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DGX Spark (GH200 480GB) vs H200 141GB SXM5 for Local LLMs

The H200 141GB SXM5 has about 860% more memory bandwidth (4,800 vs 500 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 860% faster on the H200 141GB SXM5. The DGX Spark (GH200 480GB) fits more of the catalog at Q4/8K — 66 vs 55 of 69 models (480 vs 141 GB VRAM). Largest model that fits the DGX Spark (GH200 480GB) but not the H200 141GB SXM5: DeepSeek-V4-Pro (861.6B). MSRP is $3,000 for the DGX Spark (GH200 480GB) vs $35,000 for the H200 141GB SXM5. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: H200 141GB SXM5 (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (67 shared models), the H200 141GB SXM5 posts the higher tok/s in 66 rows vs 1. Methodology.

Spec comparison

DGX Spark (GH200 480GB)H200 141GB SXM5
VendorNVIDIANVIDIA
VRAM480 GB141 GB
Memory typeLPDDR5XHBM3e
Memory bandwidth500 GB/s4,800 GB/s
TDP170 W700 W
MSRP (list)$3,000$35,000
BuySearch Amazon (affiliate)—

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 67 shared models

ModelParams (B)DGX Spark (GH200 480GB) tok/sDGX Spark (GH200 480GB) fitsH200 141GB SXM5 tok/sH200 141GB SXM5 fitsWinner
MiniCPM5-1B1.08294.6 est.Yes2828.3 est.YesH200 141GB SXM5
Qwen3.5-2B2.0159.1 est.Yes1527.3 est.YesH200 141GB SXM5
DeepSeek-R1-0528-Qwen3-8B-layer-mix-bpw-3.8-mlx2.3138.3 est.Yes1328.1 est.YesH200 141GB SXM5
Qwen3.6-35B-A3B36.0106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Qwen3.5-35B-A3B34.7106.1 est.Yes1018.2 est.YesH200 141GB SXM5
GLM-4.7-Flash31.2106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Qwen3-30B-A3B-Instruct-250730.5106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF1630.0106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Qwen3-Coder-Next79.7106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Ornith-1.0-35B35.0106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Qwen3-Next-80B-A3B-Instruct81.3106.1 est.Yes1018.2 est.YesH200 141GB SXM5
qwen35b-a3b-fable-sft-abliterated34.7106.1 est.Yes1018.2 est.YesH200 141GB SXM5
Llama-3.2-3B-Instruct3.299.4 est.Yes954.5 est.YesH200 141GB SXM5
gpt-oss-20b21.588.4 est.Yes848.5 est.YesH200 141GB SXM5
gemma-4-26B-A4B-it25.283.7 est.Yes803.8 est.YesH200 141GB SXM5

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

DGX Spark (GH200 480GB)H200 141GB SXM5
Catalog models that fit66 of 6955 of 69
Largest exclusive fitDeepSeek-V4-Pro (861.6B)—

DGX Spark (GH200 480GB) details → · H200 141GB SXM5 details →