17- and 20-inch iMacs Core 2 Duo

At a Glance

Apple boosts the processor in its 20-inch iMac to 2.16GHz. And this isn't just a mere jump in clock speed -- the old Core Duo chip has been replaced with a next-generation Core 2 Duo that boosts the amount of shared L2 cache to 4MB. Other than the larger screen size, faster processor and bigger hard drive, the specs on this model match the 17-inch iMac Core 2 Duo/2GHz. Build-to-order options include a 2.33GHz Core 2 Duo processor and a 500GB hard drive.

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Price when rated:	$1,499

Pros

• 1GB of RAM standard
• Nearly identical performance to 24-inch model
• Larger and brighter display

Cons

• Lack of free RAM slot makes for costlier memory upgrades
• Limited internal expansion options
• 3GB RAM limit