The weight will be the same, but the coffee won't. The biggest factor is the grind size, and packing force has little effect—so long as you tamp the coffee even

The weight will be the same, but the coffee won't. The biggest factor is the grind size, and packing force has little effect—so long as you tamp the coffee evenly to stop channeling. There's also a million other factors that effect taste, including things like the weight of the coffee cup. So it's a bit of an endless nightmare.