Intel Westmere 32nm Launch & Clarkdale Core i5-661 CPU Review

by MAC     |     January 3, 2010

System Benchmarks: x264 HD / WinRAR



x264 HD Benchmark


x264 HD Benchmark v1.0
Test: MPEG-2 HD 720P Video Clip Conversion to x264
DVD Video Length: 30 Seconds
Comparison: FPS of Second Pass

x264 is quickly becoming the new codec of choice for encoding a growing number of H.264/MPEG-4 AVC videos. Think of it as the new Divx of HD and you can understand why we felt it critical to include. Tech Arp's recent development of the x264 HD Benchmark takes a 30 second HD video clip and encodes it into the x264 codec with the intention of little to no quality loss. The test is measured using the average frames per second achieved during encoding, which scales with processor speed and efficiency. The benchmark also allows the use of multi-core processors so it gives a very accurate depiction of what to expect when using encoding application on a typical full length video.



This is a purely multi-threaded workload, so it's no suprise to see the i5-661 fall behind the higher-end quad-cores. It is still consistently faster than the Q6600 though, which is at 3 years old is starting to shows its age.


WinRAR


WinRAR 3.8.0
Test: Compression of 1GB of Assorted Files
Comparison: Time to Finish

One of the most popular file compression/decompresion tools, we use WinRAR to compress a 1GB batch of files and archive them, timing the task until completion.



Another highly multi-threaded application, WinRAR makes good use of all of all additional cores and Hyper-Threading. However, this is a very memory intensive workload, and that is the one weakness of the the crippled i5-661.
 
 
 

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