Unverified50% confidenceFactExact time
RTX 4090搭载的GDDR6X显存由美光（Micron）开发，采用PAM4信号编码，带宽超过1000 GB/s（1008 GB/s）
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Related Claims
UnverifiedThe RTX 4090's GDDR6X memory interface bandwidth reaches up to 1008 GB/s82% similarVerifiedRTX A6000基于Ampere架构，搭载10496个CUDA核心与48GB GDDR6显存，带宽768 GB/s，FP32算力38.7 TFLOPS78% similarUnverifiedRTX 5080配备16GB GDDR7显存73% similarVerifiedRTX 4090的理论FP16算力为82.6 TFLOPS，显存带宽为1008 GB/s73% similarUnverifiedMobile LPDDR5X memory bandwidth is approximately 77 GB/s, far below the RTX 4090's 1008 GB/s.73% similar
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