Difference between revisions of "Bandwidth"
From Noah.org
Jump to navigationJump to 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 ( | + | | 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 | + | | 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 17:01, 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 |
