What GPU do you need to run Qwen3.5 27B?
27B params 256K max context VisionTool useReasoning
The smallest GPU memory that runs Qwen3.5 27B well is 18 GB (Q4_K_M, e.g. M3 Pro). 47 of 132 GPUs run it well and 25 more are a tight fit.
MMLU 86.1 SWE-bench Verified 72.4
VRAM needed per quantization
| Quantization | Weights | 16K context | 32K context | Full 256K |
|---|---|---|---|---|
| Q4_K_M | 15.6 GB | 16.6 GB | 17.5 GB | 31.2 GB |
| Q8_0 | 26.6 GB | 27.6 GB | 28.6 GB | 42.2 GB |
Weights plus fp16 KV cache. Leave ~1 GB headroom for the inference engine.
Cheapest GPUs that can run Qwen3.5 27B
Lowest launch MSRP among GPUs that run its smallest quantization (Q4_K_M) well, with at least 16K context.
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GPUs that can run Qwen3.5 27B
Best quantization that fits on each GPU, with the context and speed it gets. For chips with several memory sizes, the smallest that works is shown.
NVIDIA
- RTX 4060 Ti 16GB 16 GB Q4_K_M 6K context · ~17 tok/s tight fit
- RTX 4070 Ti SUPER 16 GB Q4_K_M 6K context · ~41 tok/s tight fit
- RTX 4080 16 GB Q4_K_M 6K context · ~43 tok/s tight fit
- RTX 4080 SUPER 16 GB Q4_K_M 6K context · ~44 tok/s tight fit
- RTX 5060 Ti 16GB 16 GB Q4_K_M 6K context · ~27 tok/s tight fit
- RTX 5070 Ti 16 GB Q4_K_M 6K context · ~54 tok/s tight fit
- RTX 5080 16 GB Q4_K_M 6K context · ~58 tok/s tight fit
- RTX 2000 Ada 16 GB Q4_K_M 6K context · ~14 tok/s tight fit
- RTX A4000 16 GB Q4_K_M 6K context · ~27 tok/s tight fit
- RTX PRO 2000 Blackwell 16 GB Q4_K_M 6K context · ~17 tok/s tight fit
- Tesla T4 16 GB Q4_K_M 6K context · ~19 tok/s tight fit
- Tesla V100 16GB 16 GB Q4_K_M 6K context · ~54 tok/s tight fit
- RTX 4000 Ada 20 GB Q4_K_M 72K context · ~22 tok/s
- RTX 3090 24 GB Q4_K_M 137K context · ~56 tok/s
- RTX 3090 Ti 24 GB Q4_K_M 137K context · ~61 tok/s
- RTX 4090 24 GB Q4_K_M 137K context · ~61 tok/s
- RTX 4500 Ada 24 GB Q4_K_M 137K context · ~26 tok/s
- RTX A5000 24 GB Q4_K_M 137K context · ~46 tok/s
- RTX PRO 4000 Blackwell 24 GB Q4_K_M 137K context · ~41 tok/s
- RTX Spark 24 GB Q4_K_M 137K context · ~18 tok/s
- Tesla P40 24 GB Q4_K_M 137K context · ~21 tok/s
- RTX 5090 32 GB Q8_0 88K context · ~65 tok/s
- RTX 5000 Ada 32 GB Q8_0 88K context · ~21 tok/s
- RTX PRO 4500 Blackwell 32 GB Q8_0 88K context · ~32 tok/s
- Tesla V100 32GB 32 GB Q8_0 88K context · ~33 tok/s
- L40S 48 GB Q8_0 256K context · ~31 tok/s
- RTX 6000 Ada 48 GB Q8_0 256K context · ~35 tok/s
