RADEON

AMD Radeon HD 6430M

AMD graphics card specifications and benchmark scores

1 GB
VRAM
MHz Boost
TDP
64
Bus Width

AMD Radeon HD 6430M Specifications

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Radeon HD 6430M GPU Core

Shader units and compute resources

The AMD Radeon HD 6430M 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.

Shading Units
160
Shaders
160
TMUs
8
ROPs
4
Compute Units
2
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HD 6430M Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon HD 6430M'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 Radeon HD 6430M by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
480 MHz
Memory Clock
800 MHz 1600 Mbps effective
GDDR GDDR 6X 6X

AMD's Radeon HD 6430M Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 6430M'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.

Memory Size
1024 MB
VRAM
1,024 MB
Memory Type
DDR3
VRAM Type
DDR3
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
12.80 GB/s
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Radeon HD 6430M by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the HD 6430M, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.

L1 Cache
8 KB (per CU)
L2 Cache
128 KB
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HD 6430M Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 6430M 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.

FP32 (Float)
153.6 GFLOPS
Pixel Rate
1.920 GPixel/s
Texture Rate
3.840 GTexel/s
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TeraScale 2 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 6430M is built on AMD's TeraScale 2 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 HD 6430M will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale 2
GPU Name
Seymour
Process Node
40 nm
Foundry
TSMC
Transistors
370 million
Die Size
67 mm²
Density
5.5M / mm²
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AMD's Radeon HD 6430M Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon HD 6430M 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 Radeon HD 6430M to maintain boost clocks without throttling.

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Radeon HD 6430M by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 6430M 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.

Bus Interface
PCIe 2.0 x16
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon HD 6430M. 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.

DirectX
11.2 (11_0)
DirectX
11.2 (11_0)
OpenGL
4.4
OpenGL
4.4
OpenCL
1.2
Shader Model
5.0
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Radeon HD 6430M Product Information

Release and pricing details

The AMD Radeon HD 6430M is manufactured by AMD 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 Radeon HD 6430M by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
AMD
Release Date
Jan 2011
Production
End-of-life
Predecessor
Manhattan
Successor
London

Radeon HD 6430M Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon HD 6430M

The AMD Radeon HD 6430M, based on the TeraScale 2 architecture, offers basic support for OpenCL (Open Computing Language) for general-purpose GPU computing. While this mobile GPU from AMD does not support NVIDIA's proprietary CUDA technology, its OpenCL capabilities enable it to accelerate certain computational tasks. However, due to its design as an entry-level solution with DDR3 memory, the performance gains in OpenCL-accelerated applications are modest compared to more powerful discrete or modern integrated graphics. The 6430M can handle lightweight parallel processing, but it is not suited for demanding scientific computing or complex simulations that benefit significantly from GPU acceleration.

When it comes to video editing, the Radeon HD 6430M provides a very limited experience, primarily suitable for basic editing tasks. Video editing software that leverages GPU acceleration for effects rendering or timeline playback will see minimal benefit from this graphics card. The 1 GB of DDR3 VRAM and the architectural limitations of this AMD mobile GPU can become a bottleneck when working with high-resolution footage or multiple video layers. For casual users performing simple cuts and exports, it is functional, but professional or frequent editors would find its performance inadequate.

Driver support for the AMD Radeon HD 6430M is now considered legacy, as AMD has ended regular feature updates for this series of graphics products. Users can typically find stable, final WHQL-certified drivers that ensure basic functionality and compatibility with older operating systems like Windows 7 and Windows 8.1. While these legacy drivers provide stability for standard desktop use and video playback, they lack optimizations for newer games or applications. It is advisable for users of this AMD graphics card to stick with the last officially supported driver version to avoid potential instability.

Multi-GPU configurations, such as AMD's former CrossFire technology, are not a consideration for the Radeon HD 6430M as it was not designed with multi-GPU capabilities. This graphics processor operates strictly as a single-GPU solution, and attempting to pair it with another GPU would not yield any performance improvement. The architecture of this particular AMD mobile GPU is focused on providing a solitary, cost-effective graphics solution for entry-level laptops. For users seeking enhanced graphics performance, the only path would be to upgrade to a system with a more capable single graphics card, as multi-GPU is not an option with this hardware.

The NVIDIA Equivalent of Radeon HD 6430M

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 2080 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce RTX 2080

NVIDIA • 8 GB VRAM

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