Tomahawk® 5: Revolutionizing Power Efficiency for AI Infrastructure

Broadcom’s Tomahawk® 5 significantly reduces Total Cost of Ownership (TCO); new third-party test finds that an alternate solution uses 48% more power than Broadcom switch

AI is transforming industries at an unprecedented pace, and data centers have become the backbone of this revolution—driving the massive computations that power modern AI models and applications. But as workloads scale, so does the demand for energy. Power has become one of the most pressing constraints in AI infrastructure, often more limiting than space.

Within AI data centers, networking infrastructure now ranks as one of the largest consumers of power after GPUs. Every watt spent on the network reduces power available for computation, directly impacting AI performance and scalability. The Tomahawk® 5 Ethernet switch system meets this challenge head-on. In fact, according to recent tests reported by the University of New Hampshire Interoperability Laboratory, alternate solutions consumed 48% more power than Broadcom's switch, making the Tomahawk 5 a critical enabler for more efficient and scalable AI data centers.

Tomahawk 5: Engineering Power Efficiency from the Ground Up

The Tomahawk 5 switch system has been designed to address the power challenges through fundamental silicon innovations developed over multiple product generations. Broadcom has worked closely with AI customers to understand power sensitivity requirements, incorporating these insights directly into the chip design process. This isn't a reactive solution to emerging power concerns; instead, it's proactive engineering that anticipated the industry's needs.

The architectural differences are significant. Tomahawk 5 delivers 51.2 terabits of switching capacity through a highly integrated, innovative design, while competing solutions rely on more complex implementations to achieve similar functionality. This architectural innovation improves efficiency, reduces power consumption, and provides a simpler, more scalable foundation for next-generation AI networks.

Financial Implications of Power Efficiency

The power savings offered by Tomahawk 5 translate into substantial cost savings for data center operators. Over a five-year period, the total cost of ownership (TCO) for a single switch system includes both OPEX and CAPEX. Here's how Tomahawk 5 stacks up against an alternate solution:

  • OPEX Savings: With an operational expense of $5,856 per kilowatt over five years, the Tomahawk 5 system incurs $5,717 in OPEX, compared to $8,433 incurred by an alternate system. This results in a savings of over $2,700 per switch in OPEX alone.
  • CAPEX Savings: The capital expense for MEP cooling equipment is estimated at $8,000 per kilowatt. For the Tomahawk 5 system, this amounts to $3,843, while the alternate system costs $5,669. This leads to an additional savings of over $1,800 per switch in CAPEX.
  • Total Cost Savings: Combining OPEX and CAPEX, the Tomahawk 5 system saves over $4,500 per switch over five years compared to the alternate system.

These savings are significant, especially when scaled across large data centers with hundreds or thousands of switches. By adopting Tomahawk 5, data center operators can reduce their power-related expenses, freeing up resources to invest in other critical areas such as GPU capacity and infrastructure upgrades.

The Broader Impact of Power Efficiency

The benefits of Tomahawk 5’s power efficiency extend beyond cost savings. Tomahawk 5 can alleviate the strain on local power grids, ensuring more reliable energy availability for other industries and communities.

For AI data centers, the power efficiency of Tomahawk 5 also means greater scalability. With less power allocated to networking infrastructure, more energy can be directed toward GPUs, enabling data centers to handle larger workloads and support more advanced AI applications. This is a critical advantage in a world where AI is driving innovation across industries, from healthcare and finance to autonomous vehicles and smart cities.

Why Tomahawk 5 is the Future of AI Networking

The Tomahawk 5 switch system represents a significant leap forward in networking technology, offering unparalleled power efficiency without compromising performance. By adopting Tomahawk 5, data center operators are making a clear choice: investing in Tomahawk 5 is not just a smart financial decision but also a step toward building a more future-ready infrastructure. As AI continues to push the boundaries of what's possible, Tomahawk 5 ensures that the future of AI networking is more cost-effective and energy-efficient.

Learn more about Broadcom’s Tomahawk 5 capabilities here.

Source:
Report 1: University of New Hampshire Interoperability Laboratory, 2026
Report 2: University of New Hampshire Interoperability Laboratory, 2026