Rent a GPU

Can the NVIDIA RTX 5090 run Qwen3 14B?

RTX 5090 × Qwen3 14B8K context
YesRuns fully on the GPU
Memory at FP1631.5 GB of 32 GB
Weights 29.6 GBKV cache 1.3 GBRuntime 0.6 GB
QuantFP16Full quality
Memory31.5 GBof 32 GB usable
Speed~36tokens per second
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Yes. The NVIDIA RTX 5090 can run Qwen3 14B fully in VRAM at FP16 (full quality), using about 31.5 GB of the 32 GB available, at roughly 36 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Qwen3 14B:

ollama run qwen3:14b

Ollama's default download is Q4_K_M (about 10.9 GB here). You have room for FP16, which is full quality: pick that GGUF in LM Studio or from Hugging Face.

Run it in the cloud

No NVIDIA RTX 5090? Run Qwen3 14B in the cloud.

Rent a cloud GPU by the hour. No upfront cost, stop any time.

Rent a GPU on RunPodRent a GPU on Vast.ai

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 32 GB the NVIDIA RTX 5090 can use.

QuantQualityMemoryFits?Speed
FP16Full quality31.5 GBFits~36 tok/s
Q8_0Near-lossless17.7 GBFits~68 tok/s
Q6_KExcellent14.1 GBFits~89 tok/s
Q5_K_MVery good12.5 GBFits~102 tok/s
Q4_K_MGood, most popular10.9 GBFits~120 tok/s
Q3_K_MNoticeably degraded9.2 GBFits~149 tok/s
Q2_KHeavily degraded7.5 GBFits~194 tok/s

GPUs that run Qwen3 14B comfortably

Models that run well on the NVIDIA RTX 5090

Frequently asked questions

Can NVIDIA RTX 5090 run Qwen3 14B?

Yes. The NVIDIA RTX 5090 can run Qwen3 14B fully in VRAM at FP16 (full quality), using about 31.5 GB of the 32 GB available, at roughly 36 tokens/second.

How much VRAM does Qwen3 14B need?

About 10.9 GB at Q4_K_M with 8,192 tokens of context, and about 31.5 GB at full FP16 precision.

How fast is Qwen3 14B on the NVIDIA RTX 5090?

Roughly 36 tokens per second at FP16, estimated from the NVIDIA RTX 5090's 1792 GB/s memory bandwidth.