CPUs > 400 GBP to 499 GBP CPUs

Advantages: fast
Disadvantages: hard to think of one

This intel dual core processor with 2.4Ghz speed (total speed of 4.8Ghz) with a 2MB Cache can handle an awful lot of demanding programs runnning at once and for the amazingly low price its a very good processor. This processor is also compatable with 64 bit computing. It has an LGA775 Socket which is compatable with most motherboards (up to you to check these things) if you are looking to upgrade or build your own pc. If you are looking to buy a ... Read review

Advantages: Dual-core performance for true multi-tasking
Disadvantages: Price a little bit more, but makes sense.

...in today's mainstream notebook PCs AMD Athlon 64 X2 6400+ / 3.2 GHz processor has given me a sigh of relief. So what's it bringing with itself? AMD64 technology brings your notebook PC to life with dual-core performance, superior graphics, and wireless technologies from AMD's technology partners. It's everything you need for an enhanced Windows Vista™* experience you can take with you anywhere and coming with a price that makes sense. # Key features ...
...and wireless capabilities from AMD technology partners ~AMD PowerNow!™ technology for performance on demand and extended system battery life ~Enhanced Virus Protection** (EVP) helps protect against certain viruses, worms, and other malicious attacks ~HyperTransport™ technology boosts overall system agility so applications are more responsive and deliver incredible performance # Compatibility wise: AMD Athlon 64 X2 dual-core processors for notebook ... Read review

Advantages: Very fast, cheap
Disadvantages: need to have IT expereince

This intel dual core processor with 2.33Ghz speed (total speed of 4.6Ghz) with a 4MB Cache can handle an awful lot of demanding programs runnning at once, obviously it has its limits, but for the price its a very good processor. This processor is also compatable with 64 bit computing. It has an LGA775 Socket which is compatable with most of the new motherboards if you are looking to upgrade or build your own pc. If you are looking to buy a processor ... Read review

Advantages: very fast, reliable
Disadvantages: pricey, need to have IT knowledge

This dual 2GHZ core processor with combined speed of 4Ghz and a 4Mb Cache makes a very fast pc and will cope easily with many demanding programs running at once. There are probably better deals for the same or better processors, but you are paying for the quality, many dont have a high 4Mb cache. This would be most recommend for IT technicians or people who know what they are doing. The main let down of this is the variation in the price, while ... Read review

Advantages: 4 cores. New G0 stepping Q6600 runs cooler and is easy to overclock
Disadvantages: Software doesn't take advantage of all 4 cores.

I bought this a while ago for £160 even at that price it is a bargain and now you can get it £140 a no brainer in my opinion. An extremely powerful processor 2.4Ghz per core adding up to a total of 9.6Ghz. The best thing about this processor for me though is its potential for overclocking, if you get the new G0 stepping which is a must this processor can easily be overclocked to 3.3Ghz just by using a good cooler such as a Scythe Infinity and would ...
...default cooler. This processor will do it all if you want to encode a video no problem I have encoded a full 90minute film in less than 30minutes and while I was doing that I was also playing a top end game without any lag. Coupled with 2Gb of fast DDR2 memory and a good graphics card such as a 8800GTX your new rig will easily be able run new games and future games for many a year. The easy installation of the LGA775 socket makes it a breeze to ... Read review