Gaudi 3 128GB vs H100 80GB SXM5 for Local LLMs

The H100 80GB SXM5 has about 2% more memory bandwidth (3,350 vs 3,276 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 2% faster on the H100 80GB SXM5. The Gaudi 3 128GB fits more of the catalog at Q4/8K — 47 vs 46 of 61 models (128 vs 80 GB VRAM). Largest model that fits the Gaudi 3 128GB but not the H100 80GB SXM5: DeepSeek-V4-Flash (158.1B). MSRP is $12,500 for the Gaudi 3 128GB 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: Gaudi 3 128GB, 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 H100 80GB SXM5 posts the higher tok/s in 47 rows vs 7. Methodology.

Spec comparison

	Gaudi 3 128GB	H100 80GB SXM5
Vendor	Intel	NVIDIA
VRAM	128 GB	80 GB
Memory type	HBM2e	HBM3
Memory bandwidth	3,276 GB/s	3,350 GB/s
TDP	600 W	700 W
MSRP (list)	$12,500	$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

Model	Params (B)	Gaudi 3 128GB tok/s	Gaudi 3 128GB fits	H100 80GB SXM5 tok/s	H100 80GB SXM5 fits	Winner
Qwen3-0.6B	0.8	2605.9 est.	Yes	2664.8 est.	Yes	H100 80GB SXM5
gemma-3-1b-it	1.0	2084.7 est.	Yes	2131.8 est.	Yes	H100 80GB SXM5
Llama-3.2-1B-Instruct	1.2	1737.3 est.	Yes	1776.5 est.	Yes	H100 80GB SXM5
Qwen3-1.7B	2.0	1042.4 est.	Yes	1065.9 est.	Yes	H100 80GB SXM5
Qwen3-30B-A3B	30.5	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
Qwen3-Coder-30B-A3B-Instruct	30.5	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
GLM-4.7-Flash	31.2	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
Qwen3-30B-A3B-Instruct-2507	30.5	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
Qwen3-Next-80B-A3B-Instruct	81.3	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
Qwen3-Coder-Next	79.7	694.9 est.	Yes	710.6 est.	Yes	H100 80GB SXM5
Llama-3.2-3B-Instruct	3.2	651.5 est.	Yes	666.2 est.	Yes	H100 80GB SXM5
gpt-oss-20b	21.5	579.1 est.	Yes	592.2 est.	Yes	H100 80GB SXM5
MiniMax-M2.7	228.7	588.4 est.	No	235.0 est.	No	Gaudi 3 128GB
Phi-4-mini-instruct	3.8	548.6 est.	Yes	561.0 est.	Yes	H100 80GB SXM5
Phi-4-mini-reasoning	3.8	548.6 est.	Yes	561.0 est.	Yes	H100 80GB 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

	Gaudi 3 128GB	H100 80GB SXM5
Catalog models that fit	47 of 61	46 of 61
Largest exclusive fit	DeepSeek-V4-Flash (158.1B)	—

Gaudi 3 128GB details → · H100 80GB SXM5 details →