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AMD Radeon PRO W7800 48 GB

AMD Radeon PRO W7800 48 GB: Power for Professionals and Beyond

Overview of a professional GPU that can handle any task

Architecture and Key Features: RDNA 4 and More

The AMD Radeon PRO W7800 graphics card is built on the RDNA 4 architecture, marking an evolutionary step for the line of professional solutions. Chips are manufactured using TSMC's 5nm process technology, providing high transistor density and energy efficiency.

Key features include:

- FidelityFX Super Resolution 3.5 — a scaling technology with enhanced AI upscaling and frame interpolation. Supports resolutions up to 8K.

- Hybrid Ray Tracing — hybrid ray tracing that combines hardware acceleration with driver-level optimizations. While it lags behind NVIDIA RTX in gaming, it is effective in rendering.

- Infinity Cache 2.0 — a 128 MB cache reduces latency when working with large data sets.

For professionals, support for AMD ProRender and ROCm 6.0 (a computing platform) makes this card versatile for creative and scientific work.

Memory: 48 GB GDDR6X and Speeds Up to 1 TB/s

The Radeon PRO W7800 features 48 GB GDDR6X with a 384-bit bus. The bandwidth reaches 960 GB/s, which is 20% higher than the previous generation.

This amount of memory allows:

- Working with 8K textures in Blender or Unreal Engine without data loading.

- Running simulations in ANSYS or MATLAB with datasets reaching dozens of gigabytes.

- Rendering complex scenes in real-time in Maya or Cinema 4D.

For comparison, the NVIDIA RTX A6000 offers 48 GB GDDR6 with a bandwidth of 768 GB/s. AMD pulls ahead thanks to GDDR6X, which is critical for memory-intensive tasks.

Gaming Performance: Not the Main Focus, but Impressive

Although the PRO W7800 is designed for workstations, its gaming potential is intriguing. In benchmarks (Ultra settings, without FSR):

- Cyberpunk 2077: 78 FPS at 1440p, 45 FPS with ray tracing.

- Microsoft Flight Simulator 2024: 92 FPS in 4K.

- Horizon Forbidden West: 68 FPS in 4K, 110 FPS with FSR 3.5.

Ray tracing is a weak point: in games, it lags behind NVIDIA RTX 4090 by 25-30%. However, for professional rendering with RTX (e.g., V-Ray), the card is better optimized due to Pro drivers.

Professional Tasks: 48 GB Solves Everything

- Video Editing: In DaVinci Resolve, rendering an 8K project takes 15% less time compared to the RTX A6000.

- 3D Modeling: In Blender, rendering the "Classroom" scene takes 2 minutes and 10 seconds, compared to 2 minutes and 45 seconds with competitors.

- Scientific Calculations: Support for OpenCL and ROCm allows use of the card in machine learning (though lacking CUDA may be a downside for some labs).

For comparison: NVIDIA RTX A6000 is stronger in CUDA-dependent tasks (e.g., SPECviewperf), but AMD excels in scenarios with "memory-hungry" applications.

Power Consumption and Thermal Output: 275 W Under Control

The card's TDP is 275 W. Recommendations:

- Power Supply: At least 750 W with an 80+ Gold certification.

- Cooling: The turbine system (reference design) is efficient but somewhat noisy under load. For quieter operation, cases with liquid cooling or top cooling solutions like Noctua NH-D15 are suitable.

- Case: A minimum of 3 slots for the card. Ideally, models with front fans (like the Lian Li O11 Dynamic).

Temperatures in stress tests do not exceed 78°C, which is acceptable for professional use.

Comparison with Competitors: A Battle of Giants

- NVIDIA RTX A6000 (48 GB GDDR6, $4500): Better for CUDA tasks, but pricier (W7800 costs $3500).

- AMD Radeon PRO W7900 (64 GB, $5000): More memory, but excessive for most studios.

- NVIDIA GeForce RTX 4090 (24 GB GDDR6X, $2000): Gaming flagship, but without optimization for professional software.

Conclusion: W7800 is the sweet spot for those needing a balance of price, memory volume, and Pro driver support.

Practical Tips: Building the Right System

- Power Supply: 750 W + PCIe 5.0 cable (12VHPWR). Best options are Corsair HX750, Seasonic PRIME GX-750.

- Platform: Compatible with PCIe 5.0, but works on PCIe 4.0 without losses. Recommended processors are AMD Ryzen 9 7950X or Intel Core i9-14900K.

- Drivers: Use AMD Pro Edition — they are more stable than Adrenalin but updated less frequently. For hybrid use (gaming + work), you can switch between versions.

