Is this ram better than my current?

Hi, saw this on scan.co.uk and thought what a good deal, just wondering if its better than my current ram. thanks Computer hardware and software at amazing prices, available online from Scan Computers UK

my curfrent is 800mhz dominator 4-4-4-12

That’s just 2 kits of what you have already. It’s the same thing, but with 4 x1GB sticks instead of 2 that you have now.