Connection
type and
or line type. May also
include most used
type by country.
Data transfer rate
comparison, which is usually not guaranteed by the
provider.
**Approximate
time to download
a 5 MB (Megabyte)
file which is also equal to:
41,943,040 bits.
Times
faster
than a 56.6K
dial-up modem
Times
faster
than a standard
768 Kbps DSL
++Theoretical
Max: bps
(bits per second)
Description
Download in:
bits /sec.
Upload in:
bits /sec.
Time
Transfer
Times
faster
Times
faster
14.4K
Modem V.32bis
14,400
14,400
48min. 32
sec.
0
0
28.8K
Modem V.34
28,800
28,800
24min. 16
sec.
0
0
33.6K
Modem V.34+
33,600
33,600
20min. 48
sec.
0
0
56.6K
Modem V.90, USR x2
*53,000
33,600
13
min. 11 sec.
0
0
56.6K
Modem K56Flex
*53,000
40,000
13min. 11
sec.
0
0
56.6K
Modem V.92
*53,000
48,000
13min. 11
sec.
0
0
BRI
64K ISDN
65,535
65,535
10 min. 40 sec.
1.23
0
Fractional
T-1
128,000
128,000
5 min. 27 sec.
2.41
0
BRI
128k ISDN
131,072
131,072
5 min. 20 sec.
2.47
0
Average DSL
256,000
128,000
2
min. 43 sec.
4.8
0
Covad
Telesurfer DSL
384,000
128,000
1
min. 49 sec.
7.2
0
Fast
DSL
512,000
256,000
1
min. 22 sec.
9.6
0
Verizon DSL
768,000
256,000
55
sec.
14.4
0
SBC
Yahoo! DSL
768,000
256,000
55
sec.
14.4
0
Frame
Relay
768,000
768,000
55
sec.
14.4
0
High
Speed DSL
896,000
256,000
47
sec.
16.9
1.16
Comcast Cable
1.5/256
1,544,000
256,000
27
sec.
29.1
2.01
SBC
Yahoo! DSL Expert 1.5/384
1,544,000
384,000
27
sec.
29.1
2.01
T-1/DS-1/1.544
Mbps
1,544,000
1,544,000
27 sec.
29.1
2.01
Time Warner Cable Business Class
1.5 Mbps X 1.5 Mbps
Premium Business
1,544,000
1,544,000
27
sec.
29.1
2.01
E-1
Europe and Asia
2,048,000
2,048.000
20 sec.
38.6
2.66
Road Runner
Residential
3 Mbps X 384 Kbps
3,000,000
384,000
14 sec.
56.6
3.90
Time Warner Cable Business Class
3 Mbps X 512 Kbps
Small Business
3,000,000
512,000
14
sec.
56.6
3.90
Time Warner Cable Business Class
3 Mbps X 768 Kbps
Small Business Advantage
3,000,000
768,000
14
sec.
56.6
3.90
Time Warner Cable Business Class
3 Mbps X 1.5 Mbps
Enterprise
3,000,000
1,544,000
14
sec.
56.6
3.90
Time Warner Cable Business Class
4 Mbps X 2 Mbps
Enterprise Plus
4,000,000
2,000,000
10
sec.
75.4
5.20
Time Warner Cable Business Class
6 Mbps X 2 Mbps
Enterprise Expanded
6,000,000
2,000,000
6.67 sec.
107.1
7.8
T-2/DS-2/6.3
Mbps
6,300,000
6,300,000
7
sec.
118.8
8.20
E-2
Europe and Asia
8,448,000
8,448.000
5 sec.
159.3
11
E-3
Europe and Asia
34,368,000
34,368.000
1.2 sec.
648.4
44.75
T-3/DS-3/44.7
Mbps
44,736,000
44,736,000
0.93sec.
844.0
58.25
Sonet/OC-1 Optical
Fiber
51,850,000
51,850,000
0.81
sec.
978.3
67.51
Sonet/OC-3 Optical
Fiber
155,520,000
155,520,000
0.27
sec.
2,934
202.5
T-4/DS-4/2.74
Gbps
274,000,000
274,000,000
0.15
sec.
5,168
356.7
Sonet/OC-12 Optical
Fiber
622,080,000
622,080,000
0.06
sec.
11,737
810
Sonet/OC-48 Optical
Fiber
2,488,320,000
2,488,320,000
0.01
sec.
46,949
3,240
Sonet/OC-96 Optical
Fiber
4,976,640,000
4,976,640,000
0.008
sec.
93,898
6,480
Sonet/OC-192 Optical
Fiber
9,953,280,000
9,953,280,000
0.004
sec.
187,797
12,960
Sonet/OC-255 Optical
Fiber
13,219,200,000
13,219,200,000
0.003 sec.
249,418
17,212
Table Notes
The 56.6K modem has
been the standard modem since 1998.
The math for calculating times faster than a 56.6K modem for
example would be:
3 Mbps or 3,000,000 / 53,000 = 56.6 times faster. An easier way
to calculate the
times faster is to simply multiply 18.86 x every 1 Mbps. So
18.86 x 4 Mbps = 75.4
*FCC
limited 56.6K modems to an actual 53K download maximum in
1996.
The V.90 technology came out it 1998 and V.92 came along later in
2000.
**Average speeds
will vary dependent upon: user hardware, data line
condition,
ISP
hardware, Internet traffic,
interconnecting server loads, and target server load.
Average download times are usually longer due to general server
loads and traffic.
++ Theoretical max only exists when all variables and conditions
are aligned. Very few
people, even with the best of hardware and line conditions,
rarely achieve this max. i.e. the
typical 56.6K modem download usually falls into the average
range of 42K to 52K bits/sec.
or 5.1 KB/sec. to 6.3 KB/sec. when downloading a file size of
1MB or more.
Telecommunication
Measurement Guide
Note: The telecommunication industry uses the measurement system
for data
rate and does not use the same system as in binary computing for
storage. Data
transmission includes a start/stop bit ahead and behind the 8
characters, therefore
increments of 10 are used rather than the computing field use in
powers of two.
Hence, a kilobit is equal to 1,000 bits and not 1,024 bits.
Mbps is equal to 1,000,000 bits per second not 1,048,576 bits per
second.
bit =
Smallest unit with either the binary digit value of 0 or 1. bps = bits per second - data amount to pass a
single point/sec. Kbps = kilobits per second
= 1,000 (one thousand) bits per second Mbps = megabits per second
= 1,000,000 (one million) bits per second Gbps = gigabits per second =
1,000,000,000 (one billion) bits per
second Tbps = tera bits per second =
1,000,000,000,000 (one trillion) bits per
second
Computer File Size Measurement Guide B = byte is equal to 8 bits KB = kilobyte is equal to 1,024 bytes or 8,192
bits MB = megabyte is equal to 1,024 kilobytes or 8,388,608 bits 5 MB = 5 megabytes is equal to 5,120 kilobytes
or 41,943,040 bits
