Chanchamayo is a Peruvian coffee market name associated in the source with a gentle, balanced style. The description suggests light-to-medium body, some citrus brightness and possible nut or chocolate impressions. These are useful expectations for exploring a coffee, rather than findings from a tasting conducted for this profile.
The broad range of acidity in the description is itself a reason to look for more detail. A producer, processing method and roast style explain more than a promise that all Chanchamayo coffee tastes mild or delicate.
When comparing two bags, use their actual lot information and the roasters' intended brewing styles. A small purchase brewed with a familiar recipe can show whether the coffee delivers the balance you want. “Premium” and “high grown” should introduce questions about the product rather than answer them on their own.
The conversation
A good question can make a better brew.