With the introduction of its new Haswell-based MacBook Air models yesterday, Apple revealed a strong emphasis on battery life, pushing the rated operating time from five hours to nine hours on the 11-inch model and from seven hours to 12 hours on the 13-inch model. Even with the focus on battery life, Apple was also able to bring some minor performance improvements, as seen in Geekbench 2 benchmarking results highlighted by Primate Labs. Overall, the new MacBook Air models performed 3-8% better than their previous-generation counterparts.With Haswell, Intel's focus was on reducing power usage. Rather than improve performance by 25%, Intel improved performance by 10% while consuming 25% less power. Apple then went a step further. Apple reduced power usage even more by selecting processors wit
