Performance comparisons using two popular benchmarks, Speedometer, Octane v2, Octane v1, and Jetstream2. The leftside images are Firefox, and the rightside images are Mercury. Testing was done on my main machine: AMD FX-8370 overclocked to 4.5 Ghz. | 24 GB 1600 Mhz. DDR3 RAM | Nvidia GTX 970 | Gigabyte GA-78LMT-USB3 R2 Motherboard. The browsers were run on a fresh, updated install of Ubuntu 22.04.1 codename "Jammy Jellyfish", with no other major background tasks runnning.
Speedometer v.2.1: Firefox vs. Mercury | 71.9 vs. 106 | – 38.3361% performance gain.
Octane v.2.0: Firefox vs. Mercury | 28394 vs. 31108 | – 9.12238% performance gain.
JetStream2: Firefox vs. Mercury | 95.869 vs. 104.823 | – 8.92313% performance gain.
Octane v.1.0: Firefox vs. Mercury | 26492 vs. 27959 | – 5.38833% performance gain.