Intel approved the 4th generation Xeon processors, which are planned to come under the name Sapphire Rapids, late last year. It has waited quite a long time for the introduction of these chips, which are expected to have high bandwidth. Then, this week, he shared his new generation processors with everyone at the International Microelectronics Symposium organized by IMAPS.
The company has confirmed that the new Xeon processors will support HBM (high bandwidth) and DDR5 memory. Although Intel has previously said that the upcoming series will benefit from HBM with or without DDR5, we have not encountered a high-bandwidth chipset until this introduction.
Intel can make a difference with Sapphire Rapids Xeon processors
In the promotion, some features of Sapphire Rapids processors were shared. It was stated that each of the chips will use 2 1024-bit interfaces and 2 will have HBM memory. The HBM2E version of JEDEC was at the top with a data transfer rate of 3.2 GT. However, last year, SK Hynix produced 16 GB 1024 models that could go up to 3.6 GT speed.
If Intel chooses to use this version, HBM2E memory can push Sapphire Rapis processors to high bandwidth up to 3.68TB for 128GB memory. On the other hand, SPR’s 8 x DDR5 4800 MHz memory channels of 307 GB, which supports one module per channel, can support at least 4 TB of memory using the 512 GB DDR5 RDIMM modules introduced by Samsung.
Processors that use a high-performance memory subsystem such as HBM consume just as much electricity when running at high speeds. Therefore, feeding these systems is another important issue. For this reason, it is aimed that HBM-equipped SPRs will only be sold to certain individuals and used in supercomputers.
Intel’s new Sapphire Rapids processors will come with PCIe Gen 5 support with CXL 1.1 protocol. In addition, the hybrid memory subsystem supporting DDR5 and HBM will introduce the Company’s Advanced Matrix Extensions (AMX) and a host of new technologies, including the AVX512_BF16 and AVX512_VP2INTERSECT instructions. Some yet unconfirmed reports say that SPRs will come with up to 80 real cores and up to 56 active cores.
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