AMD partners with GlobalFoundries for Co-Packaged Optics in Instinct MI500 AI accelerators

AMD Instinct MI500 Adopts Co-Packaged Optics for 2027 Launch

AMD is expanding its AI hardware strategy with Co-Packaged Optics for the Instinct MI500 generation, marking a significant shift in how AI accelerators handle data movement at scale 1

1

. The company will partner with GlobalFoundries for manufacturing Photonic Integrated Circuits (PIC), while ASE handles packaging and assembly 2

2

. This approach reduces reliance on traditional copper connections by harnessing light to transfer signals, directly addressing AI infrastructure challenges that increasingly constrain modern deployments.

Silicon Photonics Race Intensifies Between AMD and NVIDIA

The move places AMD in direct competition with NVIDIA in the silicon photonics race. NVIDIA is developing its own CPO solution for Vera Rubin accelerators, using TSMC for PIC manufacturing and SPIL for packaging, with final assembly handled by Foxconn Industrial Internet 2

2

. For its Rubin Ultra generation, NVIDIA will prioritize Co-Packaged Optics over Near-Package Optics, eventually eliminating NPOs entirely with its Feynman generation 2

2

. This parallel development signals that optical interconnect technology has become essential for next-generation AI factories, where interconnect bandwidth and latency matter as much as raw compute power.

Addressing Bandwidth Bottlenecks and Power Efficiency

AI infrastructure is increasingly constrained by how efficiently systems move data rather than processing capability alone. Traditional copper links struggle with signal integrity, power draw, thermal load, and physical routing in dense clusters as bandwidth requirements climb 1

1

. Co-Packaged Optics addresses these bandwidth bottlenecks by positioning optical communication much closer to the compute package, reducing electrical constraints and improving data movement efficiency across racks and larger deployments 1

1

. In hyperscale data center environments, lowering the power cost of inter-node communication becomes as critical as adding matrix throughput or memory capacity.

GlobalFoundries Returns Through Specialty Manufacturing

The GlobalFoundries photonic integrated circuits partnership marks a notable reconnection between the companies. GlobalFoundries originated from AMD's former manufacturing operations before independence, with AMD fully divesting years ago 1

1

. Their relationship has continued in limited form around mature-node products, but this photonics work represents a more visible role. GlobalFoundries has invested in silicon photonics and specialty process technologies, making it relevant for optical interconnect work without competing at cutting-edge GPU process nodes 1

1

. This highlights how AMD is selecting specialists for specific functions in the AI supply chain.

Advanced Process Technology and Architecture Improvements

The MI500 series will be fabricated on an advanced 2nm process technology at TSMC, more advanced than the 2nm node used for the nearer-term MI400 series 2

2

. The AI accelerators will leverage the new CDNA 6 architecture, compared to CDNA 5 for MI400, and feature HBM4E memory offering higher speeds and bandwidth than the 19.6TB/s available on HBM4-powered MI400 accelerators 2

2

. AMD has committed to achieving over 1000x AI performance improvement in just four years, with the MI500 launch in 2027 representing a crucial milestone in meeting growing AI demand 2

2

.

Multi-Company Engineering Defines Modern Accelerator Design

Advanced AI products now require coordination across multiple specialists rather than relying on a single manufacturing source. Packaging, chip-to-chip connectivity, and interconnect integration play major roles in system capability 1

1

. Pairing photonics production from GlobalFoundries with packaging expertise from ASE reflects how modern accelerator design has evolved into a multi-company engineering effort. Last year, AMD acquired photonics experts Enosemi to accelerate its Co-Packaged Optics innovations 2

2

, further strengthening its capabilities in this critical technology area. If this partnership delivers as planned, Instinct MI500 may become one of AMD's most important platform transitions yet, with optical interconnects helping address the scaling limits that now define competition in the AI data center race.