The rumor about an Intel Arrow Lake-S desktop CPU with 24 cores and 24 threads at 3 GHz allegedly comes from InstaLatX64. Although there is no official confirmation yet, it seems that the Arrow Lake-S CPUs from Intel will have up to 8 P-cores and 16 E-cores. The P-cores may not support Hyper-Threading, which could have both advantages and disadvantages.
So it looks like Intel may be planning to remove Hyper-Threading from the next product line. There is no specific reason for this decision, but it could be that Intel no longer sees it as useful for future workloads. There may also no longer be a need for so many threads for consumer PC applications due to the increasing number of cores.
I spotted a new #ArrowLake-S (CPUID C0660, 24 threads, 3GHz, w/o #AVX512) among the #Intel test machines:https://t.co/xiSjhpEcPP https://t.co/X7iBnRq9gW pic.twitter.com/Dasjo0L6Fp
— InstLatX64 (@InstLatX64) February 1, 2024
Intel has invested significant time and resources in developing its Thread Director technology, working closely with partners such as Microsoft to optimize the performance of its P-Core and E-Core architecture on Windows operating systems. In addition, the company has worked with game developers to develop and release its Application Performance Optimization (APO) software. This software aims to optimize the performance of CPUs in a select number of games and CPU SKUs, and the company has recently expanded its efforts in this area.
Probably yes, but it is hard to decide if it is a bug or a feature.
Advantages of disabled HTT:
-Simpler Thread-Director
-Better side-channel attack resistance
-I can imagine such good branch prediction and reordering capabilities where HTT has just negligible advantage.— InstLatX64 (@InstLatX64) February 3, 2024
It is also possible that the Arrow Lake-S desktop CPUs will no longer offer AVX512 instruction support. This could be due to higher power consumption or it could indicate that Intel deliberately wants to limit AVX-512 to enterprise and server segments so as not to jeopardize client platforms. However, it is important to emphasize that AVX-512 is not disappearing completely. Support for these instructions will remain on the HPC side with the Xeon chips. AMD already offers it on its Ryzen 7000 consumer processors, which have shown impressive performance capabilities. Arrow Lake-S is expected to introduce AVX10 ISA support, which is a decent alternative and offers significantly improved functionality.
Arrow Lake-S is expected to utilize the Lion Cove P-core and Skymont E-core architecture, which will include up to 8 P-cores and 16 E-cores for a total of 24 cores. In addition, the CPUs will be equipped with the latest GT1 Xe-LPG iGPU, but with fewer Xe cores compared to the Meteor Lake CPUs. Intel plans to offer Arrow Lake-S desktop CPUs on new LGA-1851 socket motherboards with the 800-series PCH, including the Z890, H870, B860 and H810 series. Various SKUs have also been reported with their respective core/thread configurations.
- Arrow Lake-S 8 16 (24 cores / 32 threads)
- ArrowLake-S 6 16 (22 cores / 28 threads)
- Arrow Lake-S 6 8 (14 cores / 20 threads)
Intel’s Arrow Lake-S desktop CPUs are specifically designed for gaming platforms such as desktop PCs and are due to be launched later this year.
Source: InstaLatX64
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