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NVIDIA DGX Spark (128GB)

The NVIDIA DGX Spark (128GB) has 128GB VRAM and 273 GB/s memory bandwidth. It can run 49 of our 54 tracked models natively in VRAM at 8k context.

VendorNVIDIA
ArchitectureGrace Blackwell
VRAM128 GB (unified)
Memory typeLPDDR5X
Memory bandwidth273 GB/s
Compute backendCUDA
TierWorkstation
Released2025
Models (native)49 / 54
Models (offload)0 / 54
Software: ARM-based Grace CPU + Blackwell GPU share unified memory. llama.cpp CUDA backend works; NVIDIA NIM microservices also supported.

Models this GPU runs natively in VRAM (49)

Too large for this GPU (5)