Intel Sapphire Rapids: 60x Cores, 112.5 MB LLC, 96x UPI, 128x PCIe5/CXL, 512b DDR5
Recently, according to Intel’s high-resolution chip perspective in the ISSCC 2022, we can clearly see the structure of the Intel Sapphire Rapids processor. As a mature multi-core processor, Sapphire Rapids has a CPU core, integrated northbridge, memory and PCIe interface, and other related I/O parts. There are four XCC chips inside, and each uses five EMIB bridges.
In addition, each XCC chip has a PCIe 5.0/CXL 1.1 interfaces with a total of 32 lanes, which means that Sapphire Rapids will have 128 PCIe 5.0/CXL 1.1 lanes. In the Accelerator tile, the Intel Data-Streaming Accelerator (DSA), QuickAssist Technology (QAT), and DLBoost 2.0 are included, which are hardware involved in accelerating the construction and training of deep learning neural networks. There is also a module with 24 UPIs for interconnection between sockets.