HP OmniBook Ultra 16 Review: RTX Spark With 128GB Tops Our Local Coding Agent Test
The HP OmniBook Ultra 16 is HP’s 16-inch NVIDIA RTX Spark notebook, a 0.62-inch-thick laptop built around NVIDIA’s N1X superchip and a 3K OLED display. We tested two units side by side: one with the full 20-core N1X, 128GB of LPDDR5X, and a 2TB Gen5 SSD, and one with the same chip, 32GB, and a The post HP OmniBook Ultra 16 Review: RTX Spark With 128GB Tops Our Local Coding Agent Tes…
A 128GB LPDDR5X configuration of HP's OmniBook Ultra 16 outperformed its 32GB sibling in a local coding agent test, even though both used the same 20-core N1X chip. That points to memory capacity, not compute, as the deciding factor for running AI workloads locally. LPDDR5X in a laptop isn't server memory, but the same logic applies to datacenter and edge builds: model size and context needs set the DRAM requirement before the processor does. If you're sizing capacity for inference or developer AI infrastructure, check live DDR5 and RDIMM inventory or request a quote to compare configurations.