摘要:IntelQPI和UPI的带宽8GT/s QPI的单向带宽:8GT/s*16bit/8=16GB/s 9.6GT/s QPI的双向带宽:9.6GT/s*16bit/8=19.2GB/s 10.4GT/s UPI的单向宽度:10.4GT/s*16bit/8=20.8GB/s PCIe X16 PCIeGen3的单向带宽8GT/s*16bit/8*128/130=16GB/s*128b/130b=15.75GB/s PCIe Gen4的单向带宽16GT/s*16bit/8*1单向PCIeGen4第5代28/130=32GB/s*128b/130b=31.51GB/sX16带宽也为:32GT/s*16bit/8*128/130=64GB/s*1128b/130b=63.01GB/sX16 32GT/s CXL单向带宽:32GT/s*16bit/8*128/130=64GB/s*128b/130b=66.01GB/sNVLink 1.0有4条链路,每条链路有8个Lans,单向带宽为:20GT/s*4Link*8Lan/8=80GB/sNVLink 2.0有6条链路,每个链路有8条Lans,单向带宽为:25GT/s*6Link*8Lan/8=150GB/s