The RTX 3090 24GB has about 4% more memory bandwidth (936 vs 900 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 4% faster on the RTX 3090 24GB. The V100 32GB SXM2 fits more of the catalog at Q4/8K — 43 vs 41 of 73 models (32 vs 24 GB VRAM). Largest model that fits the V100 32GB SXM2 but not the RTX 3090 24GB: Qwen3.6-35B-A3B-FP8 (36.0B). MSRP is $1,499 for the RTX 3090 24GB vs $10,000 for the V100 32GB SXM2. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: V100 32GB SXM2 (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (56 shared models), the RTX 3090 24GB posts the higher tok/s in 38 rows vs 18. Methodology.