RADEON

AMD Radeon HD 6450M

AMD graphics card specifications and benchmark scores

1 GB
VRAM
MHz Boost
TDP
64
Bus Width

AMD Radeon HD 6450M Specifications

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Radeon HD 6450M GPU Core

Shader units and compute resources

The AMD Radeon HD 6450M 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 6450M Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon HD 6450M'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 6450M by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

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

AMD's Radeon HD 6450M Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 6450M'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 6450M by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the HD 6450M, 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 6450M Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 6450M 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)
192.0 GFLOPS
Pixel Rate
2.400 GPixel/s
Texture Rate
4.800 GTexel/s
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TeraScale 2 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 6450M 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 6450M 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 6450M Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon HD 6450M 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 6450M to maintain boost clocks without throttling.

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Radeon HD 6450M by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 6450M 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 6450M. 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 6450M Product Information

Release and pricing details

The AMD Radeon HD 6450M 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 6450M 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 6450M Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon HD 6450M

The AMD Radeon HD 6450M, a mid-range mobile GPU launched in early 2011, leveraged AMD's TeraScale 2 architecture and a 40nm manufacturing process to deliver modest gaming performance for its era. Equipped with 1GB of DDR3 memory over a PCIe 2.0 x16 interface, this Radeon HD 6450M struggled with modern titles at higher resolutions but managed playable frame rates in older or less demanding games like *StarCraft II* or *Minecraft* at 720p. Its thermal design prioritized efficiency, often found in budget laptops, though sustained workloads occasionally exposed limitations in both clock speeds and memory bandwidth. While lacking support for DirectX 11.1 and advanced rendering features like tessellation, the card still provided basic capabilities for casual gaming and multimedia tasks during its time. The absence of benchmark data today complicates direct comparisons, but historical context suggests it aligned closely with NVIDIA's GeForce GT 540M in performance tiers. As an entry-level solution, the AMD Radeon HD 6450M catered to users prioritizing affordability over cutting-edge graphical fidelity, reflecting the constraints of its aging architecture and limited VRAM capacity. Despite its age, revisiting this GPU highlights the rapid evolution of graphics technology, where even mainstream cards from 2011 now falter under modern gaming demands.

Examining the Radeon HD 6450M's 1GB DDR3 memory configuration reveals a critical bottleneck, especially as newer games began requiring higher VRAM and bandwidth by the mid-2010s. While its power efficiency suited thin-and-light notebooks, the card's performance scaling suffered compared to discrete GPUs with GDDR5 memory or wider buses. Titles like *Battlefield 3* or *The Witcher 2* ran at medium settings below 1080p, but texture quality and shadow detail had to be dialed back to maintain smoothness. The TeraScale 2 architecture, though robust for its time, lacked the compute units and API support necessary for emerging technologies like ray tracing or Vulkan optimizations. Thermal performance remained a strength, with laptops housing the AMD Radeon HD 6450M rarely exceeding 70°C under load a testament to its conservative clock speeds and power gating. For its era, the card represented a pragmatic balance between cost, power, and performance, though longevity suffered as software demands surged past its 2011 capabilities. Today, the Radeon HD 6450M serves as a case study in the trade-offs of mobile graphics design, where hardware limitations often dictated user experiences more than theoretical specifications.

The NVIDIA Equivalent of Radeon HD 6450M

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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