Hot Chips 2026: Samsung makes LPDDR5X smart with logic unit in memory — LPDDR5X-PIM is 3.01x faster than LPDDR5X in AI inference with 8x the bandwidth
Samsung unveiled LPDDR5X-PIM, a memory with in-memory logic, at Hot Chips 2026. The tech is 2.28x faster than LPDDR5X in AI inference and 3.01x faster in tokens per second. Samsung aims to reduce data movement, lower power consumption, and target server, client, and mobile markets. The company plans to develop LPDDR6X-PIM with JEDEC.
How this was made

The 30-second read
Why it matters
The announcement introduces a new memory class that could reduce AI system costs, but market impact depends on adoption by OEMs and accelerator designers.
Market read
While the technology is novel, immediate trading relevance is low; investors may watch for future adoption signals.
What to watch
Potential supply chain constraints for 561‑ball packages and the need for ecosystem support.
Background
Samsung unveiled its first LPDDR5X-PIM memory at Hot Chips 2026, claiming significant AI inference speed and bandwidth gains.
Market effects
Highlights potential shift toward LPDDR5X-PIM in AI edge devices, may spur competition in memory market.
Primarily impacts South Korean semiconductor sector and global AI hardware supply chains.
Limited immediate effect; longer-term relevance for AI accelerator manufacturers.
Counterpoint
Adoption may be slow due to power consumption concerns and competition from HBM solutions.
Key entities
- CompanySamsung Electronics
Introduced LPDDR5X-PIM memory with claimed 2.28‑3.01× AI performance improvements.
- CompanyNvidia
Mentioned as a user of LPDDR5X in its Vera CPU.
- CompanyIntel
Uses LPDDR5X in its Crescent Island AI accelerator.




