The team behind the benchmarking suite, Geekbench, has rounded up the scores for Apple’s newest Retina MacBook Pro models and finds that despite slower processor clock speeds across the board, the Haswell-powered laptops outperform their predecessors by as much as 8%.

To be more exact, single-core performance for the 13-inch variants is up only 2% to 4% over the previous generation, which John Poole, founder of Geekbench parent Primate Labs, attributes to the new revision’s focus on power efficiency rather than speed gains. The 15-inch variant sees much larger