Espresso Machines

Semi-automatic, super-automatic, and manual espresso machines for every counter and budget

Espresso vs. Coffee: A Q Grader Explains the Difference Everyone Gets Wrong

CQI Q Grader Clara Bennett settles the espresso vs. coffee debate with real numbers — 9-bar pressure vs. gravity, 8–12% TDS vs. 1.2–1.5%, ~63 mg vs. ~95 mg caffeine — and explains why the difference is the brewing method, not the bean.

0 products reviewed · Updated Jul 12, 2026

How Much Caffeine Is in Espresso? A Q Grader Settles the Numbers

CQI Q Grader Clara Bennett breaks down exactly how much caffeine is in a single and double espresso, why espresso has less caffeine than a mug of drip despite tasting stronger, and the bean, dose, and roast factors that actually move the number.

0 products reviewed · Updated Jul 4, 2026

7 Best Espresso Machines of 2026

CQI Q Grader and SCA roaster Clara Bennett reviews the 7 best espresso machines of 2026, compared by machine type, boiler, pump pressure, grinder, and portafilter for café-quality shots at home.

7 products reviewed · Updated Aug 3, 2026