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AMD Radeon RX Vega M GH

AMD Radeon RX Vega M GH: Hybrid Power for Compact Systems

Overview of Architecture, Performance, and Practical Aspects

Architecture and Key Features

Vega Architecture: A Balance of Compactness and Power

The AMD Radeon RX Vega M GH is built on a hybrid Vega architecture that combines CPU and GPU on a single chip. This approach, developed in partnership with Intel (the Kaby Lake-G project), utilizes a 14nm process for the CPU and 14nm FinFET for the GPU. In 2025, this technology seems outdated compared to 5nm chips, but the Vega M GH remains relevant due to its optimization for compact systems.

Unique Features: FidelityFX and Adaptive Technologies

The card supports the FidelityFX package, including FSR (FidelityFX Super Resolution) 2.2, which enhances image clarity in games with minimal loss of quality. There is no hardware ray tracing (RTX) here—that is reserved for RDNA 2/3. However, FSR compensates for the lack of power, allowing for 60 FPS at 1080p resolution, even in new titles.

Memory: HBM2 — Speed in Miniature

Type and Volume: 4 GB HBM2

The Vega M GH features 4 GB of HBM2 (High Bandwidth Memory 2) located in a single module with the GPU. This design reduces latency and saves space, which is critical for compact PCs and laptops. The bandwidth reaches 204.8 GB/s—twice as high as GDDR5 in alternatives at the GTX 1650 level.

Impact on Performance

HBM2 ensures smooth operation in games and professional applications, but the limited amount (4 GB) becomes a bottleneck at 4K or when using heavy textures. By 2025, many AAA titles require 6-8 GB of VRAM, making Vega M GH better suited for 1080p and 1440p at moderate settings.

Gaming Performance: What Do the Tests Show?

Average FPS in Popular Games (2025)

- Cyberpunk 2077: Phantom Liberty: 45-50 FPS (1080p, medium settings + FSR Quality).

- Starfield: 55-60 FPS (1080p, high settings).

- Call of Duty: Black Ops 6: 75-80 FPS (1080p, ultra).

- Fortnite: 100-110 FPS (1440p, medium settings + FSR Balanced).

Ray Tracing: Should You Enable It?

Hardware ray tracing is not supported, but in games with software emulation (like Minecraft RTX), FPS drops to 20-25. It is recommended to disable RT effects.

Professional Tasks: Not Just Gaming

Video Editing and 3D Modeling

Thanks to support for OpenCL 2.2 and Vulkan API, Vega M GH handles editing in DaVinci Resolve and Blender. Rendering a medium-complexity scene takes 15-20% longer than with NVIDIA GTX 1660 Ti, but performance is sufficient for basic tasks.

Scientific Calculations

The card falls short compared to specialized solutions like the NVIDIA A100 but is suitable for training small-scale neural networks and simulations in MATLAB.

Power Consumption and Heat Dissipation

TDP and Cooling Recommendations

The TDP of Vega M GH is 100W, necessitating quality cooling even in compact cases. Systems with passive or hybrid coolers, such as the Noctua NH-L9i, are ideal.

Case Recommendations

- Mini-PC: Silverstone ML09 (supports low-profile cards).

- Laptops: Models with enhanced ventilation (e.g., Dell XPS 15 2025).

Comparison with Competitors

AMD Radeon RX 6500 XT vs NVIDIA RTX 3050

- RX 6500 XT (6 GB GDDR6): 10-15% faster in games but more expensive ($230).

- RTX 3050 (8 GB GDDR6): Supports DLSS 3.5 and ray tracing, priced at $250.

- Vega M GH: Best choice for mini-PCs and budget laptops ($200).

Practical Tips

Power Supply and Compatibility

- Minimum PSU: 450W (e.g., Corsair CX450).

- Compatibility: Requires PCIe 3.0 x8. Supports Windows 11 and Linux (AMD Adrenalin 2025 drivers).

Driver Nuances

- Regularly update software through AMD Adrenalin: optimizations for FSR 2.2 and new games are released monthly.

- Avoid "raw" drivers—artifacts may appear in OpenCL applications.

Pros and Cons

Pros:

- Compact size and energy efficiency.

- High memory bandwidth.

- Competitive price ($200).

Cons:

- Only 4 GB VRAM.

- No hardware ray tracing.

- Limited support in new AAA games.

Final Conclusion: Who Is the Vega M GH For?

This graphics card is an ideal choice for:

1. Owners of compact PCs and mini-ITX builds, where size and heat are critical.

2. Gamers playing at 1080p: FSR 2.2 ensures smooth performance even in new titles.

3. Remote professionals: Suitable for video editing and medium-complexity 3D modeling.

If you're looking for a balance between price, size, and performance, the Vega M GH remains a viable option in 2025. However, for 4K and professional rendering tasks, it is worth considering the RTX 4060 or RX 7600.

Basic

Label Name

AMD

Platform

Mobile

Launch Date

February 2018

Model Name

Radeon RX Vega M GH

Generation

Vega

Base Clock

1063MHz

Boost Clock

1190MHz

Bus Interface

IGP

Transistors

5,000 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.

Foundry

GlobalFoundries

Process Size

14 nm

Architecture

GCN 4.0

Memory Specifications

Memory Size

4GB

Memory Type

HBM2

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.

1024bit

Memory Clock

800MHz

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.

204.8 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.

76.16 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.

114.2 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.

3.656 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.

228.5 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.

3.583 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.

1536

L1 Cache

16 KB (per CU)

L2 Cache

1024KB

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)

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

3.583 TFLOPS

Compared to Other GPU

FP32 (float) / TFLOPS

Quadro P2200

3.898 +8.8%

Quadro T2000 Mobile

3.729 +4.1%

Radeon RX Vega M GH

3.583

Jetson AGX Orin 32 GB

3.4 -5.1%

FirePro S10000 Passive 12GB

3.337 -6.9%