G72 vs Radeon HD 6645G2
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Terascale 2 (2009−2015) | Curie (2003−2013) |
| GPU code name | no data | G72 |
| Market segment | Laptop | Desktop |
| Release date | 14 June 2011 (13 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 | 560 | no data |
| Number of transistors | no data | 112 million |
| Manufacturing process technology | 40 nm | 90 nm |
| ROPs | no data | 4 |
| TMUs | no data | 8 |
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 | medium sized | 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.
| Shared memory | - | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| PureVideo HD | no data | VP1 |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 9.0c (9_3) |
| Shader Model | no data | 3.0 |
| OpenGL | no data | 2.1 |
| OpenCL | no data | N/A |
| Vulkan | - | N/A |
Pros & cons summary
| Chip lithography | 40 nm | 90 nm |
HD 6645G2 has a 125% more advanced lithography process.
We couldn't decide between Radeon HD 6645G2 and G72. We've got no test results to judge.
Be aware that Radeon HD 6645G2 is a notebook card while G72 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.
