NVIDIA RTX PRO 4500 Blackwell Workstation

NVIDIA’s RTX PRO 4500 Blackwell Workstation pairs the GB203 chip with 32 GB of GDDR7 memory on a 256-bit bus, delivering 896.0 GB/s of bandwidth. That combination is the foundation for its positioning in the professional lineup, and the data shows it is built for high-resolution workloads where memory capacity and throughput matter more than raw clock speeds.

Memory Subsystem

The RTX PRO 4500 ships with 32 GB of GDDR7 memory, a 256-bit bus width, and 896.0 GB/s of bandwidth. The memory runs at 1750 MHz, which translates to 28 Gbps effective. For context, this is a substantial capacity figure for a workstation card in this class, and the bandwidth is high enough to feed the 10496 shading units without obvious bottlenecks in typical rendering or compute tasks.

At high resolutions, the 32 GB frame buffer allows large scenes, multi-layer compositing, or big dataset visualizations to stay resident in VRAM. The 896.0 GB/s bandwidth means texture streaming and shader data transfers keep pace with the GPU’s compute throughput. The 256-bit bus is narrower than some flagship designs, but the GDDR7 type compensates with a higher effective data rate, so the net bandwidth figure remains competitive. For 4K or 8K output, the pixel rate of 269.6 GPixel/s and texture rate of 789.5 GTexel/s indicate that memory bandwidth is not the limiting factor in most scenarios; rather, the GPU’s compute and rasterization resources will be the primary constraint.

What does this mean practically? If a workload exceeds 32 GB of VRAM usage, the card will spill into system memory, which severely degrades performance. But for the majority of professional applications, video editing timelines, 3D viewports, or AI inference with moderate batch sizes, the 32 GB capacity is a safety margin that avoids those spills. The memory subsystem is well-balanced for the card’s power envelope, and the data suggests it is designed to handle sustained loads without thermal throttling from memory overheating, though that is not directly measured here.

Ray Tracing and Feature Set

The RTX PRO 4500 includes 82 RT cores and 328 tensor cores, both built on the Blackwell 2.0 architecture. The RT cores handle ray traversal and intersection, while the tensor cores accelerate deep learning and denoising operations. The API support includes DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, which covers the modern graphics and compute interfaces used in professional software.

In ray-traced workflows, the 82 RT cores are a mid-to-high count for a workstation GPU. They enable hardware-accelerated ray tracing in DCC tools that support it, such as rendering engines that use OptiX or DirectX Raytracing. The tensor cores, at 328, are more numerous and handle the AI denoising passes that make interactive ray tracing practical. The FP16 performance is listed at 50.53 TFLOPS (1:1) with FP32, which is notable because it means there is no half-rate penalty for mixed-precision workloads, a feature that benefits certain simulation and AI inference tasks.

The card supports 4x DisplayPort 2.1b outputs, which is relevant for multi-monitor setups or high-bandwidth displays. The PCIe 5.0 x16 interface ensures that data transfer between the GPU and CPU is not a bottleneck for large datasets. The feature set is complete for a modern workstation: hardware ray tracing, tensor acceleration, and broad API coverage. There is no mention of DLSS or similar upscaling in the data, so that should not be assumed. The RT and tensor core counts are the key differentiators here, and they position this card as capable of real-time ray-traced previews and AI-assisted rendering, though the exact performance in those tasks is not quantified in the available benchmarks.

Benchmark Performance

The benchmark data for the RTX PRO 4500 is sparse: the percentile versus all GPUs is 50, meaning it sits at the median of all GPUs in the database, and the average benchmark score is 0, which indicates that no standardized benchmark scores have been recorded for this specific card in the current dataset. The nearestRivals list is empty, so there are no direct comparison deltas to compute from the fact pack.

This creates an unusual situation. Without rival scores, we cannot state that this card is X% faster than a competitor. The only quantitative performance figures are the raw specs: FP32 at 50.53 TFLOPS, FP16 at 50.53 TFLOPS, pixel rate at 269.6 GPixel/s, and texture rate at 789.5 GTexel/s. These are theoretical maxima, not real-world benchmark results. The percentile of 50 tells us that in the database’s ranking of all GPUs, this card is exactly in the middle, but that ranking includes gaming cards, older architectures, and integrated graphics, so it is not a meaningful predictor of workstation performance.

What can be inferred? The FP32 compute of 50.53 TFLOPS is a strong figure for a 200 W card. It suggests that in compute-bound tasks like physics simulations, finite element analysis, or machine learning training with FP32 precision, the card will perform at a level consistent with its position in the market. The 1:1 FP16 ratio means that mixed-precision workloads do not halve the throughput, which is advantageous for AI inference that uses FP16. The pixel rate of 269.6 GPixel/s is adequate for high-refresh-rate 4K output in viewports, but it is not a top-tier rasterization number. The texture rate of 789.5 GTexel/s supports heavy texture filtering in 3D applications.

Since there are no rival deltas, the analysis must rely on these absolute figures. The card is not the fastest in any category, but it is not a low-end part either. The percentile of 50 suggests that in the broad database, half of all GPUs are slower and half are faster, which aligns with a mid-range professional card. Without benchmark scores, the practical advice is to look at the compute and memory figures as the primary indicators of capability.

