Complex sentence: Therefore, Nvidia opted to use eight dedicated FP64 CUDA cores in a SMX as to save die space, while still offering FP64 capabilities since all Kepler CUDA cores are not FP64 capable.
Split into simpler sentences: Therefore, Nvidia opted to use 8 dedicated FP64 CUDA cores in a SMX as to save die space. This is while still offering FP64 capabilities since all Kepler CUDA cores are not FP64 capable.