How fast will DeepSeek R1 Distill 14B feel on the AMD RX 7900 XT 20GB?

DeepSeek R1 Distill 14B on the AMD RX 7900 XT 20GB

DeepSeek R1 Distill 14B is a 14.77B-parameter model. At Q4_K_M it needs about 9.7 GB of memory. The AMD RX 7900 XT 20GB has 19 GB usable, so it fits entirely in memory. Expect about 56 tokens/sec (33–78), with the first token after 0.4 s for a short prompt. This estimate is interpolated from benchmarks of similar setups.

Speed by quantization

QuantizationFile sizeMemoryGenerationFirst tokenSource
Q4_K_M9.0 GBFits56 tok/s0.4 sDerived
Q8_015.7 GBFits32 tok/s0.4 sDerived
FP1629.6 GBPartial offload4.6 tok/s1.4 sProjected

DeepSeek R1 Distill 14B on other hardware

Other models on the AMD RX 7900 XT 20GB

All models on the AMD RX 7900 XT 20GB · DeepSeek R1 Distill 14B on all hardware

Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.