Intel confirmed two Arc Alchemist processors this week: the ACM-G10 and ACM-G11, which are new (and superfluous) designations for the DG2 GPU line. In reality, Intel Arc Alchemist GPUs are currently known by a variety of names, including DG2-G10, SOC1, and DG2-512.
Intel uses the former, which looks to be a mix of private and public GPU names, in their Linux software development.
Intel may still be working on a third SKU, the DG2 256, according to a rumor from mid-March. In a patch issued on the same day Arc Alchemist was introduced for laptops, such a term surfaced in Intel Graphics Compiler for OpenCL and Ubuntu operating system. Surprisingly, only two A-Series GPUs were demonstrated on that day, implying either that there is no third GPU or that the mobile series uses only those.
intel working on more models of ARC Alchemist GPUs
Intel is still working on a third model known as DG2 256 or ACM-G12, which might indicate either a desktop GPU (the specs have yet to be validated by Intel) or a workstation CPU due in the third quarter.
Both the DG2-256 and ACM-G12 code names are mentioned in the IGC entries. The former essentially verifies that it’s a GPU with 256 Execution Units (also known as Xe Vector Engines). This translates to 8 Xe-Cores and 2048 FP32 cores, which is exactly half of the ACM-G10 GPU.
The memory bus specifications are yet unknown; the GPU could have 128-bit or 192-bit wide controllers. It’s unclear why Intel left this GPU out of their Arc A-Series GPU presentation, although this part may be released later. SOC3’s public software development has begun only a few weeks ago.
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