The present study makes a comparative analysis of the costbenefit ratio between Conventional Concrete (CC) and High Performance Concrete (HPC). To obtain the consumption rates of concrete, steel and shape of each case, two studies of the same structure out changing only one variable were carried: the characteristic strength of concrete to compression (fck). In the first case, the fck 25 Megapascal (MPa) representing the CC was applied, and in the second case, fck 50 MPa corresponding to the

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... To analyze the structural elements, it was used the software Cypecad. It was confirmed one of the initial hypotheses (the consumption of concrete, steel and form would decrease with the use of High Performance Concrete). The second hypothesis was not confirmed (the HPC would be more financially advantageous than the CC), but factors that may have led to this non-confirmation were pointed out. This work presents a comparison between Conventional Concrete and High Performance Concrete in a case study of a Residential Building through computer simulations using the software Cypecad version 2014, based on the Brazilian standard [12]. NBR 6118 et.al.