You're pricing RAM, not systems. If you're going to buy RAM for a Macbook or a PC, you're going to use the same sources and pay the same prices. Nobody who actually buys their own memory buys it from Apple.
A Dell Inspiron with the same specs as the white Macbook (with an upgraded hard drive) costs $700 compared to $1100. That's a specific comparison purely on hardware.
A Dell Inspiron with the same specs as the white Macbook (with an upgraded hard drive) costs $700 compared to $1100. That's a specific comparison purely on hardware.