Tiger Lake-U Xe Graphics G4 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) | Gen. 11 Ice Lake (2019−2022) |
| GPU code name | no data | Tiger Lake Xe |
| Market segment | Laptop | Laptop |
| Release date | 14 June 2011 (13 years ago) | 15 August 2020 (3 years ago) |
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 | 80 |
| Manufacturing process technology | 40 nm | 10 nm |
Form factor & compatibility
Information on Radeon HD 6645G2 and Tiger Lake-U Xe Graphics G4 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.
| 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.
| Memory type | no data | DDR4 |
| Shared memory | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | DirectX 12_1 |
Pros & cons summary
| Recency | 14 June 2011 | 15 August 2020 |
| Chip lithography | 40 nm | 10 nm |
We couldn't decide between Radeon HD 6645G2 and Tiger Lake-U Xe Graphics G4. 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.
