My Kindle and my bookshelf have been in a quiet war for years. The Kindle is convenient, practical, always charged. The bookshelf is heavy, sentimental, takes up half a wall (and requires actual planning to set up properly). I use both constantly, and I've stopped trying to pick a winner. There isn't one. But I've learned when each one makes more sense.
This isn't a "real books are better" rant or a "technology is the future" pitch. It's what I've noticed after years of reading on both formats, and where each one falls short.
Where e-readers win
Travel. This is the biggest one. I spent three weeks in Portugal last year with a Kindle that weighed less than a single paperback. I had twelve books loaded on it. If I'd packed physical copies, I'd have needed a second suitcase just for the books. Airline baggage fees would have cost more than the Kindle itself.
Night reading is another win. A Kindle Paperwhite has a built-in light that doesn't disturb anyone sleeping next to you. I read in bed most nights while my partner sleeps. With a physical book, I'd need a book light, which is clunky and casts shadows. The Kindle's light is even and adjustable.
Instant gratification is real too. Hear about a book at 11 PM? Buy it, start reading it, all in under a minute. No waiting for delivery, no trip to the bookstore. For someone who decides what to read based on mood, this is a big deal. I've started books within minutes of hearing about them.
And then there's the dictionary feature. Tap a word, get the definition. I read a lot of older fiction with vocabulary I don't always know, and having instant definitions without breaking my reading flow is something I didn't know I needed until I had it.
Where paper wins
Memory. This one surprised me. A 2014 study from Stavanger University in Norway found that readers who read on paper had better recall of the plot's chronological order than those who read on screens. The researchers think it's because a physical book gives you spatial cues: you remember that a passage was about a third of the way through, on the left page, near the top. E-readers flatten that spatial information. Every page looks the same.
I've noticed this in my own reading. With a physical book, I can remember roughly where something happened in the story. With the Kindle, I remember the content but not where it was. For novels, that's fine. For reference books or anything I might want to flip back to, paper is better.
The tactile experience matters too. I know that sounds precious, but hear me out. The weight of a book in your hands, the texture of the paper, the smell of an old paperback, these things create a physical association with the act of reading. An e-reader is the same object whether you're reading Dostoevsky or a beach thriller. That sameness is convenient, but it strips away some of the ritual.
Sharing is easier with paper. Handing someone a book you loved, watching them read it, discussing it after, that's a social act that doesn't translate to e-readers. Yes, you can lend Kindle books in some cases, but the process is clunky and time-limited. A physical book is just... yours to give — which is why book clubs and reading communities tend to revolve around physical copies.
What the research actually says
A meta-analysis published in the Review of Educational Research in 2019 looked at 54 studies comparing reading on screens versus paper. The overall finding: reading on paper leads to better comprehension for longer texts. For short texts (under 500 words), there's no difference. For longer texts, paper readers outperformed screen readers, especially when they were under time pressure — the same principle that makes slow reading so effective for retention.
The researchers suggested that people tend to overestimate how well they've understood a text when reading on a screen. They're more confident but less accurate. Paper readers were more calibrated: they knew what they knew and what they didn't.
That said, this is about screens in general, not e-ink readers specifically. E-ink screens (like the Kindle Paperwhite) don't emit light the same way tablets and phones do, and some studies suggest the comprehension gap narrows or disappears with e-ink. The research on e-ink specifically is thinner, though.
My hybrid approach
After years of going back and forth, here's where I've landed.
Physical books stay home. They're for weekend reading, for books I want to savor, for anything I might want to lend or reference later. I buy physical copies of books I know I'll love. If I'm unsure about a book, I'll start it on the Kindle and buy the physical version if I love it enough to want it on my shelf.
The Kindle travels. It's for commutes, trips, waiting rooms, and bed reading. It's also for books I'm reading purely for plot, thrillers, mysteries, page-turners, where the tactile experience doesn't matter as much and I'm just following the story.
Audiobooks fill the gaps. Walks, dishes, driving. I count them as reading because I retain the stories just as well, though the experience is different. I wouldn't listen to poetry on audiobook, but for memoirs and fiction, it works.
The real answer
The best format is the one that gets you reading. I mean that genuinely. If you read more on a Kindle, use a Kindle. If you read more with physical books, buy physical books. If you switch between both depending on the day, like I do, that's fine too.
What I'd push back on is the idea that one format is inherently superior. It's not. They're tools for different situations. A hammer isn't better than a screwdriver; they do different things. The goal isn't to win the format debate. The goal is to read.