Given a relative amount of benefit, with a ratio of Watts/Benefit, a lower ratio of Watts/Benefit should cost less to the consumer.
So the consumer would care because the service is lower cost.
So the consumer would care because the service is lower cost.
It's more expensive to rent a GPU than to buy it.
This whole comment thread started because GP wrote:
>Remember retail GPUs are much more powerful, much cheaper and much more available than cloud GPUs.
So, still, why would a consumer care about performance per watt?
(ofc assuming you're not going to use it for like a day)