Hi,
I've got a DIR-655 and am thinking of getting the DGL-4500. Just wanna know if it is worth it? The main reason why i wanna buy it is because it is a gaming router and i often play games through the net such as cod4. Is there any significant improvement in ping between the two routers while your playing a game on the net and someone else is useing it to watch videos etc... at the same time?
A major difference is that the DGL-4500 is dual band selectable. Meaning it has both 2.4Ghz and 5Ghz band (only run one wireless band at a time) . The DGL-4500 also has the OLED screen which proves useful for a number of things including usage, quick access to router logs/information, and you can even check the time! (lol).
However, the 655 has support for Bsecure's SecureSpot 2.0 which is nice if you need parental control functionality or a much easier way to remotely manage your router.
hardware wise, they use SIMILAR chips. Obviously the Wireless radio's are completely based on completely different architecture.
Hope this helps!