AMD Athlon 2 X4 645 3.1GHz Socket AM3
The AMD Athlon 2 X4 645 comes in an AM3 package, supports DDR3 1333MHz, and has a clock frequency of 3.1GHz.
Very fast clocked budget Quad Core.
Lots of computing power in multithreaded applications.
Compatibility with older chipsets.
Low operating temperatures.
Power consumption improvements over C2 revision Athlon II X4.
Efficient 45nm process.
Lack of L3 cache is noticeable in some cases.
Oscillating performance, depending on application.
By Tom's Hardware on December 23, 2012
Benchmarking 86 CPUs takes a while. After long last, though, we have 51 models from AMD and 35 from Intel tested in our current suite. If you want to know how your processor sizes up to its competition, you'll find plenty of comparison data...-
By iXBT Labs on January 25, 2012
This time we'd like to offer you the summarized test results of as many as 71 processors. This generally marks the end of the year, not the end of another test method's life cycle (like the last time). We believe this summary contains all...-
By iXBT Labs on May 16, 2011
Although we've tested most processors from Intel, no due attention has been paid to a lot of CPUs from AMD. Today we shall make amends and examine as many as five affordable processors from this company. Testbeds Today's lineup to test will...-
By DigitalVersus on January 03, 2011
A quad-core CPU that offers performance levels at times lower than dual core models. It is nevertheless a good performer in applications that are adapted to the use of several...80
By iXBT Labs on November 23, 2010
The overall score quite precisely describes processor standings which marketing specialists could have in mind when setting prices. So, formally, we can say that every processor is in its place and is worth buyers' attention. Although, considering...-
By TechRadar on November 17, 2010
A quad-core chip on the cheap is a compelling concept. The new 3.1GHz AMD Athlon II X4 645 is certainly a quad-core chip, but is it cheap enough at £95?For sure, there are more affordable Athlon II X4s on offer. The 2.6GHz 620 model can be had for...80
By Fudzilla on November 15, 2010
We are not very fond of the 100/133MHz increases of any manufacture on any CPU. It's quite senseless to increase the frequency so little in the 3GHz age, because it does not make much difference, besides the money the companies will cash it for. AMD...-
By Icrontic on November 04, 2010
AMD recently refreshed their Phenom II and Athlon II lines with six new processors. Of course it wouldn’t be any fun to just tell you about new processors without showing off what they can do, now would it? We didn’t think so either, so today we’re...-
By BeHardware on November 03, 2010
Dealing with current news means that we rarely have the opportunity to review old products and of course a comparison between the most recent products and those that came out several years ago can get a little problematic. But we’ve decided to push...-
By Bit-tech.net on October 06, 2010
The X4 645 struggles to carve out a place for itself in the market. It's only averagely fast in single-threaded applications as, despite its high clock speed, it’s still based on an old architecture. For a cheap gaming rig or image editing PC...70