Compare COB LED and quantum board LED grow lights side by side. Enter your specific fixtures or use the type defaults to see efficiency, heat output, coverage, and 5-year total cost of ownership.
Grow space
Enter your specific fixtures (or leave as defaults)
COB LED
Power draw (W)
PPE efficiency (umol/J)
Fixture price ($)
Rated lifespan (hours)
Quantum Board
Power draw (W)
PPE efficiency (umol/J)
Fixture price ($)
Rated lifespan (hours)
Please enter grow area.
Best value over 5 years
Quantum Board
COB LED
Quantum Board
Total cost of ownership — fixtures needed for your grow area
Year
COB total cost
QB total cost
COB LED strengths
+
Deep canopy penetration from point source
+
High intensity over smaller footprint
+
Simple driver electronics
+
Good for tall canopies and ScrOG
–
Runs hotter — more cooling required
–
Less uniform PPFD distribution
–
Lower efficiency than modern QBs
Quantum Board strengths
+
Higher PPE — more light per watt
+
Even PPFD distribution across canopy
+
Runs cooler — less HVAC load
+
Longer LED lifespan at lower temps
–
Less canopy penetration (spread source)
–
Higher upfront cost
–
May need more fixtures for tall canopies
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