Mac Studio M5 Ultra vs 2x DGX Spark
for DeepSeek V4 Flash
- DGX Sparks: 2.41x faster on prefill (compute-bound)
- Mac Studio M5 Ultra: 6.4% faster on generation (bandwidth-bound)
Time to first token
- Spark 1.3s
- Mac 2.9s
Of course, the Mac M5 doesn't have optimized kernels