Difference between SRAM and DRAM ?

SRAM	DRAM
Stands for static random access memory.	Stands for dynamic random access memory.
Instruction stored in flip flop in form of 0 and 1	Instruction stored in form of charge
No refreshing circuit is required	Refreshing circuit is required
High power	Low power
Faster than the DRAM	Slower than the SAM
Very costly	Cheaper
It is closest to the processor	It is less closer to processor as compare to SRAM