Intel Core i7-2820QM Mobile Sandy Bridge Processor

Name: Intel Core i7-2820QM Mobile Sandy Bridge Processor - Page 7
Brand: Intel

by Dave Altavilla — Monday, January 03, 2011, 12:00 AM EDT

In our custom LAME MT MP3 encoding test, we convert a large WAV file to the MP3 format, which is a popular scenario that many end users work with on a day-to-day basis to provide portability and storage of their digital audio content. LAME is an open-source mid to high bit-rate and VBR (variable bit rate) MP3 audio encoder that is used widely around the world in a multitude of third party applications.

LAME MT

Audio Encoding

In this test, we created our own 223MB WAV file (a hallucinogenic-induced Grateful Dead jam) and converted it to the MP3 format using the multi-thread capable LAME MT application in single and multi-thread modes. Processing times are recorded below, listed in seconds. Shorter times equate to better performance.

In multi-threaded performance (Lame MT actually makes use of two threads), the new Core i7-2820QM puts up times some 42% faster than the next fastest processor in our test, the Core i5 540M. In single-threaded performance Sandy Bridge is about 14% faster than the previous generation Core i7-920XM.

Tags: Intel, core i7, Notebook, processor, Enterprise, Sandy Bridge, Core i72820QM

Dave Altavilla

Dave Altavilla is the founder, Editor In Chief and Publisher of HotHardware.com. With decades of experience as a semiconductor sales engineer, Dave Altavilla founded HotHardware.com over 25 years ago. Dave is also a published contributor to various technology-based publications and is a featured Tech Analyst expert on various network media shows.