China’s LongChips has once again made headlines with the release of its 3B6600 processor, which has been deemed comparable to Intel’s 12th Gen Core i7. The announcement was made on the website of WuYouZhouShang, a prominent Chinese news outlet, and has sparked considerable interest in the domestic semiconductor industry.
The LongChips 3B6600, powered by the latest CPU core technology, boasts a significant 20% performance improvement over the LA664 architecture of the LongChips 3A6000. It is manufactured using domestically produced mature wafers and operates at a base frequency of no less than 2.5GHz. According to the SPEC06 int benchmark, the LongChips 3B6600 achieves a score exceeding 50, bringing it close to the mainstream level of X86 CPUs. This performance is particularly impressive considering the manufacturing process’s limitations.
In addition to the CPU, the LongChips 3B6600 features the integrated GPU LG200, which supports DDR5 memory, PCIe 4.0 bus, and HDMI 2.1. This comprehensive set of features ensures seamless performance for both daily use and general gaming.
LongChips has also unveiled several other CPU models, including the 16-core 32-thread LongChips 3C6000, the 32-core 64-thread LongChips 3D6000, and the 64-core 128-thread or 60-core 120-thread LongChips 3E6000. These models are designed to cater to different market segments and offer varying levels of performance.
The LongChips 3C6000 and 3D6000 have been benchmarked against Intel’s Xeon Silver 4314 and Xeon Gold 6338, with significant performance improvements observed in the SPEC CPU 2017 and UnixBench tests. The LongChips 3C6000 achieved a 60-95% improvement in the four SPEC CPU 2017 test projects and a 33% improvement in UnixBench single-threaded performance and a 100% improvement in multi-threaded performance. Similarly, the LongChips 3D6000 demonstrated a 62-110% improvement in the four SPEC CPU 2017 test projects and a 55% improvement in UnixBench single-threaded performance and a 79% improvement in multi-threaded performance.
LongChips has long prioritized the development of CPU architecture, choosing to focus on mature manufacturing processes rather than pursuing cutting-edge technology. This approach not only ensures a stable supply of chips but also prevents reliance on Taiwan Semiconductor Manufacturing Company’s (TSMC) advanced manufacturing processes, thereby avoiding potential supply chain disruptions.
In terms of performance, server CPUs generally have lower clock speeds compared to desktop CPUs, making them well-suited for LongChips’ high IPC (instructions per clock) but lower clock speed CPUs. As long as the software ecosystem keeps pace, LongChips has significant potential in the server market.
Looking ahead, LongChips plans to place greater emphasis on GPU and AI development. The LG200 GPU, integrated into the LongChips 3B6600, offers both graphics rendering and AI acceleration capabilities. The company aims to achieve comprehensive development of both CPU and GPU, similar to AMD’s strategy.
The release of the LongChips 3B6600 and the company’s commitment to innovation and self-sufficiency in the semiconductor industry highlight China’s growing strength in this crucial sector. As the country continues to invest in research and development, LongChips and its competitors are poised to challenge global leaders in the years to come.
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