QwenQwen3.5-27B on NVIDIA GeForce RTX 5090
Yes — RTX 5090 handles Qwen3.5-27B well at Q8_0 — 39 tok/s. Solid daily-driver performance on 32 GB VRAM.
Model Size
27B
Device VRAM
32 GB
Bandwidth
1792 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for Qwen3.5-27B on NVIDIA GeForce RTX 5090 at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 39 tok/s | 256ms | ✓ Yes | Good | estimated |
Notes
Q8_0
Full quality Q8_0 with 3GB headroom.
About Qwen3.5-27B
Qwen3.5-27B (27B) is a chat, coding, ai coding, reasoning, multi-purpose model. Dense 27B from the Qwen 3.5 family. Native multimodal (text, image, video). 256K context window. Competitive with Gemma 3 27B and Qwen 3 32B at lower VRAM. Apache 2.0.
View all Qwen3.5-27B hardware options →About NVIDIA GeForce RTX 5090
NVIDIA GeForce RTX 5090 has 32 GB at 1792 GB/s. Street price: $2,199.
See all models NVIDIA GeForce RTX 5090 can run →Builds with NVIDIA GeForce RTX 5090
Estimate method: Estimated from Qwen 3 32B and MoE benchmarks with size/architecture scaling. Reference hardware source: github.com (2026-03-24)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.