Can I Run Nemotron Cascade 2 on NVIDIA GeForce RTX 3090?

Written by Jakub Rusinowski · Last updated July 12, 2026

Yes, comfortably — you'll have ~5.9 GB of headroom running Nemotron Cascade 2 30B at Q4_K_M (18.1125 GB, ~29 tok/s (est.)) with room for up to 16K context.

Buy This HardwareNVIDIA GeForce RTX 3090 24GB — 24 GB VRAM · 350 W board powerDeploy in the Cloud NowRTX 3090 on RunPod — from $0.46/hr · rate checked 2026-08

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NVIDIA GeForce RTX 3090 24GB
24 GB VRAM · 350 W board power
2026 prices are volatile — check the current listing.
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NVIDIA GeForce RTX 3090 Specs

VRAM24 GB
Memory Bandwidth936 GB/s

Nemotron Cascade 2 30B on the NVIDIA GeForce RTX 3090: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F1661.7 GB✗ No
Q8_033.6 GB✗ No
Q6_K26.3 GB✗ No
Q5_K_M23 GB✓ Yes8K
Q4_K_M19.8 GB✓ Yes16K
Q3_K_M14.5 GB✓ Yes32K
Q2_K11.6 GB✓ Yes32K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 24 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 GeForce RTX 3090

Nemotron Cascade 2 30BQ4_K_M · 18.1125 GB · ~29 tok/s (est.)
Buy vs. rent Nemotron Cascade 2
Buy the GPU
~$1,499
NVIDIA GeForce RTX 3090 · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$1,499) beats renting at $0.34/hr after about 6.1 years.

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RunPod $0.34/hr
Rent on RunPod →
Vast.ai $0.35/hr · typical low · varies
Rent on Vast.ai →

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

FAQ

Does the NVIDIA GeForce RTX 3090 have enough VRAM for Nemotron Cascade 2?

Yes, comfortably — you'll have ~5.9 GB of headroom running Nemotron Cascade 2 30B at Q4_K_M (18.1125 GB, ~29 tok/s (est.)) with room for up to 16K context.

Which quantization of Nemotron Cascade 2 should I use on the NVIDIA GeForce RTX 3090?

Nemotron Cascade 2 30B at Q4_K_M quantization (18.1125 GB), estimated ~29 tokens/sec, up to 16K context.

Nemotron Cascade 2 on Other GPUs

Popular Models on the NVIDIA GeForce RTX 3090

VRAM Tier

Troubleshooting

Buying Guide

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