GE JES1109RRSS vs Panasonic NN-SB658S

The GE JES1109RRSS is 100W more powerful (1050W vs 950W), which means faster cooking and more even results. At 19" wide, the Panasonic is 1 5/8" narrower than the GE — a meaningful difference in tight spaces. The GE adds convection baking and air fry that the Panasonic lacks. The Panasonic adds inverter technology that the GE lacks.

Bottom line

Choose the GE if you prioritise faster cooking and convection baking; go with the Panasonic if a smaller footprint and inverter power for even heating matters more to you.

⚠️ These models are in different size categories. You may want to compare within the same size for more relevant results.

JES1109RRSS

Medium (Mid-Size)

Wins 4 of 8

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Panasonic

NN-SB658S

Small (Compact)

Wins 4 of 8

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Spec Comparison

Spec	GE JES1109RRSS	Panasonic NN-SB658S
Wattage Higher wattage cooks faster and more evenly.	1050W ✓	950W
Capacity Larger capacity fits bigger dishes.	1.00 cu ft ✓	0.90 cu ft
Width Narrower fits tighter counter spaces.	20 5/8"	19" ✓
Height Shorter clears low cabinet clearances.	11 7/8"	10 7/8" ✓
Depth Shallower fits narrow shelves and counters.	16 5/8"	14 13/16" ✓
Turntable Larger turntable fits bigger plates.	10 5/8"	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	Yes ✓
Convection	Yes ✓	No
Air Fry	Yes ✓	No
WiFi / Smart	No	No
Amperage Lower draw works on shared circuits.	12A	—