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Can a RX 7800 XT 16GB run Qwen3 32B?

Yes, with partial offload (slower). Qwen3 32B on RX 7800 XT 16GB at Q4_K_M uses system RAM (22.2 GB needed, 15.5 GB usable), about 5 tok/s (estimate).

Hardware: RX 7800 XT 16GB · Model: Qwen3 32B

RX 7800 XT 16GB has 16 GB of VRAM and 624 GB/s of memory bandwidth. The checker holds back 0.5 GB of VRAM for the driver and assumes 16 GB of system RAM, so fast memory usable by Ollama is 15.5 GB. Partial offload may also use 60% of that system RAM. Qwen3 32B (32.8B, Alibaba) at Q4_K_M is a 20 GB download and needs 22.2 GB with headroom for about 8k tokens.

Best quantQ4_K_M
Download size20 GB
Memory needed22.2 GB
Usable fast memory15.5 GB
Fitpartial offload (slower)
Estimated speed~5 tok/s (estimate)
Commandollama run qwen3:32b
Open RX 7800 XT 16GB in the checker

Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.

A project by OnDevice Labs · llms.txt