Verified65% confidenceFactExact time
英伟达GB300 Blackwell Ultra GPU集成两颗GPU芯片与一颗Grace CPU，通过NVLink-C2C互联，内存带宽可达8TB/s以上，推理性能相比H100提升4至5倍
3
Sources
65%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
Unverified英伟达GB300 GPU是Blackwell架构旗舰型号，集成双颗B200 GPU芯片与Grace CPU，相比H100的FP8训练吞吐量提升约4倍85% similarUnverifiedGB10 Grace Blackwell超级芯片将ARM架构的Grace CPU与Blackwell GPU通过NVLink-C2C片间互联技术融合在同一封装中79% similarUnverifiedGB300超级芯片基于NVIDIA的Grace Blackwell架构，将CPU与GPU通过高带宽互联整合，形成统一的内存寻址空间79% similarUnverifiedBlackwell采用双芯片互联设计，两颗GPU裸片通过10TB/s的芯片间互联（NV-HBI）连接，在操作系统层面呈现为单一逻辑GPU78% similarUnverifiedGB200 NVL72将72个基于Blackwell架构的GPU通过NVLink高速互连技术组合，提供高达1.4exaFLOPS的AI推理性能78% similar
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