Can I Run Qwen 3.5 on NVIDIA GeForce RTX 5090?

Written by Jakub Rusinowski · Last updated February 24, 2026

Yes, comfortably — you'll have ~10.6 GB of headroom running Qwen 3.5 35B-A3B at Q4_K_M (21.4 GB, ~400 tok/s (est.)).

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Check price on Amazon — NVIDIA GeForce RTX 5090 32GB

NVIDIA GeForce RTX 5090 Specs

VRAM32 GB
Memory Bandwidth1792 GB/s

Qwen 3.5 35B-A3B on the NVIDIA GeForce RTX 5090: VRAM by quantization

QuantVRAM neededFits 32 GB?Max context
F1682 GB✗ No
Q8_049.2 GB✗ No
Q6_K40.7 GB✗ No
Q5_K_M36.8 GB✗ No
Q4_K_M33.1 GB✗ No
Q3_K_M26.9 GB✓ Yes4K
Q2_K23.5 GB✓ Yes4K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 32 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Qwen 3.5 Sizes That Fit the NVIDIA GeForce RTX 5090

Qwen 3.5 35B-A3BQ4_K_M · 21.4 GB · ~400 tok/s (est.)
Qwen 3.5 27BQ4_K_M · 16.5 GB · ~109 tok/s (est.)
Qwen 3.5 9BQ4_K_M · 6.6 GB · ~272 tok/s (est.)
Qwen 3.5 4BQ4_K_M · 3.4 GB · ~400 tok/s (est.)
Qwen 3.5 2BQ4_K_M · 2.7 GB · ~400 tok/s (est.)
Qwen 3.5 0.8BQ4_K_M · 1 GB · ~400 tok/s (est.)
Buy vs. rent Qwen 3.5
Buy the GPU
~$1,999
NVIDIA GeForce RTX 5090 · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$1,999) beats renting at $0.34/hr after about 8.2 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

Is the NVIDIA GeForce RTX 5090 enough to run Qwen 3.5 locally?

Yes, comfortably — you'll have ~10.6 GB of headroom running Qwen 3.5 35B-A3B at Q4_K_M (21.4 GB, ~400 tok/s (est.)).

What's the best Qwen 3.5 size for the NVIDIA GeForce RTX 5090?

Qwen 3.5 35B-A3B at Q4_K_M quantization (21.4 GB), estimated ~400 tokens/sec.

Qwen 3.5 on Other GPUs

Popular Models on the NVIDIA GeForce RTX 5090

VRAM Tier

Troubleshooting

Buying Guide

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