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MicrowaveFit

Frigidaire RMW987-RED vs Whirlpool WMCS3019RS

At 20 1/2" wide, the Whirlpool is 1" narrower than the Frigidaire — a meaningful difference in tight spaces.

Bottom line

The Whirlpool has the edge — it offers a smaller footprint that the Frigidaire doesn't.

Frigidaire RMW987-RED
Frigidaire
RMW987-RED
Small (Compact)
Wins 0 of 4
Whirlpool
WMCS3019RS
Small (Compact)
Wins 4 of 4

Spec Comparison

Spec Frigidaire RMW987-RED Whirlpool WMCS3019RS
Wattage
Higher wattage cooks faster and more evenly.
900W 900W
Capacity
Larger capacity fits bigger dishes.
0.90 cu ft 0.90 cu ft
Width
Narrower fits tighter counter spaces.
21 1/2" 20 1/2"
Height
Shorter clears low cabinet clearances.
12 3/4" 12 1/8"
Depth
Shallower fits narrow shelves and counters.
16 3/4" 15 7/8"
Turntable
Larger turntable fits bigger plates.
10" 10 5/8"
Sensor Cooking
Auto-adjusts time based on steam — no guessing.
No No
Inverter
True variable power for better defrost and reheating.
No No
Convection No No
Air Fry No No
WiFi / Smart No No

✓ indicates the better value for that spec. Ties not marked.

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