Topaz vs Radeon HD 8970M Crossfire
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 294 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 6.83 | no data |
| Architecture | GCN (2012−2015) | GCN 3.0 (2014−2019) |
| GPU code name | Neptune CF | Topaz |
| Market segment | Laptop | Desktop |
| Release date | 1 May 2012 (12 years ago) | no data |
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 | 2560 | 384 |
| Core clock speed | 850 MHz | no data |
| Boost clock speed | 900 MHz | no data |
| Number of transistors | no data | 1,550 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 200 Watt | no data |
| ROPs | no data | 8 |
| TMUs | no data | 24 |
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).
| Laptop size | large | 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 | GDDR5 | no data |
| Memory bus width | 2x 256 Bit | no data |
| Memory clock speed | 4800 MHz | no data |
| Shared memory | - | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 | 12 (12_0) |
| Shader Model | no data | 6.5 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | - | 1.2.170 |
Pros & cons summary
We couldn't decide between Radeon HD 8970M Crossfire and Topaz. We've got no test results to judge.
Be aware that Radeon HD 8970M Crossfire is a notebook card while Topaz is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
