Speed Up Vs Scale Up

Speed up	Scale up
It improves Response Time	It improves throughput.
As you multiply resources by a certain factor, the time taken to execute a transaction should be reduced by the same factor:	As you multiply resources the size of a task that can be executed in a given time should be increased by the same factor.
10 seconds to scan a DB of 10,000 records using 1 CPU 1 second to scan a DB of 10,000 records using 10 CPUs	1 second to scan a DB of 1,000 records using 1 CPU 1 second to scan a DB of 10,000 records using 10 CPUs
It concentrates on time, means improving response time i.e. Speed up.	It concentrates on data, means improving scale up.