Both are good, Having same features... It depends on the model that what we are comparing with which one. both manufacturing companies are working consistently on the new technology to overcome on heating problem & there are many ways introduced to reduce the temperature of the GPU's like, Coolants, Gels, water based solutions, double rims fans, some new tricks & technology will be introduced by the time to over come this issue in more better way. As a gamer we enjoyed in the past and still enjoying the games, Thanks to both of these companies Nvidia & AMD.