"Atomizer" gets used both as a general term for the whole coil-and-tank assembly and as a label for several genuinely distinct sub-types, which is exactly why the terminology gets confusing. Here's what actually separates each one.
Largely legacy styles at this point: a cartomizer uses a wrapped wicking material with a fixed, non-serviceable coil inside a sealed tube, while a clearomizer introduced a see-through tank so you could actually check e-liquid level, still built around a fixed coil rather than one you'd replace independently.
The modern standard for most vapers — a refillable tank paired with an easily replaceable coil head, no building or rebuilding required. We cover how these coils actually work in depth elsewhere, and the full parts breakdown covers where a tank fits among every other component.
No tank reservoir at all — e-liquid is dripped directly onto a coil you build and wick yourself, redone every few drips. RDAs generally deliver the most direct flavor of any atomizer type, at the cost of zero convenience and a genuine coil-building skill requirement. Not a beginner category.
Combines a rebuildable coil deck with an actual tank reservoir sitting below it, so you're not dripping constantly while still building and wicking your own coil. A middle ground between an RDA's flavor and hands-on control and a standard tank's convenience.
A hybrid design where e-liquid feeds the coil from below via a tank reservoir, aiming for flavor closer to an RDA's direct-drip style while retaining some of a tank's practicality. Less common than RDAs or RTAs, but occupies a genuine niche between the two.
Tank atomizers cover the vast majority of everyday vapers — reliable, low-maintenance, no building skill required. RDAs, RTAs, and RDTAs are squarely enthusiast territory, genuinely rewarding once you know coil-building, but a real step up in complexity that isn't worth taking on without a specific reason to want it.
Effectively yes — rebuildable atomizers are almost always run on regulated devices capable of handling variable, often sub-ohm builds, which is the same reason sub-ohm tanks pair with box mods.
Yes, meaningfully — an RDA needs re-dripping every few draws and periodic coil rebuilding, while a tank atomizer just needs refilling and an occasional pre-built coil swap.
It's possible but not the easiest starting point — an RTA still requires building and wicking a coil correctly, which is a real skill gap compared to simply screwing in a pre-built coil on a standard tank.
Before you upgrade your setup, it's worth checking active discount codes — every code listed is tested against checkout and dated, not just pulled from a feed.