Go to the real site and click on all the clicky bits.
The green line is Google V8, the red line is Apple Nitro, and the orange and black lines are Mozilla’s two engines, JaegerMonkey and TraceMonkey, respectively. The purple lines reflect Mozilla’s new approach of running the engines concurrently. As you can see, it speeds things up.
But the answer to the question being asked by the URL is “No” — Google is currently either on par with Apple Safari or slightly better, depending on the test and the architecture. Mozilla is improving, but still has a lot of catching up to do.
Also, no Opera. Opera’s Carakan engine is also blazing fast, but it’s not represented here.