Radeon 660M vs Vega 6 Mobile
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 421 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 5.1 (2018−2021) | RDNA 2 (2020−2022) |
| GPU code name | Cezanne | RDNA 2 Rembrandt |
| Market segment | Laptop | Laptop |
| Release date | 13 April 2021 (3 years ago) | 4 January 2022 (2 years ago) |
| Current price | $696 | no data |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 384 | 384 |
| Core clock speed | 300 MHz | no data |
| Boost clock speed | 1600 MHz | 1900 MHz |
| Number of transistors | 9,800 million | 13,100 million |
| Manufacturing process technology | 7 nm | 6 nm |
| Power consumption (TDP) | 45 Watt | 45 Watt |
| Texture fill rate | 38.40 | 45.60 |
Form factor & compatibility
Information on Radeon Vega 6 Mobile and Radeon 660M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Interface | IGP | PCIe 4.0 x8 |
| Supplementary power connectors | no data | None |
| Memory type | System Shared | System Shared |
| Maximum RAM amount | System Shared | System Shared |
| Memory bus width | System Shared | System Shared |
| Memory clock speed | System Shared | System Shared |
| 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 outputs | No outputs |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (12_1) |
| Shader Model | 6.4 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2 |
Pros & cons summary
| Recency | 13 April 2021 | 4 January 2022 |
| Chip lithography | 7 nm | 6 nm |
We couldn't decide between Radeon Vega 6 Mobile and Radeon 660M. 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.
