Difference between revisions of "Bandwidth"

From Noah.org
Jump to: navigation, search
(New page: Category:Engineering {| style="text-align:left;" |- ! align="left" | <big>Connection</big> ! <big>Bit</big> ! <big>Bytes</big> ! <big>Real World Expected Throughput</big> |- | TTY ([[...)
 
Line 8: Line 8:
 
! <big>Real World Expected Throughput</big>
 
! <big>Real World Expected Throughput</big>
 
|-
 
|-
| TTY ([[V.18]]) || '''0.045 kbit/s''' || TTY uses a Baudot_code code, not ASCII. This uses 5 bits per character instead of 8, plus one start and 1.5 stop bits (7.5 total bits per character sent). || 6 characters/sec ||
+
| TTY (V.18) || '''0.045 kbit/s''' || TTY uses a Baudot_code code, not ASCII. This uses 5 bits per character instead of 8, plus one start and 1.5 stop bits (7.5 total bits per character sent). || 6 characters/sec ||
 
|-
 
|-
 
| Modem 300 (300 baud) (Bell 103 or V.21) || '''0.3 kbit/s''' || 0.03 kB/s (~30 cps) ||
 
| Modem 300 (300 baud) (Bell 103 or V.21) || '''0.3 kbit/s''' || 0.03 kB/s (~30 cps) ||
 
|-
 
|-
| Modem 56k (8000/8000 baud) (V.92) || '''56.0/48.0 kbit/s''' || 5.6/4.8 kB/s ||
+
| Modem 56k (V.92) || '''56.0/48.0 kbit/s''' || 5.6/4.8 kB/s ||
 
|-
 
|-
 
| DS1/T1 || '''1.544 Mbit/s''' || 0.192 MB/s ||
 
| DS1/T1 || '''1.544 Mbit/s''' || 0.192 MB/s ||
Line 24: Line 24:
 
| OC3 || '''155.52 Mbit/s''' || 19.44 MB/s ||
 
| OC3 || '''155.52 Mbit/s''' || 19.44 MB/s ||
 
|-
 
|-
| Ethernet (10base-X) || '''10 Mbit/s''' || 1.25 MB/s ||
+
| Ethernet (10base-X) || '''10 Mbit/s''' || 1.25 MB/s || 6 Mbit/s (0.75 MB/s)
 
|-
 
|-
| Fast Ethernet (100base-X) || '''100 Mbit/s''' || 12.5 MB/s ||
+
| Fast Ethernet (100base-X) || '''100 Mbit/s''' || 12.5 MB/s || 60 Mbit/s (7.50 MB/s)
 
|-
 
|-
| Gigabit Ethernet (1000base-X) || '''1000 Mbit/s''' || 125 MB/s ||
+
| Gigabit Ethernet (1000base-X) || '''1000 Mbit/s''' || 125 MB/s || 600 Mbit/s (75 MB/s)
 
|-
 
|-
 
| 802.11b DSSS 0.125|| '''11.0 Mbit/s''' || 1.375 MB/s ||
 
| 802.11b DSSS 0.125|| '''11.0 Mbit/s''' || 1.375 MB/s ||

Revision as of 16:01, 31 July 2008


Connection Bit Bytes Real World Expected Throughput
TTY (V.18) 0.045 kbit/s TTY uses a Baudot_code code, not ASCII. This uses 5 bits per character instead of 8, plus one start and 1.5 stop bits (7.5 total bits per character sent). 6 characters/sec
Modem 300 (300 baud) (Bell 103 or V.21) 0.3 kbit/s 0.03 kB/s (~30 cps)
Modem 56k (V.92) 56.0/48.0 kbit/s 5.6/4.8 kB/s
DS1/T1 1.544 Mbit/s 0.192 MB/s
T2 6.312 Mbit/s 0.789 MB/s
T3 44.736 Mbit/s 5.5925 MB/s
OC1 51.84 Mbit/s 6.48 MB/s
OC3 155.52 Mbit/s 19.44 MB/s
Ethernet (10base-X) 10 Mbit/s 1.25 MB/s 6 Mbit/s (0.75 MB/s)
Fast Ethernet (100base-X) 100 Mbit/s 12.5 MB/s 60 Mbit/s (7.50 MB/s)
Gigabit Ethernet (1000base-X) 1000 Mbit/s 125 MB/s 600 Mbit/s (75 MB/s)
802.11b DSSS 0.125 11.0 Mbit/s 1.375 MB/s
802.11a 0.75 54.0 Mbit/s 6.75 MB/s
802.11n 248.0 Mbit/s 31 MB/s
PCI 32-bit/33 MHz 1,067 Mbit/s 133.33 MB/s
PCI 64-bit/100 MHz 6,399 Mbit/s 800 MB/s
Serial ATA (SATA-150) 1,500 Mbit/s 187.5 MB/s
Serial ATA (SATA-300) 3,000 Mbit/s 375 MB/s
Serial Attached SCSI (SAS) 3,000 Mbit/s 375 MB/s
RS-232 Serial max 0.2304 Mbit/s 0.0288 MB/s
USB Hi-Speed (USB 2.0) 480 Mbit/s 60 MB/s
eSATA (SATA 300) 2,400 Mbit/s 300 MB/s
PC2100 DDR-SDRAM (single channel) 16.8 Gbit/s 2.1 GB/s
PC3200 DDR-SDRAM (single channel) 25.6 Gbit/s 3.2 GB/s
PC2100 DDR-SDRAM (dual channel) 33.6 Gbit/s 4.2 GB/s
PC3200 DDR-SDRAM (dual channel) 51.2 Gbit/s 6.4 GB/s