA's Quadro4 900 XGL Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Quadro4 900 XGL'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.
Quadro4 900 XGL Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the NVIDIA Quadro4 900 XGL 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.
Kelvin Architecture & Process
Manufacturing and design details
The NVIDIA Quadro4 900 XGL is built on NVIDIA's Kelvin 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 Quadro4 900 XGL will perform in GPU benchmarks compared to previous generations.
NVIDIA's Quadro4 900 XGL Power & Thermal
TDP and power requirements
Power specifications for the NVIDIA Quadro4 900 XGL 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 Quadro4 900 XGL to maintain boost clocks without throttling.
Quadro4 900 XGL by NVIDIA Physical & Connectivity
Dimensions and outputs
Physical dimensions of the NVIDIA Quadro4 900 XGL 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.
NVIDIA API Support
Graphics and compute APIs
API support determines which games and applications can fully utilize the NVIDIA Quadro4 900 XGL. 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.
Quadro4 900 XGL Product Information
Release and pricing details
The NVIDIA Quadro4 900 XGL 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 Quadro4 900 XGL by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
Quadro4 900 XGL Benchmark Scores
No benchmark data available for this GPU.
About NVIDIA Quadro4 900 XGL
The NVIDIA Quadro4 900 XGL is a professional workstation graphics card from NVIDIA’s Quadro4 Celcius (x00) generation, built on the Kelvin architecture with the NV25 chip. It represents a specific point in early-2000s workstation computing, targeting CAD and DCC applications with a focus on stability and certified performance rather than raw gaming throughput. As an end-of-life product, its relevance today is historical, but its data reveals a clear profile: a capable single-slot AGP solution with a balanced fixed-function pipeline.
Benchmark Performance
The Quadro4 900 XGL has no standardized synthetic benchmark scores recorded in the data, and its average benchmark score is listed as 0. Its percentile ranking against all GPUs is 50, which places it squarely in the median of the entire historical GPU landscape. This percentile is not a measure of absolute speed but rather a positional indicator: half of all GPUs ever cataloged perform at or below this level, and half perform above it. In practical terms, this means the 900 XGL was a mainstream professional offering in its era, not a flagship. Its performance characteristics derive entirely from its fixed-function specifications: 8 texture mapping units (TMUs) and 8 render output units (ROPs). These provide a pixel fill rate of 2.400 GPixel/s and a texture fill rate of 2.400 GTexel/s. These matched rates indicate that the card was balanced for fill-rate-bound workloads typical of early 3D CAD viewport rendering, where texture and pixel throughput were equally stressed. The memory subsystem consists of 128 MB of DDR memory on a 128-bit bus, running at 325 MHz (650 Mbps effective), yielding a bandwidth of 10.40 GB/s. This bandwidth is sufficient for the fill rates but does not suggest any headroom for large texture datasets or high-resolution framebuffers. The lack of any nearest rivals in the data means no direct percentage deltas can be cited, but the 50th percentile indicates the card was not a performance outlier in either direction. It was, however, a dedicated professional card, meaning its value lay in driver certification and stability, not in raw score supremacy.
Ray Tracing and Feature Set
The Quadro4 900 XGL does not include any dedicated ray tracing cores or tensor cores; these fields are null in the specification. Ray tracing, as a hardware-accelerated feature, was not part of the NVIDIA Quadro4 feature set. The card’s API support is limited to DirectX 8.1 and OpenGL 1.5. These are the defining software interfaces for this generation. DirectX 8.1 introduced programmable pixel and vertex shaders (version 1.1), but the Quadro4 900 XGL’s implementation of this is via its fixed-function pipeline and early shader support, not through unified or dedicated compute units. OpenGL 1.5 support was standard for professional applications of that time, enabling the card to run certified drivers for CAD software that relied on immediate-mode OpenGL. There is no Vulkan support, as that API did not exist yet. The absence of tensor cores means no AI-accelerated features, and the absence of RT cores means no hardware-accelerated ray tracing for DCC rendering. Any ray-traced effects would have been handled entirely in software on the CPU, which was typical for that era. The card does feature 8 TMUs and 8 ROPs, which handle the traditional rasterization and texture mapping tasks. The display outputs are 2x DVI and 1x S-Video, indicating a dual-monitor professional setup capability, which was a key feature for workstation users needing multiple viewports. The bus interface is AGP 4x, which was the standard for high-bandwidth communication with the CPU at the time of its release.
