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B200 192GB SXM vs H100 80GB SXM5 for Local LLMs

The B200 192GB SXM has about 139% more memory bandwidth (8,000 vs 3,350 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 139% faster on the B200 192GB SXM. The B200 192GB SXM fits more of the catalog at Q4/8K — 50 vs 46 of 61 models (192 vs 80 GB VRAM). Largest model that fits the B200 192GB SXM but not the H100 80GB SXM5: Qwen3-235B-A22B (235.1B). MSRP is $40,000 for the B200 192GB SXM vs $30,000 for the H100 80GB SXM5. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: B200 192GB SXM, H100 80GB SXM5 (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (54 shared models), the B200 192GB SXM posts the higher tok/s in 54 rows vs 0. Methodology.

Spec comparison

B200 192GB SXMH100 80GB SXM5
VendorNVIDIANVIDIA
VRAM192 GB80 GB
Memory typeHBM3eHBM3
Memory bandwidth8,000 GB/s3,350 GB/s
TDP1000 W700 W
MSRP (list)$40,000$30,000
Buy——

MSRP is the launch list price, not live retail. Buy links are Amazon affiliate links — the price after you click is the live price.

Q4 / 8K head-to-head — top 15 of 54 shared models

ModelParams (B)B200 192GB SXM tok/sB200 192GB SXM fitsH100 80GB SXM5 tok/sH100 80GB SXM5 fitsWinner
gemma-3-1b-it1.05000 est.Yes2131.8 est.YesB200 192GB SXM
Qwen3-0.6B0.85000 est.Yes2664.8 est.YesB200 192GB SXM
Llama-3.2-1B-Instruct1.24242.4 est.Yes1776.5 est.YesB200 192GB SXM
Qwen3-1.7B2.02545.5 est.Yes1065.9 est.YesB200 192GB SXM
Qwen3-30B-A3B30.51697.0 est.Yes710.6 est.YesB200 192GB SXM
Qwen3-Coder-30B-A3B-Instruct30.51697.0 est.Yes710.6 est.YesB200 192GB SXM
GLM-4.7-Flash31.21697.0 est.Yes710.6 est.YesB200 192GB SXM
Qwen3-30B-A3B-Instruct-250730.51697.0 est.Yes710.6 est.YesB200 192GB SXM
Qwen3-Next-80B-A3B-Instruct81.31697.0 est.Yes710.6 est.YesB200 192GB SXM
Qwen3-Coder-Next79.71697.0 est.Yes710.6 est.YesB200 192GB SXM
Llama-3.2-3B-Instruct3.21590.9 est.Yes666.2 est.YesB200 192GB SXM
gpt-oss-20b21.51414.1 est.Yes592.2 est.YesB200 192GB SXM
Phi-4-mini-instruct3.81339.7 est.Yes561.0 est.YesB200 192GB SXM
Phi-4-mini-reasoning3.81339.7 est.Yes561.0 est.YesB200 192GB SXM
gemma-3-4b-it4.31305.4 est.Yes546.6 est.YesB200 192GB SXM

est. = bandwidth-based estimate; measured = curated real benchmark that overrides the estimate. Fits = weights + KV(8K) + 1 GB overhead ≤ 95% of VRAM.

Fit coverage at Q4 / 8K

B200 192GB SXMH100 80GB SXM5
Catalog models that fit50 of 6146 of 61
Largest exclusive fitQwen3-235B-A22B (235.1B)—

B200 192GB SXM details → · H100 80GB SXM5 details →