ATI Radeon SDR PCI vs HD 6450 GDDR5
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1111 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.57 | no data |
| Architecture | Terascale 2 (2009−2015) | Rage 6 (2000−2007) |
| GPU code name | Caicos | Rage 6 |
| Market segment | Desktop | Desktop |
| Release date | 18 April 2011 (13 years ago) | 1 June 2000 (24 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 | 160 | no data |
| Core clock speed | 750 MHz | 166 MHz |
| Number of transistors | no data | 30 million |
| Manufacturing process technology | 40 nm | 180 nm |
| Power consumption (TDP) | 27 Watt | 23 Watt |
| Texture fill rate | no data | 1 |
| ROPs | no data | 2 |
| TMUs | no data | 6 |
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 | no data | PCI |
| Length | no data | 165 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | 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 | GDDR5 | SDR |
| Maximum RAM amount | 1 GB | 32 MB |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 900 MHz | 166 MHz |
| Memory bandwidth | no data | 2.656 GB/s |
| Shared memory | - | no data |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | no data | 1x VGA, 1x S-Video |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 7.0 |
| OpenGL | no data | 1.3 |
| OpenCL | no data | N/A |
| Vulkan | - | N/A |
Pros & cons summary
| Recency | 18 April 2011 | 1 June 2000 |
| Maximum RAM amount | 1 GB | 32 MB |
| Chip lithography | 40 nm | 180 nm |
| Power consumption (TDP) | 27 Watt | 23 Watt |
HD 6450 GDDR5 has an age advantage of 10 years, a 3100% higher maximum VRAM amount, and a 350% more advanced lithography process.
ATI SDR PCI, on the other hand, has 17.4% lower power consumption.
We couldn't decide between Radeon HD 6450 GDDR5 and Radeon SDR PCI. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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