Iris Xe Graphics 64EUs (Alder Lake) vs Radeon RX 6900
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 | RDNA 2.0 (2020−2023) | Gen. 11 Ice Lake (2019−2022) |
| GPU code name | Navi 21 | Alder Lake Xe |
| Market segment | Desktop | Laptop |
| Release date | 28 October 2020 (3 years ago) | 4 January 2022 (2 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 | 4608 | 64 |
| Boost clock speed | 2105 MHz | 1400 MHz |
| Number of transistors | 23,000 million | no data |
| Manufacturing process technology | 7 nm | 10 nm |
| Power consumption (TDP) | 255 Watt | no data |
| Texture fill rate | 606.2 | no data |
| Floating-point performance | 19.4 gflops | no data |
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).
| Interface | PCIe 4.0 x16 | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 8-pin | 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 | GDDR6 | no data |
| Maximum RAM amount | 16 GB | no data |
| Memory bus width | 256 Bit | no data |
| Memory clock speed | 16 GB/s | no data |
| Memory bandwidth | 512.0 GB/s | no data |
| Shared memory | - | + |
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 | 1x HDMI, 2x DisplayPort, 1x USB Type-C | no data |
| HDMI | + | - |
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 | 12 Ultimate (12_2) | DirectX 12_1 |
| Shader Model | 6.5 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 2.0 | no data |
| Vulkan | 1.2 | - |
Pros & cons summary
| Recency | 28 October 2020 | 4 January 2022 |
| Chip lithography | 7 nm | 10 nm |
RX 6900 has a 42.9% more advanced lithography process.
Iris Xe Graphics 64EUs (Alder Lake), on the other hand, has an age advantage of 1 year.
We couldn't decide between Radeon RX 6900 and Iris Xe Graphics 64EUs (Alder Lake). We've got no test results to judge.
Be aware that Radeon RX 6900 is a desktop card while Iris Xe Graphics 64EUs (Alder Lake) is a notebook 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.
