Fluorescent LED Fluorescent T 5 28 W Fluorescent T 8 36 w Type LED Fluorescent tube Fluorescent T 5 Fluorescent T 8 Lamp Type Fluorescent LED Fluorescent 28 W Fluorescent 36 W Illumination (lm) 2, 000 2, 600 2, 800 CRI >70 85 85 Power Consumption (W) 20 28 36 Life Time 50, 000 hrs 20, 000 hrs Operating Voltage 48 220 Power Factor 0. 96 0. 80 100 92. 86 77. 78 Lighting Comparison Table Picture Structure Feature Efficiency (lumen/watt)