Radeon HD 6450A vs ATI X1950 XT
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 1260 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 1.91 |
| Architecture | R500 (2005−2007) | TeraScale 2 (2009−2015) |
| GPU code name | R580+ | Caicos |
| Market segment | Desktop | Laptop |
| Release date | 17 October 2006 (19 years ago) | 7 April 2011 (15 years ago) |
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 | no data | 160 |
| Core clock speed | 625 MHz | 625 MHz |
| Number of transistors | 384 million | 370 million |
| Manufacturing process technology | 90 nm | 40 nm |
| Power consumption (TDP) | 96 Watt | 25 Watt |
| Texture fill rate | 10.00 | 5.000 |
| Floating-point processing power | no data | 0.2 TFLOPS |
| ROPs | 16 | 4 |
| TMUs | 16 | 8 |
| L1 Cache | no data | 16 KB |
| L2 Cache | no data | 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).
| Interface | PCIe 1.0 x16 | MXM-A (3.0) |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | no data |
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 | GDDR3 | DDR3 |
| Maximum RAM amount | 256 MB | 512 MB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 900 MHz | 533 MHz |
| Memory bandwidth | 57.6 GB/s | 8.528 GB/s |
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 | 2x DVI, 1x S-Video | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 11.2 (11_0) |
| Shader Model | 3.0 | 5.0 |
| OpenGL | 2.0 | 4.4 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 17 October 2006 | 7 April 2011 |
| Maximum RAM amount | 256 MB | 512 MB |
| Chip lithography | 90 nm | 40 nm |
| Power consumption (TDP) | 96 Watt | 25 Watt |
HD 6450A has an age advantage of 4 years, a 100% higher maximum VRAM amount, a 125% more advanced lithography process, and 284% lower power consumption.
We couldn't decide between Radeon X1950 XT and Radeon HD 6450A. We've got no test results to judge.
Be aware that Radeon X1950 XT is a desktop graphics card while Radeon HD 6450A is a notebook one.
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