makes perfect senseJuniper was half of Cypresscape verde is half of Pitcairnmakes perfect sense,Radeon HD 7770All CUs enabled, 640 stream processors1 GB GDDR5 memory40 TMUs, 16 ROPs1000 MHz core clock-speed1125 MHz (actual), 4500 MHz (effective) memory clock-speed7770 to 7850640 shaders to 1280 shaders1GB to 2GB40 TMUs to 80 TMUs16 ROPs to 24 ROPs7770 to 7870640 shaders to 14081GB to 2GB40 TMUs to 88 TMUs16 ROPs to 24Ropsif you look at the 79707770 to 7970640 to 20481GB to 3GB40 TMUs to 128TMUs16 ROPs to 32 ROPsdepending on which card in the series you look atessentially Cape Verde is Doubled or Tripled to meet the next performance bracket neccesary,and we can already see the performance 7800 series offers just look at 7770 crossfire, same situation as 5770 crossfire was to 5870 essentially, it makes sense considering AMDs idea to design a middle of the road gpu they can scale up and down to meet market demandsAMD as doubled and tripled shader counts from CapeVerde to each segmentROPs get increased by 8so we have 640 shaders 16 rops 40 tmusnext step up 1280 24 80next step above that 1920 32 120, gives a rough idea of what AMDs idea was with GCN7770 = entry 7770 xfire = 7870 and 7970 is of course 7970Notice the Performance jump 40% then 30% roughly what we should expect when the value of diminishing returns are taken into account,