Can I Run Qwen 3.5 on NVIDIA GeForce RTX 3090?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

作者： Jakub Rusinowski · 最后更新： 2026年2月24日

Yes, comfortably — you'll have ~7.5 GB of headroom running Qwen 3.5 27B at Q4_K_M (16.5 GB, ~57 tok/s (est.)).

联盟营销声明: 本页部分链接为联盟推广链接——如果你通过它们购买，LLM Configurator 可能会获得佣金，而你无需支付任何额外费用。作为亚马逊联盟成员（Amazon Associate），LLM Configurator 会从符合条件的购买中获得收益。

在亚马逊查看价格 — NVIDIA GeForce RTX 3090 24GB

NVIDIA GeForce RTX 3090 Specs

VRAM	24 GB
Memory Bandwidth	936 GB/s

Qwen 3.5 27B on the NVIDIA GeForce RTX 3090: VRAM by quantization

Quant	VRAM needed	Fits 24 GB?	Max context
F16	63.4 GB	✗ No	—
Q8_0	38.1 GB	✗ No	—
Q6_K	31.6 GB	✗ No	—
Q5_K_M	28.6 GB	✗ No	—
Q4_K_M	25.7 GB	✗ No	—
Q3_K_M	20.9 GB	✓ Yes	4K
Q2_K	18.3 GB	✓ Yes	4K

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.

Qwen 3.5 Sizes That Fit the NVIDIA GeForce RTX 3090

Qwen 3.5 27B	Q4_K_M · 16.5 GB · ~57 tok/s (est.)
Qwen 3.5 9B	Q4_K_M · 6.6 GB · ~142 tok/s (est.)
Qwen 3.5 4B	Q4_K_M · 3.4 GB · ~275 tok/s (est.)
Qwen 3.5 2B	Q4_K_M · 2.7 GB · ~347 tok/s (est.)
Qwen 3.5 0.8B	Q4_K_M · 1 GB · ~400 tok/s (est.)

Buy vs. rent Qwen 3.5

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.

Affiliate links — we may earn a commission if you sign up, at no extra cost to you.

RunPod $0.34/hr

Rent on RunPod →

Vast.ai $0.35/hr · typical low · varies