Apple (NASDAQ:AAPL) has updated its MacBook Air lineup, revealing today that it will feature the newest Intel (NASDAQ:INTC) Haswell chips in order to deliver "all-day" battery life.

Other internal upgrades include support for 802.11ac Wi-Fi and faster flash memory. The new notebooks have the same external appearance, with only internal upgrades.

In order to take advantage of the faster Wi-Fi capabilities, Apple also released redesigned versions of its wireless Airport routers, since previous models only support up to 802.11n. Apple is also now including more flash storage at entry-level price points, adding more value.

The MacBook Air is positioned as Apple's entry-level consumer notebook, with the 11-inch model starting at $999 and the 13-inch model starting at $1099.

According to the company, the new MacBook Air "features power-efficient fourth generation Intel Core i5 and Core i7 processors that give the 13-inch MacBook Air up to 12 hours of battery life and up to 10 hours of iTunes movie playback. The 11-inch MacBook Air delivers up to 9 hours of battery life and up to 8 hours of iTunes movie playback."

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Fool contributor Evan Niu, CFA owns shares of Apple. The Motley Fool recommends Apple and Intel. The Motley Fool owns shares of Apple and Intel. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.