MODEL ARCHITECTURE SPEC โ€ข ALIBABA CLOUD35B MoE

Qwen 3.6 35B-A3B MoE VRAM & inference speed

35B Total Params3B Active (MoE)48 Layers โ€ข 4 KV Heads32K Default Ctx (Max 128K)Ollama: qwen3.6:35b-a3b

Accurate memory requirements, KV cache footprint, and tokens/sec generation benchmarks for running Qwen 3.6 35B-A3B MoE across local GPUs, Apple Silicon Macs, and cloud instances.

โœ… Runs 100% in GPU VRAM (Optimal Headroom)24.1 GB (45%)~78 t/s

Model & Target Hardware

interactive
Ultra-Fast 100+ tok/s Coding & Local RAG on 24GB GPUs
Qwen 3.6 35B-A3B MoE on Apple Mac Mini M4 Pro (64GB Unified Memory)

โœ“ Fits Comfortably in VRAM

โœ“ FITS IN VRAM
Required VRAM
24.1 GB
45% of hardware capacity (54 GB)
Est. Decode Speed
~78 tok/s
3B active params @ 273 GB/s
Available Headroom
+29.9 GB
Safe for OS display & full context
Memory Allocation & Headroom
24.1 GB allocated of 54 GB capacity
45% utilized
Weights: 21 GB
KV: (32K): 1.61 GB
Overhead: 1.49 GB
Free Headroom: +29.9 GB
โšก Architecture & Throughput Transparency: Single-user decode speed (~78 tok/s) is memory-bandwidth bound at batch size = 1 on Apple Mac Mini M4 Pro (64GB Unified Memory) (273 GB/s). Prompt prefill / TTFT (~1,131 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

Quantization Precision Matrix

32K ctx โ€ข KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw70 GB1.61 GB74.81 GB (139%)0 t/sOOM
Q8_08.5 bpw37.1 GB1.61 GB40.76 GB (75%)~48 t/sFITS
Q6_K6.56 bpw28.7 GB1.61 GB32.06 GB (59%)~60 t/sFITS
Q5_K_M5.68 bpw24.85 GB1.61 GB28.08 GB (52%)~68 t/sFITS
Q4_K_M4.8 bpw21 GB1.61 GB24.1 GB (45%)~78 t/sFITS
FP44.25 bpw18.55 GB1.61 GB21.56 GB (40%)~86 t/sFITS
IQ3_XS3.3 bpw14.35 GB1.61 GB17.21 GB (32%)~105 t/sFITS

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Hardware Compatibility Matrix for Qwen 3.6 35B-A3B MoE

Standard Q4_K_M precision with 32K context window and Q8_0 KV cache

12 Systems Benchmarked
Hardware SystemVRAM EnvelopeRequired VRAMHeadroomEst. Decode SpeedCompatibilityTest Fit
NVIDIA GeForce RTX 5090 (32GB GDDR7)
Consumer GPU โ€ข 1792 GB/s
32 GB24.1 GB+7.9 GB~553 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 4090 (24GB GDDR6X)
Consumer GPU โ€ข 1008 GB/s
24 GB24.1 GB-0.1 GB~68 tok/sโšก PARTIALTest Fit โ†’
2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)
Multi-GPU Rig โ€ข 936 GB/s
48 GB24.1 GB+23.9 GB~263 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 5080 (16GB GDDR7)
Consumer GPU โ€ข 960 GB/s
16 GB24.1 GB-8.1 GB0 (OOM)โœ• OOMTest Fit โ†’
NVIDIA RTX 4070 Ti Super (16GB)
Consumer GPU โ€ข 672 GB/s
16 GB24.1 GB-8.1 GB0 (OOM)โœ• OOMTest Fit โ†’
NVIDIA GeForce RTX 3060 (12GB)
Consumer GPU โ€ข 360 GB/s
12 GB24.1 GB-12.1 GB0 (OOM)โœ• OOMTest Fit โ†’
Apple Mac Mini M4 Pro (64GB Unified Memory)
Apple Silicon โ€ข 273 GB/s
54 GB24.1 GB+29.9 GB~78 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M4 Max (128GB Unified Memory)
Apple Silicon โ€ข 546 GB/s
112 GB24.1 GB+87.9 GB~159 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M5 Ultra (256GB Unified Memory)
Apple Silicon โ€ข 890 GB/s
236 GB24.1 GB+211.9 GB~259 tok/sโœ“ FITSTest Fit โ†’
AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)
Unified APU / Mini-PC โ€ข 256 GB/s
110 GB24.1 GB+85.9 GB~65 tok/sโœ“ FITSTest Fit โ†’
NVIDIA DGX Spark (128GB Grace-Blackwell Unified)
AI Appliance โ€ข 273 GB/s
118 GB24.1 GB+93.9 GB~83 tok/sโœ“ FITSTest Fit โ†’
NVIDIA H100 SXM (80GB HBM3 Cloud GPU)
Datacenter Cloud GPU โ€ข 3350 GB/s
80 GB24.1 GB+55.9 GB~1095 tok/sโœ“ FITSTest Fit โ†’