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Intel "Crescent Island" GPU Die Shows Up: 32 Xe3P Cores and 256 XMX Engines

What happened

Intel recently announced its D-series "Crescent Island" inference graphics cards, based on the Xe3P GPU microarchitecture, with the D270 being the highest-end SKU. The company's website has added a GPU bare die shot, revealing that the card is not the massive chip one might expect, but rather something seemingly smaller. The D270 GPU SKU features 32 Xe3P cores, 256 XMX engines, and 32 MB of unified L2 cache; the XMX engines have been redesigned from the four-deep systolic design of the regular Xe3 to 16-deep processing on the Xe3P. The card is intended for AI inferencing rather than training, is rated for up to 480 GB of LPDDR5X, supports the FP4 data format alongside FP8, and has large register files of 1 MB per core and an L1 cache of 512 KB per core. In total there are 256 Vector engines and 256 of the new XMX engines, each divided into groups of eight per Xe3P core. Furthermore, the Xe3P lacks graphics processing elements for outputting imagery, as the silicon is designed purely for AI inference workloads that require long context and agentic tasks; a media engine with four encoders and four decoders is also included, which could assist with multimodal workloads where video generation and understanding are essential.