Samsung unveils first LPDDR-PIM chip for AI

Samsung's presentation at Hot Chips 2026 marks a step toward making processing-in-memory practical for AI inference. By embedding computation within memory, PIM can reduce the energy and time spent shifting data between memory and processor—a significant bottleneck in AI workloads. This approach could become more attractive as HBM costs rise, potentially offering a lower-cost alternative for inference tasks. Samsung claims this is the industry's first LPDDR-based PIM device, signaling a new direction in memory design. The inclusion of working silicon and performance data suggests the technology is moving from concept to deployment, though commercial availability remains unclear. If PIM gains traction, it could reshape how AI inference is priced and deployed, especially in cost-sensitive environments.