Frame Relay ATM
Has variable packet size. While It has fixed packet size.
The cost of frame relay is low. While it is costlier than frame relay.
While in this, the packet delay is
In frame relay the packet delay is more.
low or less.
The reliability of frame relay is less. While it is a good reliable.
The packet transfer speed of frame relay While the packet transfer speed of
is low. ATM is high.
The throughput of frame relay is
While it’s throughput is high.
moderate.
Frame relay does not provide error While ATM provides error control
control and flow control. and flow control.