底下使用
野口版firefox-8.0.1-4-sse2.7z 與官方IE9做相關測試
測試平台
Core I5 750
4G RAM
ATI HD 5770

DOGS - 狗狗測試Flash執行效能(越大越好)
FF 367
IE 373

SunSpider 0.9.1 JavaScript Benchmark Results(越小越好)
FF Total:164.1ms +/- 1.5%
IE Total:171.3ms +/- 0.8%

V8 Benchmark Suite - version 6(越大越好)
FF Score:6166
IE Score:3412

The HTML5 test(越大越好)
FF Your browser scores 314 and 9 bonus points
IE Your browser scores 141 and 5 bonus points

Acid3 TEST(越大越好、100分滿)
FF 100/100
IE 100/100

Preschool(越小越好)
FF 7.927s
IE 3.944s

Asteroids HTML5 Canvas 2D Rendering and JavaScript Benchmark(越大越好)
FF Benchmark Score: 1305 Average FPS: 28
IE Benchmark Score: 2938 Average FPS: 62

Mozilla JavaScript performance test suite(越大越好)
FF 581.97runs/s (Total)
IE 316.76runs/s (Total)

以上僅供參考~!!