HARDWARE FIT CHECK • Qwen 3.6 35B-A3B MoE + NVIDIA GeForce RTX 5080 (16GB GDDR7)24.1 GB / 16 GB VRAM

Can I Run Qwen 3.6 35B-A3B MoE on NVIDIA GeForce RTX 5080 (16GB GDDR7)?

Full VRAM footprint analysis, tokens/sec generation benchmark, and copy-paste Ollama & vLLM runtime commands for running Qwen 3.6 35B-A3B MoE (35B) on NVIDIA GeForce RTX 5080 (16GB GDDR7) (16 GB).

❌ Out of Memory (OOM) — Exceeds Hardware VRAM24.1 GB (151%)0 t/s

Model & Target Hardware

interactive

Model35B MoE

Ultra-Fast 100+ tok/s Coding & Local RAG on 24GB GPUs

Target Hardware16GB • 960 GB/s

▼ Fine-Tune Precision (Q4_K_M, 32K ctx, Q8_0 KV)quant / context

Qwen 3.6 35B-A3B MoE on NVIDIA GeForce RTX 5080 (16GB GDDR7)

✕ Out of Memory — Exceeds VRAM Capacity

✕ OOM

Required VRAM

24.1 GB

151% of hardware capacity (16 GB)

Est. Decode Speed

0 tok/s

3B active params @ 960 GB/s

Available Headroom

-8.1 GB

Needs +8.1 GB more VRAM

Memory Allocation & Headroom

24.1 GB allocated of 16 GB capacity

151% utilized

Weights: 21 GB

KV: (32K): 1.61 GB

Overhead: 1.49 GB

Deficit: -8.1 GB

⚡ Architecture & Throughput Transparency: Single-user decode speed (~0 tok/s) is memory-bandwidth bound at batch size = 1 on NVIDIA GeForce RTX 5080 (16GB GDDR7) (960 GB/s). Prompt prefill / TTFT (~0 tok/s) is compute-bound and utilizes GPU Tensor cores. Actual latency varies with FlashAttention-2 and runtime engine (Ollama/vLLM/llama.cpp).

OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run qwen3.6:35b-a3b

⚠️ Out of VRAM? Don't downgrade model quality.

Out of VRAM

Spin up an on-demand cloud GPU instance in 60 seconds with pre-installed Ollama and vLLM. (Qwen 3.6 35B-A3B MoE @ 24.1 GB VRAM)

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Quantization Precision Matrix

32K ctx • KV: Q8_0

Quantization	Weights	KV Cache	Total VRAM	Est. Speed	Fit Status
FP1616 bpw	70 GB	1.61 GB	74.81 GB (468%)	0 t/s	OOM
Q8_08.5 bpw	37.1 GB	1.61 GB	40.76 GB (255%)	0 t/s	OOM
Q6_K6.56 bpw	28.7 GB	1.61 GB	32.06 GB (200%)	0 t/s	OOM
Q5_K_M5.68 bpw	24.85 GB	1.61 GB	28.08 GB (176%)	0 t/s	OOM
Q4_K_M4.8 bpw	21 GB	1.61 GB	24.1 GB (151%)	0 t/s	OOM
FP44.25 bpw	18.55 GB	1.61 GB	21.56 GB (135%)	~72 t/s	PARTIAL
IQ3_XS3.3 bpw	14.35 GB	1.61 GB	17.21 GB (108%)	~88 t/s	PARTIAL