Can I Run Nemotron Cascade 2 on NVIDIA H100 80GB?

作者: Jakub Rusinowski · 最后更新: 2026年7月21日

Yes, comfortably — you'll have ~37.7 GB of headroom running Nemotron Cascade 2 70B at Q4_K_M (42.2625 GB, ~36 tok/s (est.)) with room for up to 64K context.

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NVIDIA H100 80GB PCIe
80 GB VRAM · 350 W board power
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NVIDIA H100 80GB Specs

VRAM80 GB
Memory Bandwidth2000 GB/s

Nemotron Cascade 2 70B on the NVIDIA H100 80GB: VRAM by quantization

QuantVRAM neededFits 80 GB?Max context
F16142 GB✗ No
Q8_076.4 GB✓ Yes16K
Q6_K59.4 GB✓ Yes64K
Q5_K_M51.6 GB✓ Yes64K
Q4_K_M44.3 GB✓ Yes64K
Q3_K_M31.8 GB✓ Yes64K
Q2_K25 GB✓ Yes64K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 80 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Nemotron Cascade 2 Sizes That Fit the NVIDIA H100 80GB

Nemotron Cascade 2 70BQ4_K_M · 42.2625 GB · ~36 tok/s (est.)
Nemotron Cascade 2 30BQ4_K_M · 18.1125 GB · ~74 tok/s (est.)
Buy vs. rent Nemotron Cascade 2
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~$25,000
NVIDIA H100 80GB · MSRP
Rent by the hour
from $0.77/hr
A100 (80 GB) class

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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

FAQ

Does the NVIDIA H100 80GB have enough VRAM for Nemotron Cascade 2?

Yes, comfortably — you'll have ~37.7 GB of headroom running Nemotron Cascade 2 70B at Q4_K_M (42.2625 GB, ~36 tok/s (est.)) with room for up to 64K context.

Which quantization of Nemotron Cascade 2 should I use on the NVIDIA H100 80GB?

Nemotron Cascade 2 70B at Q4_K_M quantization (42.2625 GB), estimated ~36 tokens/sec, up to 64K context.

Every Nemotron Cascade 2 size on the NVIDIA H100 80GB

SizeVRAMVerdictSpeed
Nemotron Cascade 2 70B42.3 GBRuns~36 tok/s
Nemotron Cascade 2 30B18.1 GBRuns~74 tok/s

Nemotron Cascade 2 on Other GPUs

Popular Models on the NVIDIA H100 80GB

VRAM Tier

Troubleshooting

Buying Guide

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