Single drum or separate drums — the decision that matters most

The phrase "washer-dryer combo" covers two fundamentally different product formats that get grouped together in searches. Understanding the difference before you shop saves a lot of frustration.

A single-drum all-in-one unit washes and dries in the same drum sequentially. You cannot wash a new load while the previous one is drying. The Samsung Bespoke AI Combo and GE Profile PFQ97 are both this format.

The LG WashTower is a different category entirely. It is an integrated stacked unit with a separate washer drum and a separate dryer drum in one vertical footprint. Both run simultaneously and independently. It belongs in this comparison because it serves the same space-saving purpose, but it works like two full appliances in a single chassis.

Bottom line before reading further: If you can run both a washer and dryer load simultaneously, get the LG WashTower. If you need everything in one drum, choose between the Samsung and GE based on your priorities around venting, AI features, and cycle variety.

The LG WashTower WKEX200HBA

LG WashTower WKEX200HBA
Top Pick Overall
LG WashTower WKEX200HBA
Integrated Stacked Unit — Separate Drums
The WashTower wins this comparison for most buyers because it does not force the single-drum trade-off. A 4.5 cubic foot front-load washer and a 7.4 cubic foot dryer operate simultaneously in roughly the floor space of one side-by-side appliance. Steam in both units, ThinQ Wi-Fi, and an integrated design that looks intentional rather than improvised. The 7.4 cubic foot dryer drum is large enough to handle the full washer load without splitting.
Full Review See on Amazon
9.3★★★★★

WashTower pros and limits

    Strengths
  • Washer and dryer run simultaneously
  • Full-sized capacity in both drums
  • Faster overall laundry throughput
  • Integrated design looks premium
  • Steam in both washer and dryer
    Limitations
  • Higher price than buying separately
  • Cannot replace one unit with a different brand
  • Taller than side-by-side, needs ceiling clearance
  • Electric dryer only in this configuration

The Samsung Bespoke AI Laundry Vented Combo

Samsung Bespoke AI Laundry Combo
Samsung Bespoke AI Laundry Vented Combo
All-in-One Single Drum — Vented
The vented design is what separates this from most all-in-one units on the market. Instead of condensation drying, it vents externally like a standalone dryer, which means clothes come out properly dry rather than just adequately dry. AI Wash and AI Dry analyze each load and adjust cycles automatically. At 5.3 cubic feet, it is large for the single-drum format. Dark Steel finish is distinctive.
Full Review See on Amazon
9.0★★★★★

The GE Profile PFQ97HSPVDS

GE Profile PFQ97HSPVDS
GE Profile PFQ97HSPVDS
All-in-One Single Drum — Ventless
The GE Profile's advantage is cycle variety — 12 wash and 14 dryer cycles covers practically every laundry scenario without workarounds. The SmartHQ app is among the best-designed appliance apps available. At 28 inches wide, it fits in slightly tighter spaces than the Samsung. The ventless design is the main practical limitation versus the Samsung, as drying takes longer and results are less thorough.
Full Review See on Amazon
8.7★★★★☆

Side-by-side breakdown

FeatureLG WashTowerSamsung Bespoke AIGE Profile PFQ97
Format Separate drums Single drum Single drum
Simultaneous wash + dry Yes No No
Washer capacity 4.5 cu. ft. 5.3 cu. ft. 4.8 cu. ft.
Dryer capacity 7.4 cu. ft. Same drum Same drum
Vented drying Yes Yes No (ventless)
AI features ThinQ app AI Wash + AI Dry SmartHQ app
Cycle variety Standard Standard 12 wash / 14 dry
Our score 9.3 9.0 8.7

Which one should you buy?

Get the LG WashTower if your space allows for a stacked unit and you want full laundry capability without the single-drum limitation. This is the right choice for most households upgrading from side-by-side units with a space constraint.

Get the Samsung Bespoke AI Combo if you genuinely need a single-drum all-in-one and want the best drying performance available in that format. The vented design is a meaningful upgrade over ventless alternatives.

Get the GE Profile PFQ97 if you are in the GE ecosystem, need the narrower 28-inch footprint, or want maximum cycle flexibility in a single-drum unit. Understand the ventless drying limitation going in.