How It Compares

There are no nearest rivals listed in the data, so a direct comparison against specific models is not possible. The predecessor is listed as "Workstation Ada," which refers to the previous architecture generation. Comparing to that predecessor qualitatively: the RTX PRO 4500 uses the Blackwell 2.0 architecture on a 5 nm process, whereas the Ada generation used a different node and architecture. The transistor count is 45,600 million on a 378 mm² die, giving a density of 120.6M / mm². The memory type has moved to GDDR7 from whatever was used in the Ada generation, and the bandwidth of 896.0 GB/s is a specific figure that would need to be compared against the predecessor’s specification, but that number is not available in the fact pack.

The production status is Active, and the release date is 2025-03-17. The successor is null, meaning this is the current model in its line. Without rival data, the only comparative statements that can be made are about its own specifications: it has 10496 shading units, 328 TMUs, and 112 ROPs. These are the building blocks of its performance, and they are what a builder would look at to estimate how it stacks against other cards in the same price bracket, though price is not discussed here.

In the absence of a rival list, the "How It Compares" section must focus on what the hardware itself tells us. The card’s 200 W TDP and dual-slot design suggest it is positioned for single-GPU workstations that do not require massive power delivery. The 32 GB VRAM is a differentiator against cards with 16 GB or 24 GB, but those cards are not named. The PCIe 5.0 interface is current, and the DisplayPort 2.1b outputs are the latest standard. So the comparison is implicit: this card is built to a modern spec, and its numbers place it in the upper-mid range of the professional GPU spectrum.

Who Should Consider It

Based on the data, the RTX PRO 4500 is suited for professionals who need 32 GB of VRAM and a compute throughput of 50.53 TFLOPS FP32. At 4K resolution, the 32 GB frame buffer allows for high-resolution textures and complex scenes without out-of-memory errors. The 896.0 GB/s bandwidth supports smooth viewport navigation and texture loading. For 8K work, the pixel rate of 269.6 GPixel/s may be limiting for outputting to 8K displays at high refresh rates, but for still rendering or video processing, the compute and memory are sufficient.

The 82 RT cores make this a viable option for ray-traced rendering in applications like architectural visualization or product design, where interactive ray tracing is beneficial. The 328 tensor cores add AI denoising and inference capabilities, which speed up rendering workflows. The FP16 1:1 ratio is particularly useful for AI training or inference that uses half-precision, as it does not sacrifice throughput.

The 200 W TDP and suggested 550 W PSU mean this card can be installed in standard workstations without requiring a high-end power supply or specialized cooling. The dual-slot design and 267 mm length (10.5 inches) fit most mid-tower cases. The 4x DisplayPort 2.1b outputs support multi-monitor setups up to four displays.

Professionals who should not consider this card are those who need extreme rasterization performance for gaming (this is a workstation card, not a gaming card, though the specs would handle many games) or those who need more than 32 GB of VRAM for massive datasets. Also, if a workload is heavily dependent on FP64 compute, this card does not list FP64 performance, so it is not optimized for that. The percentile of 50 indicates it is a middle-of-the-road performer in the overall GPU landscape, so it will not be the fastest for any single task, but it offers a balanced package.

Power and Cooling

The RTX PRO 4500 has a TDP of 200 W and requires a single 16-pin power connector. The suggested PSU wattage is 550 W, which is modest for a card with this level of compute performance. The dual-slot cooling design is standard, and the card’s dimensions are 267 mm in length, 111 mm in height, and 40 mm in width. The 40 mm width (1.6 inches) is typical for a dual-slot card, and the 267 mm length fits in most ATX cases without issue.

The 200 W TDP means that heat dissipation is manageable with a standard dual-slot cooler. There is no data on fan noise or thermal performance under load, but the power draw is low enough that even a reference cooler should keep temperatures within acceptable limits. The 16-pin connector is the modern standard, and the 550 W PSU recommendation gives enough headroom for a typical workstation CPU and peripherals. Builders should ensure their power supply has the native 16-pin cable or use an adapter, but the low wattage means most quality 550 W units will suffice. The PCIe 5.0 x16 interface also provides up to 75 W of power from the slot, so the total power draw is well within the connector’s capability.

FAQ

Q: What is the VRAM size and type on the RTX PRO 4500?

A: It has 32 GB of GDDR7 memory on a 256-bit bus, with a bandwidth of 896.0 GB/s.

Q: How many RT cores and tensor cores does this GPU have?

A: It has 82 RT cores and 328 tensor cores, based on the Blackwell 2.0 architecture.

Q: What is the TDP and what PSU is recommended?

A: The TDP is 200 W, and the suggested PSU wattage is 550 W. It uses a single 16-pin power connector.

Q: Does this card support modern APIs like Vulkan and DirectX 12?

A: Yes, it supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What display outputs are available?

A: It has 4x DisplayPort 2.1b outputs, supporting up to four monitors.

Q: What is the FP32 compute performance?

A: The FP32 performance is 50.53 TFLOPS, and the FP16 performance is also 50.53 TFLOPS (1:1 ratio).

Q: What is the physical size of the card?

A: It is 267 mm long (10.5 inches), 111 mm high (4.4 inches), and 40 mm wide (1.6 inches), taking a dual-slot design.