no, a modem is slow and you would be better buying a router
Yes, by far.
Cable modems are usually the fastest.
Verizon DSL Wireless
In the US modem speed is limited to 56K.
No, buying a more expensive modem will not increase your connection speed. In order to get a faster connection, a person needs to have a high speed connection, such as broadband or cable. Having a defective modem or router can slow down a person's speed if they already have broadband service.
CPU speed
They can be a great deal of different. The speed of the connection depends on, among other things, the modem being used. Generally the modem in a 'phone is not as fast as the modem connection in a PC
No. But the fastest possible speed can vary by Area!
Usually a cable modem is about 30 mbps and DSL can up to 768 kbps.
When your modem connects to the internet the current connection speed is stored in a memory space within the modem. If your device driver for the modem is a little buggy, Windows may sometimes mis-read this figure, and it will round to the nearest base-2 value. If you plug your modem in via USB, then upgrade the driver for your modem. If you connect via Network Switch or Router, then Windows will report the connection to the router, not the speed the modem is connected to the internet.
Suddenlink has recently doubled it's internet speed. Comcast is also claiming they are the fastest.
The fastest Internet connection in the world is found in Hong Kong in China. The average speed is 65.4 megabits per second.
It may not be so much the modem as the quality of the phone connection. What does the modem documentation indicate the speed to be? If it's a 56kb modem, and it's working, even at that slower speed, it's probably not a problem with the modem. Generally they either work or they don't.
Port speed is how fast the computer talks to the modem. Modem speed is how fast the modem talks across the phone line to the other modem.