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Can the NVIDIA RTX 4080 run Qwen3 1.7B?

RTX 4080 × Qwen3 1.7B8K context
YesRuns fully on the GPU
Memory at FP165.6 GB of 16 GB
Weights 4.1 GBKV cache 0.9 GBRuntime 0.6 GB
QuantFP16Full quality
Speed~106tokens per second
Max context32Kthe model's full window
  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 4080 can run Qwen3 1.7B fully in VRAM at FP16 (full quality), using about 5.6 GB of the 16 GB available, at roughly 106 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Qwen3 1.7B:

ollama run qwen3:1.7b

Ollama's default download is Q4_K_M (about 2.8 GB here). You have room for FP16, which is full quality: pick that GGUF in LM Studio or from Hugging Face.

New to this? Step-by-step setup for the RTX 4080

Run it in the cloud

No NVIDIA RTX 4080? Run Qwen3 1.7B 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 16 GB the NVIDIA RTX 4080 can use.

QuantQualityMemoryFits?Speed
FP16Full quality5.6 GBFits~106 tok/s
Q8_0Near-lossless3.7 GBFits~199 tok/s
Q6_KExcellent3.2 GBFits~258 tok/s
Q5_K_MVery good3 GBFits~298 tok/s
Q4_K_MGood, most popular2.8 GBFits~350 tok/s
Q3_K_MNoticeably degraded2.5 GBFits~434 tok/s
Q2_KHeavily degraded2.3 GBFits~565 tok/s

Measured speed from real RTX 4080 owners

Tokens per second that people measured on their own NVIDIA RTX 4080, next to our estimate.

No one has measured Qwen3 1.7B on the NVIDIA RTX 4080 yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an RTX 4080? Add your real speed

One command times Qwen3 1.7B in your own Ollama, shows you exactly what it would send, and asks before sending anything. No sign-up, no personal data.

macOS and Linux

curl -fsSL https://gpufit.dev/bench.sh | sh -s -- qwen3:1.7b

Windows (PowerShell)

$env:GPUFIT_MODEL="qwen3:1.7b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Qwen3 1.7B comfortably

Models that run well on the NVIDIA RTX 4080

Frequently asked questions

Can NVIDIA RTX 4080 run Qwen3 1.7B?

Yes. The NVIDIA RTX 4080 can run Qwen3 1.7B fully in VRAM at FP16 (full quality), using about 5.6 GB of the 16 GB available, at roughly 106 tokens/second.

How much VRAM does Qwen3 1.7B need?

About 2.8 GB at Q4_K_M with 8,192 tokens of context, and about 5.6 GB at full FP16 precision.

How fast is Qwen3 1.7B on the NVIDIA RTX 4080?

Roughly 106 tokens per second at FP16, estimated from the NVIDIA RTX 4080's 717 GB/s memory bandwidth.