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AMD Radeon RX 580X Mobile

AMD Radeon RX 580X Mobile: A Mobile GPU for Gamers and Professionals

April 2025

1. Architecture and Key Features

RDNA 3+ Architecture: Evolution for Mobile Systems

The AMD Radeon RX 580X Mobile is built on the optimized RDNA 3+ architecture tailored for laptops. This is an evolution of the RDNA 3 lineup focused on energy efficiency and compactness. The manufacturing process is 5 nm from TSMC, which has reduced heat generation while maintaining high performance.

Unique Features

- FidelityFX Super Resolution 3 (FSR 3): An upscaling technology that boosts FPS in games by up to 40-50% when activated (e.g., from 60 to 90 frames in Cyberpunk 2077).

- Hybrid Ray Tracing: Enhanced ray tracing blocks that place less load on the GPU thanks to optimization via FSR.

- Smart Access Memory (SAM): Full CPU access to VRAM for performance gains when paired with Ryzen 5/7 8000 series processors.

Support for DirectX 12 Ultimate and Vulkan 1.3 ensures compatibility with the latest graphical effects.

2. Memory: Speed and Efficiency

GDDR6 and a 256-bit Bus

The RX 580X Mobile features 8 GB of GDDR6 memory with a bandwidth of 448 GB/s (14 GHz frequency). The 256-bit bus guarantees stable performance at 1440p and partially at 4K.

Impact on Performance

The memory capacity is sufficient for modern games with Ultra textures (for example, Horizon Forbidden West consumes up to 6 GB). However, 4K gaming with Ray Tracing may experience loading issues — FSR 3 helps alleviate the memory load.

3. Gaming Performance

1080p and 1440p: Ideal Balance

- Cyberpunk 2077 (Ultra, FSR 3 Quality): 65-75 FPS at 1080p, 45-50 FPS at 1440p.

- Call of Duty: Modern Warfare V (Ultra): 90-100 FPS at 1080p, 70-80 FPS at 1440p.

- Starfield: Enhanced Edition (High): 55-60 FPS at 1440p.

4K: Only with FSR

In Forza Horizon 6 (Extreme), the card delivers 35-40 FPS at 4K, but with FSR 3 Performance mode — stable 60 FPS.

Ray Tracing: Moderate Capabilities

Ray tracing significantly reduces FPS (by 30-40%), so it's best combined with FSR. For instance, in Alan Wake 3 (Medium RT) — 40 FPS at 1080p, 30 FPS at 1440p.

4. Professional Tasks

Video Editing and 3D Rendering

- DaVinci Resolve: Rendering a 4K project takes 20% less time than with the RTX 4050 Mobile, thanks to optimization for OpenCL.

- Blender: BMW Benchmark rendering — 7.2 minutes (compared to 6.8 minutes with RTX 4050).

Scientific Calculations

Support for ROCm 5.0 allows the GPU to be used for machine learning, but NVIDIA's CUDA cores are still more effective. For basic tasks (data processing in Python), the card shows good speed.

5. Power Consumption and Thermal Output

TDP 130 W: Cooling Requirements

The RX 580X Mobile requires an advanced cooling system in laptops: at least two fans and heat pipes with high-conductivity paste.

Recommendations

- Choose laptop models with aluminum casings for better heat dissipation (e.g., ASUS ROG Zephyrus G16 or Lenovo Legion Pro 7).

- Use cooling pads during extended gaming sessions.

6. Comparison with Competitors

NVIDIA RTX 4050 Mobile

- Pros of NVIDIA: Better ray tracing performance (+15-20%), DLSS 3.5.

- Cons: Priced $100-150 higher (average price of RTX 4050 — $600).

Intel Arc A770M

- Cheaper ($450), but drivers are less stable. In DX12 games (e.g., Apex Legends), the RX 580X Mobile is 10-15% faster.

Conclusion: RX 580X Mobile offers the best price/performance ratio in the $400-500 segment.

7. Practical Tips

Power Supply

The laptop should have a power supply of at least 180 W. For models with Ryzen 9 processors — 230 W.

Compatibility

- PCIe 4.0 x8 support is mandatory.

- For connecting external monitors, use USB4 with DisplayPort 2.1.

Drivers

- Regularly update Adrenalin Edition 2025: May patches optimize FSR 3 performance in Hellblade 3.

8. Pros and Cons

Pros:

- Excellent price for 1440p gaming.

- Support for FSR 3 and SAM.

- Energy efficiency on par with top mobile GPUs.

Cons:

- Limited ray tracing capabilities.

- No hardware support for AI cores (unlike NVIDIA Tensor Core).

9. Final Verdict

Who is the RX 580X Mobile for?

- Gamers: For comfortable gameplay at 1080p/1440p with high settings.

- Creative Professionals: Video editing and 3D modeling without the premium brand price.

- Students and Office Users: Versatility and long lifespan.

Why this one?

At $450-500, it is the best choice in the mid-range, especially if you value AMD technology and are not willing to pay a premium for NVIDIA.

Basic

Label Name

AMD

Platform

Mobile

Launch Date

April 2018

Model Name

Radeon RX 580X Mobile

Generation

Mobility Radeon

Base Clock

1000MHz

Boost Clock

1077MHz

Bus Interface

MXM-B (3.0)

Transistors

5,700 million

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.

144

Foundry

GlobalFoundries

Process Size

14 nm

Architecture

GCN 4.0

Memory Specifications

Memory Size

8GB

Memory Type

GDDR5

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.

256bit

Memory Clock

2000MHz

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.

256.0 GB/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.

34.46 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.

155.1 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.

4.963 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.

310.2 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.

5.062 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.

2304

L1 Cache

16 KB (per CU)

L2 Cache

2MB

TDP

100W

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.

1.2

OpenCL Version

2.1

OpenGL

4.6

DirectX

12 (12_0)

Power Connectors

None

Shader Model

6.4

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.

Benchmarks

FP32 (float)

Score

5.062 TFLOPS

Compared to Other GPU

FP32 (float) / TFLOPS

Arc A570M

5.218 +3.1%

Tesla K40t

5.147 +1.7%

Radeon RX 580X Mobile

5.062

GeForce GTX 1660 SUPER

4.926 -2.7%

Radeon RX 570 Mobile

4.841 -4.4%