- RTX A6000 48 GB Q8_0 256K context · ~28 tok/s
- RTX PRO 5000 Blackwell 48 GB Q8_0 256K context · ~49 tok/s
- RTX PRO 5000 Blackwell 72GB 72 GB Q8_0 256K context · ~49 tok/s
- RTX PRO 5500 Blackwell 84 GB Q8_0 256K context · ~51 tok/s
- RTX PRO 6000 Blackwell 96 GB Q8_0 256K context · ~65 tok/s
- DGX Spark (GB 10) 128 GB Q8_0 256K context · ~10 tok/s
AMD
- AMD BC-250 16 GB Q4_K_M 6K context · ~27 tok/s tight fit
- Radeon RX 6800 16 GB Q4_K_M 6K context · ~31 tok/s tight fit
- Radeon RX 6800 XT 16 GB Q4_K_M 6K context · ~31 tok/s tight fit
- Radeon RX 6900 XT 16 GB Q4_K_M 6K context · ~31 tok/s tight fit
- Radeon RX 6950 XT 16 GB Q4_K_M 6K context · ~35 tok/s tight fit
- Radeon RX 7600 XT 16 GB Q4_K_M 6K context · ~17 tok/s tight fit
- Radeon RX 7800 XT 16 GB Q4_K_M 6K context · ~38 tok/s tight fit
- Radeon RX 7900 GRE 16 GB Q4_K_M 6K context · ~35 tok/s tight fit
- Radeon RX 9060 XT 16GB 16 GB Q4_K_M 6K context · ~19 tok/s tight fit
- Radeon RX 9070 16 GB Q4_K_M 6K context · ~39 tok/s tight fit
- Radeon RX 9070 XT 16 GB Q4_K_M 6K context · ~39 tok/s tight fit
- Radeon RX 7900 XT 20 GB Q4_K_M 72K context · ~48 tok/s
- Radeon RX 7900 XTX 24 GB Q4_K_M 137K context · ~58 tok/s
- Radeon AI PRO R9700 32 GB Q8_0 88K context · ~23 tok/s
- Ryzen AI Max (Strix Halo) 32 GB Q8_0 88K context · ~9 tok/s
- Ryzen AI Max 400 (Gorgon Halo) 64 GB Q8_0 256K context · ~10 tok/s
Intel
- Arc A770 16GB 16 GB Q4_K_M 6K context · ~34 tok/s tight fit
- Arc Pro B65 32 GB Q8_0 88K context · ~22 tok/s
- Arc Pro B70 32 GB Q8_0 88K context · ~22 tok/s
Apple
- M1 16 GB Q4_K_M 6K context · ~4 tok/s tight fit
- M3 Pro 18 GB Q4_K_M 39K context · ~9 tok/s
- M2 24 GB Q4_K_M 137K context · ~6 tok/s
- M3 24 GB Q4_K_M 137K context · ~6 tok/s
- M4 24 GB Q4_K_M 137K context · ~7 tok/s
- M4 Pro 24 GB Q4_K_M 137K context · ~16 tok/s
- M5 24 GB Q4_K_M 137K context · ~9 tok/s
- M5 Pro 24 GB Q4_K_M 137K context · ~19 tok/s
- M6 24 GB Q4_K_M 137K context · ~10 tok/s
- M1 Max 32 GB Q8_0 88K context · ~14 tok/s
- M1 Pro 32 GB Q8_0 88K context · ~7 tok/s
- M2 Max 32 GB Q8_0 88K context · ~14 tok/s
- M2 Pro 32 GB Q8_0 88K context · ~7 tok/s
- M3 Max 36 GB Q8_0 153K context · ~11 tok/s
- M4 Max 36 GB Q8_0 153K context · ~15 tok/s
- M5 Max 36 GB Q8_0 153K context · ~17 tok/s
- M1 Ultra 64 GB Q8_0 256K context · ~29 tok/s
- M2 Ultra 64 GB Q8_0 256K context · ~29 tok/s
- M3 Ultra 96 GB Q8_0 256K context · ~30 tok/s
- M5 Ultra 96 GB Q8_0 256K context · ~43 tok/s