CPUs > AMD CPUs > Socket 7

Advantages: Good price, life time warranty, new technology for old pc's
Disadvantages: Might work as a bottle neck, if your pc lacks RAM

The evergreen Spectra 333 is a direct replacment for you old Pentium CPU, it replaces Pentium 75Mhz and up and offers a big boost in performance. The upgrade uses an AMD K6 II as the CPU and comes on an adapter board that alters the voltage to make it compatable with your system, the heatsink and fan are also provided as are BIOS updates. It also uses 3D Now technology to provide extra support for graphics in games and general applications. If you ...
...to upgrade the motherboard and processor, then the Spectra 333 is an affordable compromise for your system. The price may seem high at first until you take into account that a new motherboard and memory are not required. The price is around the £120 mark, but cheaper ones are available. Easily a good choice if your old computer can not keep up with todays new applications. Also easy to fit. The upgrade has a life time warranty and technical support ... Read review

Advantages: Easy to install,Lifetime guarantee and support,damn fast processor
Disadvantages: Not suitable for beginners

I had an old Pentium 100mhz CPU computer, which I inherited,and it seemed a tad slow (for good reason!).I had seen this upgrade available at various mail-order firms and saw that it was available for socket 7 motherboards,at Pentium 75mhz upwards. The upgrade itself is a AMD-K62 400mhz processor with heat sink and fan.It has instruction sheets and the necessary disks to alter your BIOS and to benchmark both your old and new processor speeds. I ...
...had no motherboard manual,I was relatively pleased with the ease of installation.It has a lifetime guarantee and lifetime phone technical help. I had to phone the technical support once, they were very helpful and useful,and resolved my problem quickly. If you want your old pentium to be up to 400% faster,with MMX and 3DNOW! then I would thoroughly recommend this product... ... Read review

Advantages: Fast, Quality and Easy install
Disadvantages: Price, Compatibility

...for the price it may seam expensive but good searching could lead to you finding one for just over £100, and with AMD on your side you'll beat Intel hands down. I hope you find this review helpfully and for any other help on the Phemon just message me. ... Read review

Advantages: Good clock speed, good video decoding and overall reliabilty
Disadvantages: Only 2 MB cache

The Core 2 Duo e6400 has many good features: It uses a 1066 MHZ FSB (front side bus) for a fast link on the motherboard. It 2 cores running at 2.13 GHZ The Processor is very EASY to overclock; just be careful. It is energy effecient and runs cool, unless you over clock Not as good features: 2 MB cache low compared to others in the range I found this processor to be excellent; it was extremely fast. With this processor there is no worry of ... Read review

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