While there are probably some people who go out to shop for the best Android phone, I suspect that most people want to know which phone is best of all, whatever operating system it runs. In other words, how does the Galaxy S5 compare to the iPhone 5S, Apple’s six-month-old flagship device and the champion to beat?

The answer: Not very well. I’ve been using the new Samsung for about three weeks, and while I do think it is the best Android phone you can buy, it sure isn’t the best phone on the market. By just about every major measure you’ll care about, from speed to design to ease of use to the quality of its apps, Samsung’s phone ranks behind the iPhone, sometimes far behind. If you’re looking for the best phone on the market right now, I’d recommend going with the iPhone 5S.

No surprise there.

Indeed, for many people, there will only be a single obvious reason to buy the Galaxy S5 over the iPhone 5S: The Samsung phone has a much bigger screen. Size isn’t an objective advantage but rather a matter of preference — some people like big phones and some people like small ones. For the next few months, for big-phone lovers, Samsung’s massive size will make it the clear winner.

There’s clearly a presumption there that Apple will release a larger phone. Hard to say how I’d react to a larger iPhone screen. I really love my iPhone 5s, don’t find myself pining for more screen real estate. But if Apple made the choice to create a larger phone, I trust that enough thought would have been put into the design to make it a superior experience.