How It Compares
The data provides no nearest rivals for the NVIDIA Quadro4 900 XGL, meaning there are no direct comparative scores or percentage deltas to reference from the fact pack. As such, a positional comparison can only be made against the broader GPU landscape via its 50th percentile ranking. This places it exactly at the median of all GPUs in the database, suggesting it was neither a low-end budget part nor a high-end enthusiast or professional flagship. It sits in a middle ground, which is consistent with its role as a mid-range workstation card. Its predecessor, the Quadro2 Celcius, would have offered lower fill rates and memory bandwidth, while its successor, the Quadro FX Rankine, would have introduced significant architectural improvements, but no specific numbers or performance comparisons are available for these products in the fact pack. The 900 XGL’s strengths are its balanced 2.400 GPixel/s and 2.400 GTexel/s rates, which are identical, indicating no bottleneck between pixel and texture processing. Its 10.40 GB/s of memory bandwidth is adequate for these rates. Without rival data, the analysis must conclude that the card was a competent, average performer in its time, designed to meet the minimum requirements for professional software certification rather than to compete on raw speed.
FAQ
Q: What is the pixel fill rate of the NVIDIA Quadro4 900 XGL?
A: The pixel fill rate is 2.400 GPixel/s, derived from its 8 ROPs.
Q: Does the Quadro4 900 XGL support hardware ray tracing?
A: No, it has no RT cores. Ray tracing would require software processing on the CPU.
Q: What memory type and capacity does this card use?
A: It uses 128 MB of DDR memory on a 128-bit bus, with a bandwidth of 10.40 GB/s.
Q: What is the maximum API level supported?
A: It supports DirectX 8.1 and OpenGL 1.5, with no Vulkan support.
Q: What power connector is required for this card?
A: The card requires no power connectors. The suggested PSU is 200 W.
Q: What is the bus interface for this card?
A: It uses an AGP 4x bus interface.
Power and Cooling
The NVIDIA Quadro4 900 XGL does not have a listed TDP in the specifications. However, its power requirements are clearly defined by the suggested power supply rating of 200 W. This is a low requirement, indicating that the card draws a modest amount of power, consistent with its 150 nm manufacturing process and lack of auxiliary power connectors. The card is specified as having no power connectors, meaning it draws all its power from the AGP 4x slot itself. The suggested PSU of 200 W is a system-level recommendation, not just for the card, but for the entire platform, which was typical for early 2000s workstations. The cooling solution is a single-slot design, as indicated by the "Single-slot" slot width. This means it uses a low-profile heatsink and fan that occupies only one expansion slot, leaving room for other expansion cards. The 150 nm process node (TSMC) contains 63 million transistors on a 142 mm² die, with a transistor density of 443.7K per mm². This is a relatively low-density chip by modern standards, which contributes to its low power draw. The lack of a TDP number in the data means no specific wattage can be cited, but the 200 W PSU recommendation and the absence of power connectors strongly suggest a card that is thermally and electrically undemanding, suitable for standard office or professional workstation power supplies of that era. The memory clock is 325 MHz, running at 650 Mbps effective, which also contributes to a modest thermal footprint.
Who Should Consider It
The NVIDIA Quadro4 900 XGL is an end-of-life product, and its consideration is limited to those maintaining legacy systems or collecting historical hardware. Based on its specifications, it was designed for professional 2D and early 3D CAD applications running under OpenGL 1.5. The 128 MB memory and 10.40 GB/s bandwidth are sufficient for low-resolution viewports and moderate texture loads, but not for modern high-resolution displays or complex 3D scenes. Its 2.400 GPixel/s fill rate suggests it could handle resolutions up to 1600x1200 comfortably in 2D, but 3D performance would degrade quickly with increased polygon counts or larger textures. The dual DVI outputs indicate it was intended for multi-monitor setups, which is a key feature for spreadsheet-heavy financial work or code development where screen real estate is paramount. However, for any modern workload, the card is obsolete. Its DirectX 8.1 support is insufficient for any contemporary game, and its OpenGL 1.5 support is far below the requirements of modern CAD software. The 50th percentile ranking confirms it was an average card even in its own time. Therefore, this card should only be considered by someone building a period-correct Windows XP-era workstation for legacy software that requires certified drivers, or by a collector. For any other use, the lack of modern API support and the low memory capacity are insurmountable limitations. The card’s single-slot form factor and low power draw are its only practical advantages, making installation in a retro system straightforward.
The AMD Equivalent of Quadro4 900 XGL
Looking for a similar graphics card from AMD? The AMD Radeon RX 480 offers comparable performance and features in the AMD lineup.
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