Radeon HD 6450 vs RTX PRO 2000 Blackwell
Aggregate performance score
We've compared RTX PRO 2000 Blackwell with Radeon HD 6450, including specs and performance data.
RTX PRO 2000 Blackwell outperforms HD 6450 by a whopping 10406% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 73 | 1308 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 54.32 | 2.01 |
| Architecture | Blackwell 2.0 (2025−2026) | TeraScale 2 (2009−2015) |
| GPU code name | GB206 | Caicos |
| Market segment | Workstation | Desktop |
| Design | no data | reference |
| Release date | 11 August 2025 (less than a year ago) | 7 April 2011 (14 years ago) |
| Launch price (MSRP) | no data | $55 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 4352 | 160 |
| Core clock speed | 982 MHz | no data |
| Boost clock speed | 1957 MHz | 750 MHz |
| Number of transistors | 21,900 million | 370 million |
| Manufacturing process technology | 5 nm | 40 nm |
| Power consumption (TDP) | 70 Watt | 30 Watt |
| Texture fill rate | 266.2 | 5.000 |
| Floating-point processing power | 17.03 TFLOPS | 0.2 TFLOPS |
| ROPs | 64 | 4 |
| TMUs | 136 | 8 |
| Tensor Cores | 136 | no data |
| Ray Tracing Cores | 34 | no data |
| L1 Cache | 4.3 MB | 16 KB |
| L2 Cache | 32 MB | 128 KB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | no data | PCIe 2.0 x8 |
| Interface | PCIe 5.0 x8 | PCIe 2.0 x16 |
| Length | 167 mm | 168 mm |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | None | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR7 | GDDR5 |
| Maximum RAM amount | 16 GB | 1 GB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 1125 MHz | 800 MHz |
| Memory bandwidth | 288.0 GB/s | 25.6 GB/s |
| Memory bandwidth | no data | 8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5) |
| Resizable BAR | + | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 4x mini-DisplayPort 2.1b | 1x DVI, 1x HDMI, 1x VGA |
| Eyefinity | - | + |
| Number of Eyefinity displays | no data | 4 |
| HDMI | - | + |
| DisplayPort support | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | DirectX® 11 |
| Shader Model | 6.8 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.4 | - |
| CUDA | 12.0 | - |
| DLSS | + | - |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 49.38 | 0.47 |
| Recency | 11 August 2025 | 7 April 2011 |
| Maximum RAM amount | 16 GB | 1 GB |
| Chip lithography | 5 nm | 40 nm |
| Power consumption (TDP) | 70 Watt | 30 Watt |
RTX PRO 2000 Blackwell has a 10406% higher aggregate performance score, an age advantage of 14 years, a 1500% higher maximum VRAM amount, and a 700% more advanced lithography process.
HD 6450, on the other hand, has 133% lower power consumption.
The RTX PRO 2000 Blackwell is our recommended choice as it beats the Radeon HD 6450 in performance tests.
Be aware that RTX PRO 2000 Blackwell is a workstation graphics card while Radeon HD 6450 is a desktop one.
Other comparisons
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