How fast will Gemma 4 26B A4B feel on the NVIDIA DGX Spark 128GB?

Gemma 4 26B A4B on the NVIDIA DGX Spark 128GB

Gemma 4 26B A4B is a 25.81B-parameter mixture-of-experts model (3.8B active per token). At Q4_K_M it needs about 17.7 GB of memory. The NVIDIA DGX Spark 128GB has 119 GB usable, so it fits entirely in memory. Expect about 44 tokens/sec (16–72), with the first token after 0.3 s for a short prompt. This estimate is interpolated from benchmarks of similar setups.

Speed by quantization

QuantizationFile sizeMemoryGenerationFirst tokenSource
Q4_K_M16.9 GBFits44 tok/s0.3 sDerived
Q8_026.9 GBFits28 tok/s0.3 sDerived
FP1650.5 GBFits15 tok/s0.3 sDerived

Gemma 4 26B A4B on other hardware

Other models on the NVIDIA DGX Spark 128GB

All models on the NVIDIA DGX Spark 128GB · Gemma 4 26B A4B 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.