RADEON

AMD Radeon HD 6450

AMD graphics card specifications and benchmark scores

512 MB
VRAM
MHz Boost
18W
TDP
64
Bus Width

AMD Radeon HD 6450 Specifications

⚙️

Radeon HD 6450 GPU Core

Shader units and compute resources

The AMD Radeon HD 6450 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
⏱️

HD 6450 Clock Speeds

GPU and memory frequencies

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

GPU Clock
625 MHz
Memory Clock
500 MHz 1000 Mbps effective
GDDR GDDR 6X 6X

AMD's Radeon HD 6450 Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 6450'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
512 MB
VRAM
512 MB
Memory Type
GDDR3
VRAM Type
GDDR3
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
8.000 GB/s
💾

Radeon HD 6450 by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the HD 6450, 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
📈

HD 6450 Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 6450 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)
200.0 GFLOPS
Pixel Rate
2.500 GPixel/s
Texture Rate
5.000 GTexel/s
🏗️

TeraScale 2 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 6450 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 6450 will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale 2
GPU Name
Caicos
Process Node
40 nm
Foundry
TSMC
Transistors
370 million
Die Size
67 mm²
Density
5.5M / mm²
🔌

AMD's Radeon HD 6450 Power & Thermal

TDP and power requirements

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

TDP
18 W
TDP
18W
Power Connectors
None
Suggested PSU
200 W
📐

Radeon HD 6450 by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 6450 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.

Slot Width
Single-slot
Length
168 mm 6.6 inches
Bus Interface
PCIe 2.0 x16
Display Outputs
1x DVI1x HDMI 1.3a1x VGA
Display Outputs
1x DVI1x HDMI 1.3a1x VGA
🎮

AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon HD 6450. 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
📦

Radeon HD 6450 Product Information

Release and pricing details

The AMD Radeon HD 6450 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 6450 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
Apr 2011
Launch Price
55 USD
Production
End-of-life
Predecessor
Evergreen
Successor
Southern Islands

Radeon HD 6450 Benchmark Scores

geekbench_openclSource

Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how AMD Radeon HD 6450 handles parallel computing tasks like video encoding and scientific simulations. OpenCL is widely supported across different GPU vendors and platforms.

geekbench_opencl #577 of 582
635
0%
Max: 380,114

About AMD Radeon HD 6450

The AMD Radeon HD 6450 by AMD delivers modest graphical performance with a Geekbench OpenCL score of 635 points, positioning it as an entry-level solution suitable for basic computing tasks and light multimedia use. With only 512 MB of GDDR3 VRAM and a 40 nm TeraScale 2 architecture, the AMD Radeon HD 6450 by AMD is not designed for modern gaming or GPU-intensive applications. However, its 18W TDP allows for passive cooling designs and fanless operation, making it ideal for quiet office environments and HTPC setups. Launched at a budget-friendly $55 USD, the AMD Radeon HD 6450 by AMD prioritizes energy efficiency and reliability over raw performance. Its PCIe 2.0 x16 interface ensures compatibility with a wide range of systems, even as newer standards have since emerged. While not future-proof, the AMD Radeon HD 6450 by AMD remains a viable option for users upgrading legacy systems without demanding graphical workloads. For office environments focused on cost-efficiency and stability, the AMD Radeon HD 6450 by AMD offers a proven balance of low power consumption and adequate performance for everyday display tasks. This card is best suited for:
  • Basic desktop multitasking across dual-monitor setups
  • Media playback and video conferencing without 4K demands
  • Legacy system upgrades where power and space are constrained
Given its age and architectural limitations, the AMD Radeon HD 6450 by AMD should not be considered for future-facing applications or DirectX 12 workloads. Still, its sustained market presence underscores its role as a dependable, low-cost graphics solution. Organizations seeking to extend the life of older hardware may find value in its plug-and-play reliability. Ultimately, the AMD Radeon HD 6450 by AMD serves a niche but practical role in budget-conscious, low-intensity computing environments.

The NVIDIA Equivalent of Radeon HD 6450

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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