Purpose and Target Market
General Purpose? Special Purpose? For gaming or telecom?
Basic Processing Element(s)
Styles of PE in case of heterogenous architecture? How many of each style?
Interconnect and Topologies
Buses? Point to point crossbar? Network on chip?
Memory Structure and Hierarchy
Shared memory? Distributed memory? Caches? Scratch Spaces?
Special Purpose Hardware Units
Vector units? Crypto units?
I/O and Peripherals
Memory controller? DMA engines? Ethernet Controller? Hypertransport?
Whose fab? which year? Layers of metal? Fast or slow process? multi-Vt process?
Total die size? relative size of logic vs arrays? relative sizes of cores and others?
Average or peak Watts? Joules per SPEC?
Assembly? C/C++? Domain specific design language?
Software Development Environment
System design tool stack? Availability of layers in this tool stack?
Recent News and Publications
Product annoucements? Roadmaps? Industry comments? Any other references?