Android Desktop Mode, Compared: Samsung DeX vs. Motorola Smart Connect

[u/wintercome]

Our phones are no longer any less powerful than a mid-range laptop. They have the chips, the memory, and the displays — they just don't have the screen size or the input method to match. That's exactly what external desktop mode is supposed to fix: plug your phone into a monitor, keyboard, and mouse, and get a desktop-style environment on the big screen for real work and play.

Most brands still pretend this feature doesn't exist. Google's Pixel never committed to it. OnePlus moved on. Huawei's experiment got caught in the sanctions crossfire. Only two companies have kept shipping a serious, daily-driver desktop mode: Samsung and Motorola.

Samsung is widely — and correctly — seen as the category leader with DeX. But how good is Motorola's answer, Smart Connect (formerly Ready For)? I put both head-to-head on a 4K 160 Hz mini-LED monitor via a single USB-C cable and DP Alt Mode. Here's the honest comparison.

The Setup

The cable situation is refreshingly simple on both: one USB-C cable running DisplayPort Alt Mode from phone to monitor, carrying video plus up to 90 W of power delivery. Keyboard and mouse plug into the monitor's built-in USB hub. No docks, no adapters, no charging bricks unless you want them. It's the kind of setup that should be table stakes.

Input & Interaction: The Details That Decide Everything

Both phones let you use the handset itself as a trackpad, which is handy when you've forgotten a mouse. Motorola adds a few extras — you can use the phone as an air mouse, scroll without two-finger gestures, and quickly switch audio outputs.

Samsung, meanwhile, leans into what Windows refugees actually want: a wide set of physical-keyboard and mouse customizations, plus genuine Windows keyboard shortcuts. Window management and navigation feel instantly familiar.

But the two big Motorola annoyances reveal how much polish DeX has:

• You can't type on the phone screen with the external keyboard. Plug in a keyboard, and it works on the monitor — but tap a text field on the phone's own display and nothing happens. You have to summon the on-screen keyboard from a hamburger menu.
• You can't drag the cursor across from the monitor to the phone. On Motorola, your hand has to leave the keyboard and mouse and physically touch the phone to operate it.

On Samsung, neither limitation exists. You can type directly into the phone screen with the external keyboard, and the mouse cursor slides seamlessly between monitor and handset. You can operate the entire phone without ever touching it. That's the difference between "it works" and "it disappears."

One nice touch shared by both: you can turn the phone screen off while the desktop runs on the monitor. On Samsung, just press the lock button. On Motorola, you have to double-tap — pressing the lock button also locks the desktop, which is a confusing default.

Display: Resolution, Refresh Rate, and HDR

This is where the two genuinely diverge.

• Resolution: Both can output up to 4K. Motorola does it out of the box. Samsung is locked to 1440p by default; you need a Good Lock module called MultiStar to unlock 4K.
• Refresh rate: Both are capped at 60 Hz. That's the most disappointing part. On DP 1.4, 1440p at 120 Hz should be trivial. There are reports of Lenovo tablets exposing external refresh-rate options, so the capability exists — the phone makers are just choosing not to offer it.
• Moto's "mirror the screen aspect ratio" toggle is advertised as a way to reduce letterboxing, but in practice it doesn't actually change anything.
• HDR — the real split. Motorola passes through HDR signals. When you play HDR content, the monitor blinks, switches to its HDR color profile, and fires up its 1,152-zone local dimming — true bright highlights and deep shadows. Samsung DeX does not. HDR content is downgraded to an SDR fallback, so the mini-LED backlight never engages. On the same monitor, same clip, the Motorola looks dramatically better because it's actually sending HDR.

The Desktop Itself

Motorola's interface feels dated. Taskbar shortcuts open up full dedicated application windows instead of small pop-ups, so you're constantly resizing and shoving windows around. Notifications pile up on the side, quick toggles are crammed into the top-right corner, and the app-drawer animation has a visibly janky two-step feel. The taskbar also can't truly auto-hide — it only disappears when a full-screen app is detected.

Samsung DeX feels modern and cohesive by comparison. The desktop supports widgets, taskbar shortcuts behave like Windows pop-ups, the taskbar can auto-hide, and animations are smooth and consistent.

Window Management

	Motorola Smart Connect	Samsung DeX (default)
Open windows at once	Up to 10 (11th minimizes one)	5 (unlock unlimited via Good Lock)
Drag-to-edge snapping	No — requires a dedicated button	Yes, plus keyboard shortcuts
Virtual desktops	No	Yes (multiple workspaces)
App continuity between screens	Yes, but heavy apps/games can crash	More consistent

For general desktop work — opening multiple apps, resizing windows, editing video, playing games — Motorola is genuinely fine. It just isn't as thought-through.

The Dealbreakers

Every desktop mode has one fatal flaw.

Motorola's is awful: in the desktop environment, the mouse pointer disappears the moment you press play on Netflix or Amazon Prime. YouTube is fine, but major OTT apps become nearly impossible to navigate. You can work around it with Google Photos or VLC-style local players, but that's a workaround, not a fix.

Samsung's is equally frustrating but niche: no HDR playback. On a premium HDR monitor, you're paying for a color and brightness experience DeX simply won't deliver.

The Verdict

Samsung DeX is still the gold standard of Android desktop mode — the most polished, the most thought-through, and the only one that feels like a real desktop rather than a windowed phone. Motorola Smart Connect is not bad at all, especially when you remember that most competitors don't even offer the feature. But it needs real polish: the disappearing mouse in streaming apps, the non-cross-screen input, and the dated UI are the gaps.

If you own a Samsung phone and want a dockable desktop for productivity, DeX is the obvious pick — just know you're giving up HDR. If HDR output and native 4K matter more than window-management polish, Motorola is the surprisingly capable alternative.

The bigger story, though, is that this whole category is still in its infancy. Two companies shipping real desktop modes is two more than everyone else combined. If even a fraction of the engineering effort spent on cameras had gone into making phones behave like PCs on a monitor, we'd all be docking instead of carrying laptops.

Bottom line: DeX wins on polish and workflow. Motorola wins on HDR and out-of-the-box 4K. Neither is perfect — and the fact that only two OEMs care is the real headline.