Atari VCS 400 GPU vs Radeon HD 6645G2
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Terascale 2 (2009−2015) | GCN 5.0 (2017−2020) |
| GPU code name | no data | Banded Kestrel |
| Market segment | Laptop | Desktop |
| Release date | 14 June 2011 (12 years ago) | 14 December 2020 (3 years ago) |
| Launch price (MSRP) | no data | $249 |
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 | 560 | 192 |
| Boost clock speed | no data | 1201 MHz |
| Number of transistors | no data | 4,940 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Power consumption (TDP) | no data | 15 Watt |
| Texture fill rate | no data | 14.41 |
Form Factor & Compatibility
Information on Radeon HD 6645G2 and Atari VCS 400 GPU compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). 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.
| Laptop size | medium sized | no data |
| Interface | no data | IGP |
| Length | no data | 295 mm |
| Width | no data | IGP |
| Supplementary power connectors | no data | None |
| Memory type | no data | DDR4 |
| Maximum RAM amount | no data | 4 GB |
| Memory bus width | no data | 128 Bit |
| Memory clock speed | no data | 2.4 GB/s |
| Memory bandwidth | no data | 38.4 GB/s |
| 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 data | No outputs |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 12 (12_1) |
| Shader Model | no data | 6.4 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | no data | 1.2 |
Pros & Cons Summary
| Recency | 14 June 2011 | 14 December 2020 |
| Chip lithography | 40 nm | 14 nm |
We couldn't decide between Radeon HD 6645G2 and Atari VCS 400 GPU. We've got no test results to judge.
Be aware that Radeon HD 6645G2 is a notebook card while Atari VCS 400 GPU 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.
