Intel Plans to Use TSMC's 2nm Process for Nova Lake

kyojuro Wednesday, April 23, 2025

Intel's recent activities have been creating significant buzz in the tech industry. The chip behemoth has reportedly placed an order with TSMC to produce its next-generation Nova Lake processors using the advanced 2nm process technology. Simultaneously, Intel is forging ahead with its in-house 18A process, which is currently earmarked for products like Panther Lake and Clearwater Forest. Clearly, Intel is pursuing a dual strategy—combining internal manufacturing with external foundry services—to find an optimal balance and rejuvenate the desktop processor market by 2026.

Nova Lake is positioned as Intel's powerhouse successor to Arrow Lake and is anticipated to be a major breakthrough for desktop processors. The chip is expected to feature up to 52 hybrid cores, comprising 16 Coyote Cove performance cores, 32 Arctic Wolf efficiency cores, and four low-power cores, which may be housed in separate SoC modules. Compared to its predecessor, Nova Lake showcases significant architectural advancements: the performance cores have transitioned from Lion Cove to Cougar Cove to Coyote Cove, and the efficiency cores have moved from Skymont to Darkmont to Arctic Wolf. This configuration is impressive, aimed at balancing high performance with low power consumption, catering to diverse needs from gaming to multitasking.

To accommodate this powerful chip, Nova Lake will utilize the new LGA1954 socket. This development means existing 800-series motherboards will become obsolete, and those looking to upgrade may need to replace their motherboards as well. While this additional cost may be daunting, new slots typically offer higher bandwidth and scalability, facilitating future platform enhancements. Intel's strategy clearly aims for long-term competitiveness.

Intel's decision to use TSMC's 2nm process appears to be a strategic, calculated move rather than a casual choice. As early as 2023, Intel indicated that Nova Lake would be dual-sourced, with high-performance models potentially fabricated using TSMC's 2nm process and lower-end versions relying on its own 18A process. This flexible approach can alleviate pressure on the 18A production line and ensure timely chip delivery. TSMC's 2nm process is highly sought after—not only by Intel but also by AMD for its Zen 6 "Venice" server chip and Apple for the A20 chip. This leading-edge technology can reportedly boost transistor density to over 300 million per square millimeter, reduce power consumption by nearly 30%, and enhance performance by more than 10%. Although promising, the cost is steep, with 2nm wafer production fees rumored to reach $30,000 per unit, significantly higher than 3nm costs.

The partnership between Intel and TSMC is not new, with Arrow Lake utilizing TSMC's 3nm and 5nm processes, and Lunar Lake and Battlemage GPUs also relying on TSMC's technology. This collaboration allows Intel to rapidly introduce new products, compensating for its own manufacturing challenges. However, frequent outsourcing drives up costs, requiring Intel to balance market speed with expense control. Conversely, its own 18A process holds great promise. This innovation introduces a full wrap-around gate transistor and backside power supply design, significantly enhancing performance and energy efficiency. Data indicates that, under low-voltage conditions, the 18A process offers 18% higher performance than its predecessor, with 38% lower power consumption, and transistor density reaching 238 million per square millimeter. The first 18A chips, Panther Lake and Clearwater Forest, have been successfully tested and are slated for mass production in 2025.

The journey to 18A has not been without hurdles. Due to the discontinuation of the previous 20A process, Intel concentrated all its resources on the 18A process, placing the production line under strain. Initially, Clearwater Forest was scheduled for a 2025 launch but has been postponed to the first half of 2026 due to packaging issues. To prevent consumer product delays, Intel has opted to delegate some Nova Lake orders to TSMC. In the words of Intel's product head, Michelle Johnston Holthaus: "To deliver the best product to users, we will outsource when necessary." This pragmatic stance underscores Intel's adaptability and raises questions about its future in-house manufacturing capabilities.

There's an additional advantage to the dual-sourcing approach: attracting external clients. Rumor has it that NVIDIA might utilize the 18A process for consumer GPUs, with Broadcom and AMD also showing interest. Should 18A achieve successful mass production and secure substantial orders, Intel's foundry business could experience a turnaround. However, it must contend with the formidable competition from TSMC and Samsung, necessitating true prowess in technology, capacity, and pricing.

In 2026, Nova Lake will face competition from AMD's Zen 6 and Apple's A20. Known for its server focus, AMD's Venice could feature up to 128 cores for formidable performance. Apple's A20, meanwhile, will leverage the ARM architecture's low power consumption to maintain its mobile market dominance. For Intel to dominate the desktop segment, Nova Lake must excel across the board in performance, price, and compatibility. Notably, the semiconductor industry's competition is intensifying. Developing 2nm processes costs over a billion dollars, while constructing plants entails multi-billion-dollar investments. The escalating demand for precision photolithography in fabrication facilities has led to recurring equipment shortages and delayed delivery timelines. Thus, Intel's alliance with TSMC addresses current realities while also contemplating the future.

For technology enthusiasts, Nova Lake's 52 cores and new socket design are undoubtedly appealing, and breakthroughs in the 18A process could present exciting opportunities in AI and high-performance computing. Whether it's TSMC's 2nm or Intel's 18A that ultimately prevails, consumers will benefit from more robust and energy-efficient chips. The chip competition anticipated in 2026 is certainly something to look forward to.

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