Topaz vs GeForce Go 7800 GTX SLI
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 | G7x (2005−2006) | GCN 3.0 (2014−2019) |
| GPU code name | G70M | Topaz |
| Market segment | Laptop | Desktop |
| Release date | 29 September 2005 (19 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 | 64 | 384 |
| Core clock speed | 16 MHz | no data |
| Boost clock speed | 440 MHz | no data |
| Number of transistors | 604 Million | 1,550 million |
| Manufacturing process technology | 110 nm | 28 nm |
| Power consumption (TDP) | 130 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 | GDDR3 | no data |
| Maximum RAM amount | 512 MB | no data |
| Memory bus width | 256 Bit | no data |
| Memory clock speed | 550 MHz | no data |
| Shared memory | - | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | GDDR3 | 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
| Chip lithography | 110 nm | 28 nm |
Topaz has a 292.9% more advanced lithography process.
We couldn't decide between GeForce Go 7800 GTX SLI and Topaz. We've got no test results to judge.
Be aware that GeForce Go 7800 GTX SLI 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.
