I ran some Sun Spider benchmarks on my laptop running Ubuntu 10.10. Here are the results.
- Chrome 10.0.612.1 dev: 385.8 ms
- Chromium 10.0.627.0 (70377): 383.0 ms
- Opera 11.00 build 1156: 369.8 ms
- Firefox 3.6.13: 2301 ms
- Firefox (Minefield nightly build) 4.0b9pre (2011-01-05): 318.9 ms