Here are the tests that the two browsers will face:
SunSpider JavaScript 0.9.1 - A JavaScript benchmark developed by Mozilla with a focus on real-world problem solving.
V8 Benchmark Suite - A pure JavaScript benchmark used by Google to to tune the V8 JavaScript engine.
Kraken 1.1 - Another JavaScript benchmark developed by Mozilla. This is based on the SunSpider JavaScript benchmark test but features some additional enhancements.
All testing carried out on a Windows 7 64-bit system running a Q9300 2.5GHz quad-core processor with 4GB of RAM and an NVIDIA GTX 260 graphics card.