The Gaudi 3 128GB has about 485% more memory bandwidth (3,276 vs 560 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 485% faster on the Gaudi 3 128GB. The Gaudi 3 128GB fits more of the catalog at Q4/8K — 47 vs 25 of 61 models (128 vs 16 GB VRAM). Largest model that fits the Gaudi 3 128GB but not the Arc A770 16GB: DeepSeek-V4-Flash (158.1B). MSRP is $349 for the Arc A770 16GB vs $12,500 for the Gaudi 3 128GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: Gaudi 3 128GB (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (44 shared models), the Gaudi 3 128GB posts the higher tok/s in 44 rows vs 0. Methodology.