AMD Radeon HD 6450
AMD graphics card specifications and benchmark scores
At a Glance
AMDAMD 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Top 5 Performers
Top 5 PerformersNearby Performers
Nearby PerformersAbout AMD Radeon HD 6450
AMD Radeon HD 6450 is an end-of-life graphics card from AMD, built around the Caicos chip on the TeraScale 2 architecture. It belongs to the Northern Islands (HD 6400) generation and uses TSMC's 40 nm process with 370 million transistors on a 67 mm² die, for a transistor density of 5.5M / mm². The card carries 512 MB of GDDR3 memory on a 64-bit bus and records an OpenCL score of 635, placing it at the 2nd percentile among all GPUs. Historically, it sits between the Evergreen and Southern Islands product lines.
Memory Subsystem — VRAM size/type, bus width, bandwidth and what it means for high resolutions
The memory subsystem is modest: 512 MB GDDR3, a 64-bit bus width, and 8.000 GB/s of bandwidth. The memory clock is 500 MHz, with an effective data rate of 1000 Mbps. These figures have direct implications for high-resolution workloads. A 512 MB frame buffer is easy to saturate as resolution and asset complexity rise, and an 8.000 GB/s bus will limit how quickly pixel and texture data can be moved through the rendering pipeline.
The pixel rate is 2.500 GPixel/s, and the texture rate is 5.000 GTexel/s. Both are low enough to suggest that the card will struggle once higher-resolution output demands more fill work. The 4 ROPs and 8 TMUs create a small back end for the 160 shading units, and the 64-bit memory path further tightens that bottleneck. In practice, the data points to a memory subsystem sized for low-resolution or undemanding scenarios, not for pushing large frame buffers at high detail settings.
Ray Tracing and Feature Set — RT/tensor cores, API support from facts
The HD 6450 does not list ray tracing cores or tensor cores. Compute is handled by 160 shading units, 8 texture mapping units, and 4 ROPs. The FP32 throughput is 200.0 GFLOPS, which is consistent with a low-end TeraScale 2 implementation.
On the API side, the card supports DirectX 11.2 at the 11_0 feature level and OpenGL 4.4. Vulkan is not listed in the data. There is no reported Vulkan path and no dedicated ray tracing or tensor acceleration. The feature set is therefore tied to an earlier DirectX 11-era design. Display connectivity includes 1 DVI, 1 HDMI 1.3a, and 1 VGA, so it can drive older analog displays as well as digital outputs.
Benchmark Performance — analyze scores vs rivals with exact % deltas
The only benchmark result in the data is Geekbench OpenCL, where the HD 6450 scores 635. The average benchmark score is also 635, since a single result is recorded. That score corresponds to a percentile ranking of 2 among all GPUs. This means the HD 6450 sits near the bottom of the database distribution.
Against its nearest rivals, the HD 6450 is 11.6% ahead of the AMD Radeon HD 6770M, which scores 569. It is also 18.6% ahead of the AMD Radeon HD 6870, which scores 536 in this dataset. On the other side, the HD 6450 trails the AMD Radeon HD 6470M by 13.1%, with the rival scoring 731. It trails the NVIDIA GeForce GT 415M by 15.4%, with the rival scoring 751.
These deltas place the HD 6450 between four close competitors: faster than the HD 6770M and HD 6870, slower than the HD 6470M and GT 415M. The 18.6% advantage over the HD 6870 is the largest positive delta among the rivals, while the 15.4% disadvantage against the GT 415M is the largest negative delta. The overall data profile is consistent with a very low-end compute device: the OpenCL score is 635, and the percentile rank is 2.
Power and Cooling — TDP, PSU recommendation, connector requirements
Power demands are very low. The card has a TDP of 18 W and uses no power connectors. The suggested PSU rating is 200 W. It is a single-slot card with a length of 168 mm, or 6.6 inches, and it connects through a PCIe 2.0 x16 interface.
Because there are no external power connectors, installation does not require additional PCIe power cabling. The 18 W TDP and 200 W suggested PSU are closely matched to the modest performance envelope. The slot width is single-slot, and the stated length of 6.6 inches is relatively compact. The data indicates a low-power, low-thermal card that should fit easily into a system with a modest power supply.
How It Compares — position vs each nearest rival, one short paragraph per rival
AMD Radeon HD 6770M: The HD 6450 is 11.6% faster than the HD 6770M in this benchmark. The HD 6770M's average score is 569, while the HD 6450 reaches 635. This is a moderate lead for the HD 6450 within the nearest-rival group.
AMD Radeon HD 6470M: The HD 6450 trails the HD 6470M by 13.1%. The HD 6470M posts an average score of 731, making it one of the two rivals ahead of the HD 6450 in this dataset.
AMD Radeon HD 6870: The HD 6450 is 18.6% ahead of the HD 6870, the largest positive delta of the four listed rivals. The HD 6870's average score is 536, which is below the HD 6450's 635 in OpenCL compute.
NVIDIA GeForce GT 415M: The HD 6450 is 15.4% behind the GT 415M. The GT 415M has the highest average score of the four nearest rivals at 751, placing the HD 6450 just below it in this comparison.
FAQ — 4-6 Q&A pairs, each answerable from FACT PACK data
Q: What memory configuration does the AMD Radeon HD 6450 use?
A: It uses 512 MB of GDDR3 memory on a 64-bit bus, with 8.000 GB/s bandwidth and a 500 MHz memory clock running at 1000 Mbps effective.
Q: Does the HD 6450 have dedicated ray tracing or tensor cores?
A: No. The data lists no RT cores and no tensor cores. Its processing resources are 160 shading units, 8 TMUs, and 4 ROPs.
Q: Which APIs are reported for the HD 6450?
A: DirectX 11.2 (11_0) and OpenGL 4.4 are listed. Vulkan is not present in the fact pack.
Q: What power connector does the card require?
A: None. The TDP is 18 W, and the suggested PSU is 200 W.
Q: What is the launch MSRP?
A: The launch MSRP is 55 USD.
Q: Is the HD 6450 still in production?
A: No. It is listed as end-of-life, with a release date of 2011-04-06.
Who Should Consider It — resolution/settings-based recommendations grounded in the scores
The HD 6450 is best suited to systems where the main job is display output rather than demanding 3D rendering. The 512 MB memory buffer, 64-bit bus, and 8.000 GB/s bandwidth all point to low-resolution, low-detail use. The pixel rate of 2.500 GPixel/s and texture rate of 5.000 GTexel/s reinforce that same ceiling. With an OpenCL score of 635 and a 2nd percentile ranking, it is not a card for high-resolution gaming or GPU compute-heavy workloads.
For a basic desktop or legacy system, the HD 6450's data profile has clear benefits: 18 W TDP, no power connectors, a 200 W suggested PSU, single-slot width, and a 6.6-inch length. The display outputs cover DVI, HDMI 1.3a, and VGA, making it flexible for older monitors. The benchmark data shows that the HD 6450 can outperform the HD 6770M and HD 6870 in this specific OpenCL test, but the absolute score of 635 and the 2nd percentile position indicate severe limits. High-resolution settings are not supported by the memory subsystem or the fill-rate numbers. This is a card for low-resolution, low-detail, or non-gaming use cases.
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.
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