Verified80% confidenceFactTime unknown
The CPU and GPU of DGX Spark share up to 128 GB of LPDDR5X memory, achieving memory-coherent access via NVLink-C2C high-speed interconnect.
4
Sources
80%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Gemma 4 + DGX Spark：开源大模型与桌面级算力如何改变AI开发
twitterNVIDIAAIDev
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Related Claims
UnverifiedThe memory bandwidth of DGX Spark is lower than that of data center GPUs.77% similarUnverifiedThe DGX Spark (GB10) has 128 GB of unified memory and can run Nemotron 3.5 Super VL using the official NVFP4 + vLLM + LiLiCorr drafter.74% similarUnverifiedRTX Spark platform laptops typically use a unified memory architecture shared between CPU and GPU (similar to Apple's Unified Memory).73% similarVerifiedNVLink-C2C technology enables high-speed interconnection between CPU and GPU.72% similarVerifiedThe DGX Spark is equipped with the GB10 Grace Blackwell Superchip, 128 GB of unified memory (LPDDR5x), and officially delivers up to 1 PetaFLOP (FP4 precision) of AI compute.71% similar
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