主用規格通信速度比較

{|class="wikipedia"
!規格名!!説明!!Bit数!!周波数!!etc!!論理最大速度<br>片方向!!論理最大速度<br>双方向
|-
|GDDR5||RADEON HD5870||256bit||4.8Ghz||||153.6GB/sec||
|-
|HyperTransport 3.1||||32bit||6.4Ghz||||25.6GB/sec||51.2GB/sec
|-
|PCI-Express3.0 16x||||||8Ghz||16Lane||16GB/sec||32GB/sec
|-
|DDR3-1600||||64bit||1600Mhz||||12.8GB/sec||
|-
|QPI||Corei7 Extreme||16bit||6.4Ghz||||12.8GB/sec||25.6GB/sec
|-
|DDR3-1333||||64bit||1333Mhz||||10.7GB/sec||
|-
|FSB||Core2 Extreme||64bit||1333Mhz||||10.7GB/sec||
|-
|HyperTransport 3.0||SocketAM2/AM2+/AM3||16bit||5.2GHz||||10.4GB/sec||20.8GB/sec
|-
|QPI||Corei7||16bit||4.8Ghz||||9.6GB/sec||19.2GB/sec
|-
|PCI-Express2.0 16x||||||||16Lane||8GB/sec||16GB/sec
|-
|FSB||Core2||64bit||1066Mhz||||8.5GB/sec||
|-
|DDR2-1066||||64bit||1066Mhz||||8.5GB/sec||
|-
|DDR2-800||||64bit||800Mhz||||6.4GB/sec||
|-
|PCI-Express1.1 16x||||||||16Lane||4GB/sec||8GB/sec
|-
|HyperTransport 2.0||Socket939||16bit||2Ghz||||4GB/sec||8GB/sec
|-
|DDR-400||||64bit||400Mhz||||3.2GB/sec||
|-
|DisplayPort1.2||Display接続端子||||||||2.7GB/sec||
|-
|AGP 8x||||32bit||533Mhz||||2.13GB/sec||
|-
|HDMI 1.4||||||||||1.275GB/sec||
|-
|10Gbps Ethernet||||||||||1.25GB/sec||
|-
|PCI-Express3.0 1x||||||8Ghz||||1GB/sec||2GB/sec
|-
!colspan="7"|通信速度が1GB/sec以下
|-
|Serial ATAⅢ||||||||||600MB/sec||
|-
|USB 3.0||||||||||500MB/sec||
|-
|PCI-Express2.0 1x||||||||||500MB/sec||1GB/sec
|-
|Serial ATAⅡ||||||||||300MB/sec||
|-
|PCI-Express1.1 1x||||||||||250MB/sec||500MB/sec
|-
|FiberChannel||FC2||||||||200MB/sec||
|-
|Serial ATA||||||||||150MB/sec||
|-
|Ultra ATA133||||||||||133MB/sec||
|-
|PCI v2.3||||32bit||33Mhz||||133MB/sec||
|-
|FTTH(1Gbps)||||||||||125MB/sec||
|-
|1Gbps Ethernet||||||||||125MB/sec||
|-
|IEEE1394b s800||||||||||100MB/sec||
|-
|FiberChannel||FC1||||||||100MB/sec||
|-
|USB 2.0||||||||||60MB/sec||
|-
|IEEE1394a s400||Firewire/i.Link||||||||50MB/sec||
|-
|IEEE802.11n||無線||||||||37.5MB/sec||
|-
|FTTH(100Mbps)||||||||||12.5MB/sec||
|-
|100Mbps Ethernet||||||||||12.5MB/sec||
|-
|ADSL(50Mbps)||||||||||6.25MB/sec||
|-
|USB 1.1||||||||||1.5MB/sec||
|-
!colspan="7"|低速(1MB/sec以下)
|-
|ISDN||||||||||8KB/sec||
|}