RTX PRO 5000 Blackwell 48GBBudget pick1344 GB/s (+544)
C
Raises estimated decode speed by about 144%.52.9 tok/s decode
Raises estimated decode speed by about 144%.
~$4,999 MSRP
Qwen3.5 35B A3B needs ~33.3 GB VRAM. Mac Studio M2 Ultra 64GB has 46.1 GB. With Q4_K_M quantization, expect ~22 tok/s.
Operating mode
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
21.7 tok/s
TTFT
8908 ms
Safe context
66K
Memory
33.3 GB / 46.1 GB
This setup is broadly balanced for this model.
Shared-memory contention still exists
The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 21.7 tok/s | 4859 ms | 66K |
| Coding | C | Runs well | 21.7 tok/s | 8908 ms | 66K |
| Agentic Coding | C | Runs well | 21.7 tok/s | 12957 ms | 66K |
| Reasoning | C | Runs well | 21.7 tok/s | 10528 ms | 66K |
| RAG | C | Runs well | 21.7 tok/s | 16197 ms | 66K |
How Qwen3.5 35B A3B (35B params) fits at each quantization level on Mac Studio M2 Ultra 64GB (46.1 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 13.7 GB | Low | C45 |
Q3_K_S | 3 | 17.2 GB | Low | C46 |
NVFP4 | 4 |
Copy-paste commands to run Qwen3.5 35B A3B on your machine.
Run
docker run --rm -it ghcr.io/ggerganov/llama.cpp:full \
--hf-repo "lmstudio-community/Qwen3.5-35B-A3B-GGUF" \
--hf-file "Qwen3.5-35B-A3B-GGUF-Q4_K_M.gguf" \
-c 4096 -ngl 99Upgrade options
RTX PRO 5000 Blackwell 48GBBudget pickRaises estimated decode speed by about 144%.
~$4,999 MSRP
RTX 6000 Ada 48GBBest valueRaises estimated decode speed by about 70%.
~$6,800 MSRP
Yes, Mac Studio M2 Ultra 64GB can run Qwen3.5 35B A3B with a C grade (Runs well). Expected decode speed: 21.7 tok/s.
Qwen3.5 35B A3B (35B parameters) requires approximately 33.3 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen3.5 35B A3B is Q4_K_M, which balances quality and memory efficiency.
On Mac Studio M2 Ultra 64GB, Qwen3.5 35B A3B achieves approximately 21.7 tokens per second decode speed with a time-to-first-token of 8908ms using Q4_K_M quantization.
For coding workloads, Qwen3.5 35B A3B on Mac Studio M2 Ultra 64GB receives a C grade with 21.7 tok/s and 66K context.
On Mac Studio M2 Ultra 64GB, Qwen3.5 35B A3B can safely use up to 66K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/hf-lmstudio-community--qwen3-5-35b-a3b-gguf-on-m2-ultra-64gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
19.6 GB |
| Medium |
| C47 |
Q4_K_M | 4 | 21.3 GB | Medium | C47 |
Q5_K_M | 5 | 25.2 GB | High | C49 |
Q6_K | 6 | 28.7 GB | High | C48 |
Q8_0Best for your GPU | 8 | 37.5 GB | Very High | C48 |
F16 | 16 | 71.8 GB | Maximum | F0 |
Not always. Mac Studio M2 Ultra 64GB can often fit larger models thanks to unified memory, but a discrete GPU with dedicated high-bandwidth VRAM may still decode faster once the model fits. For this combination, the important distinction is capacity versus sustained throughput.