Radeon HD 6620G + HD 7450M Dual Graphics vs GeForce GTX 680M SLI
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 323 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Kepler (2012−2018) | Terascale 2 (2009−2015) |
| GPU code name | N13E-GTX | no data |
| Market segment | Laptop | Laptop |
| Release date | 4 June 2012 (12 years ago) | 8 February 2012 (12 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 | 2688 | 560 |
| Core clock speed | 720 MHz | 400 / 700 MHz |
| Manufacturing process technology | 28 nm | 40 nm |
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 |
| SLI options | + | - |
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 |
| Maximum RAM amount | 2x 4 GB | no data |
| Memory bus width | 2x 256 Bit | no data |
| Memory clock speed | 3600 MHz | 1800 MHz |
| Shared memory | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Optimus | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 11 |
| CUDA | + | - |
Pros & cons summary
| Recency | 4 June 2012 | 8 February 2012 |
| Chip lithography | 28 nm | 40 nm |
GTX 680M SLI has an age advantage of 3 months, and a 42.9% more advanced lithography process.
We couldn't decide between GeForce GTX 680M SLI and Radeon HD 6620G + HD 7450M Dual Graphics. 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.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