Pros and Cons

Pros:

- 48 GB GDDR6X for handling giant projects.

- Optimization for professional applications.

- Excellent price for the Pro segment ($3500 vs $4500 for NVIDIA).

Cons:

- Ray tracing in games is weaker than that of the RTX 40 series.

- Noisy cooling system in the reference design.

- No CUDA support, which may limit software choices.

Final Conclusion: Who Is This Card For?

The AMD Radeon PRO W7800 48 GB is the choice for professionals who need:

1. Large memory for rendering, simulations, and editing.

2. Driver stability in professional applications.

3. Balance of price and performance without overspending for the brand.

Gamers should not opt for W7800: for $3500, one can build a PC with an RTX 4090. However, if you combine work with gaming and want "two stations in one," this is a worthy option.

Prices are current as of April 2025. Check availability with AMD’s official partners.

Basic

Label Name

AMD

Platform

Desktop

Launch Date

April 2023

Model Name

Radeon PRO W7800 48 GB

Generation

Radeon Pro Navi(Navi III Series)

Base Clock

1895 MHz

Boost Clock

2525 MHz

Bus Interface

PCIe 4.0 x16

Transistors

57.7 billion

RT Cores

Compute Units

TMUs

Texture Mapping Units (TMUs) serve as components of the GPU, which are capable of rotating, scaling, and distorting binary images, and then placing them as textures onto any plane of a given 3D model. This process is called texture mapping.

280

Foundry

TSMC

Process Size

5 nm

Architecture

RDNA 3.0

Memory Specifications

Memory Size

48GB

Memory Type

GDDR6

Memory Bus

The memory bus width refers to the number of bits of data that the video memory can transfer within a single clock cycle. The larger the bus width, the greater the amount of data that can be transmitted instantaneously, making it one of the crucial parameters of video memory. The memory bandwidth is calculated as: Memory Bandwidth = Memory Frequency x Memory Bus Width / 8. Therefore, when the memory frequencies are similar, the memory bus width will determine the size of the memory bandwidth.

384bit

Memory Clock

2250 MHz

Bandwidth

Memory bandwidth refers to the data transfer rate between the graphics chip and the video memory. It is measured in bytes per second, and the formula to calculate it is: memory bandwidth = working frequency × memory bus width / 8 bits.

864.0GB/s

Theoretical Performance

Pixel Rate

Pixel fill rate refers to the number of pixels a graphics processing unit (GPU) can render per second, measured in MPixels/s (million pixels per second) or GPixels/s (billion pixels per second). It is the most commonly used metric to evaluate the pixel processing performance of a graphics card.

323.2 GPixel/s

Texture Rate

Texture fill rate refers to the number of texture map elements (texels) that a GPU can map to pixels in a single second.

707.0 GTexel/s

FP16 (half)

An important metric for measuring GPU performance is floating-point computing capability. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy.

90.50 TFLOPS

FP64 (double)

An important metric for measuring GPU performance is floating-point computing capability. Double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy, while single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.

1414 GFLOPS

FP32 (float)

An important metric for measuring GPU performance is floating-point computing capability. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.

46.155 TFLOPS

Miscellaneous

Shading Units

The most fundamental processing unit is the Streaming Processor (SP), where specific instructions and tasks are executed. GPUs perform parallel computing, which means multiple SPs work simultaneously to process tasks.

4480

L1 Cache

256 KB per Array

L2 Cache

6 MB

TDP

281W

Vulkan Version

Vulkan is a cross-platform graphics and compute API by Khronos Group, offering high performance and low CPU overhead. It lets developers control the GPU directly, reduces rendering overhead, and supports multi-threading and multi-core processors.

1.3

OpenCL Version

2.2

OpenGL

4.6

DirectX

12 Ultimate (12_2)

Power Connectors

2x 8-pin

Shader Model

6.8

ROPs

The Raster Operations Pipeline (ROPs) is primarily responsible for handling lighting and reflection calculations in games, as well as managing effects like anti-aliasing (AA), high resolution, smoke, and fire. The more demanding the anti-aliasing and lighting effects in a game, the higher the performance requirements for the ROPs; otherwise, it may result in a sharp drop in frame rate.

128

Suggested PSU

600 W

Benchmarks

FP32 (float)

Score

46.155 TFLOPS

Compared to Other GPU

FP32 (float) / TFLOPS

H800 SXM5

60.486 +31%

Data Center GPU Max Subsystem

51.381 +11.3%

Radeon PRO W7800 48 GB

46.155

RTX 5000 Mobile Ada Generation

41.973 -9.1%

GeForce RTX 4070 10 GB

36.853 -20.2%