HARDWARE FIT CHECK • Qwen 3.6 35B-A3B MoE + NVIDIA GeForce RTX 5070 (12GB GDDR7)24.1 GB / 12 GB VRAM

Can I Run Qwen 3.6 35B-A3B MoE on NVIDIA GeForce RTX 5070 (12GB 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 5070 (12GB GDDR7) (12 GB).

✕ OOM24.1 GB (201%)0 t/s

Model & Target Hardware

interactive
Ultra-Fast 100+ tok/s Coding & Local RAG on 24GB GPUs
GPU Topology / Quantity:Single GPU / Unified SoC
Qwen 3.6 35B-A3B MoE on NVIDIA GeForce RTX 5070 (12GB GDDR7)

✕ Out of Memory — Exceeds VRAM Capacity

✕ OOM
Required VRAM
24.1 GB
201% of hardware capacity (12 GB)
Est. Decode Speed
0 tok/s
3B active params @ 672 GB/s
Available Headroom
-12.1 GB
Needs +12.1 GB more VRAM
Memory Allocation & Headroom
24.1 GB allocated of 12 GB capacity
201% utilized
Weights: 21 GB
KV: (32K): 1.61 GB
Overhead: 1.49 GB
Deficit: -12.1 GB
⚡ Architecture & Throughput Transparency: Single-user decode speed (~0 tok/s) is memory-bandwidth bound at batch size = 1 on NVIDIA GeForce RTX 5070 (12GB GDDR7) (672 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

Local Hardware Configurations & Pricing

⚠️ Out of VRAM: High-Capacity Hardware Upgrades
High-bandwidth VRAM specs and current market prices
Consumer GPU✓ Fits Model
32 GB VRAM

NVIDIA GeForce RTX 5090 (32GB GDDR7)

Maximum tokens/sec on 27B–35B models & Blackwell FP4 quantization

1792 GB/s575W TDP
Consumer GPU↑ Upgrade
24 GB VRAM

NVIDIA GeForce RTX 4090 (24GB GDDR6X)

The 24GB CUDA enthusiast standard for 14B–32B Q4_K_M models

1008 GB/s450W TDP
Multi-GPU Rig✓ Fits Model
48 GB VRAM

2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)

Best price-to-VRAM homelab rig for 70B Q4_K_M & Qwen 3.8 27B Q8

936 GB/s700W TDP
Consumer GPU
12 GB VRAM

NVIDIA GeForce RTX 5070 (12GB GDDR7)

High-efficiency 12GB entry point with FP4 tensor acceleration

672 GB/s250W TDP

Quantization Precision Matrix

32K ctx • KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw70 GB1.61 GB74.81 GB (623%)0 t/sOOM
Q8_08.5 bpw37.1 GB1.61 GB40.76 GB (340%)0 t/sOOM
Q6_K6.56 bpw28.7 GB1.61 GB32.06 GB (267%)0 t/sOOM
Q5_K_M5.68 bpw24.85 GB1.61 GB28.08 GB (234%)0 t/sOOM
Q4_K_M4.8 bpw21 GB1.61 GB24.1 GB (201%)0 t/sOOM
FP44.25 bpw18.55 GB1.61 GB21.56 GB (180%)0 t/sOOM
IQ3_XS3.3 bpw14.35 GB1.61 GB17.21 GB (143%)0 t/sOOM

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FAQ & Reference

Frequently Asked Questions: Qwen 3.6 35B-A3B MoE on NVIDIA GeForce RTX 5070 (12GB GDDR7)

How much VRAM does Qwen 3.6 35B-A3B MoE need on NVIDIA GeForce RTX 5070 (12GB GDDR7)?

At standard 4-bit quantization (Q4_K_M) with 32K context, Qwen 3.6 35B-A3B MoE requires 24.1 GB of total VRAM (weights + KV cache + CUDA runtime overhead).

What inference speed will Qwen 3.6 35B-A3B MoE achieve on NVIDIA GeForce RTX 5070 (12GB GDDR7)?

Based on NVIDIA GeForce RTX 5070 (12GB GDDR7)'s 672 GB/s memory bandwidth, expected decode speed is approximately 0 tokens per second.

Can I expand context beyond 32K tokens?

Each additional 32K tokens of context requires additional KV cache memory. For longer context windows, consider 8-bit or 4-bit KV cache quantization.