The mainframes have their own CISC type architecture and typically have massive amounts of cache and a high clock speed (5Ghz and above)
Their instructions sets are also different in that its not strictly of the von-Neumann variety. Mainframes can do things like memory copies directly in memory without requiring copying via registers. This kind-of attacks the von-Neumann bottleneck directly and is good for batch and high volume transaction processing.
The software for mainframes is also typically fused into their kernels, things like CICS and DB2 are not "user" programs, they're part of the OS so I/O is handled much better and things don't "block" as much.
The mainframes have their own CISC type architecture and typically have massive amounts of cache and a high clock speed (5Ghz and above)
Their instructions sets are also different in that its not strictly of the von-Neumann variety. Mainframes can do things like memory copies directly in memory without requiring copying via registers. This kind-of attacks the von-Neumann bottleneck directly and is good for batch and high volume transaction processing.
The software for mainframes is also typically fused into their kernels, things like CICS and DB2 are not "user" programs, they're part of the OS so I/O is handled much better and things don't "block" as much.