Guitar Amps VS Cabs - Which Matters More

We'll compare three different amps, a Mesa Single Rectifier, an Orange Rocker 30, and a Marshall JCM2000 TSL60, and four cabs, a Vox 412 with Celestion Creambacks, a Mesa 412 with Celestion Vintage 30s, an Orange 412 with Vintage 30s, and a Marshall 412 with G12T-75s.