GPU × local model compatibility
Can RTX 4070 12GB run Qwen 3 8B?
Yes — it can run.
The RTX 4070's 12GB VRAM is a comfortable target for Qwen 3 8B Q4 while keeping an 8K context practical.
7.51GBVRAM required
12.00GBAvailable memory
4.49GBMemory headroom
Q4_K_MRecommended quantization
8KContext
A lighter Q6_K / 8K configuration also fits.
Calculated estimate, not a measured benchmark.