For your naked viewing pleasure

28nm 'Taihiti XT' Die shot – we didn't see any markings after removing the thermal paste


A metal shim is back with the actual die being slightly shorter – so heatsink compatibility with older generation cards might be a problem


12 x Hynix GDDR5 256MB flash chips clocked at 1375MHz are used in a 384bit ring bus configuration, resulting in 264GB/s of memory bandwidth


Power Delivery Design


The popular CHiL CHL8228G (6+2 PWM Controller) makes its return on the 7970, which should be good news to software voltage modders



Check also 

Part 1: A Look at Graphics Core Next (GCN) Architecture

Part 3: Overclocking, Benchmarks and Conclusion