What is the difference between 3528 and 5050 LED strips?

MD 3528 has single chip packaged inside, and SMD5050 has three chips packaged inside.Usually,SMD5050 has the brightness which is three times than SMD3528.   

For example, each 3528 has  5-6 lumens, and each 5050 has 12-15 lumens. 

SMD3528: its dimension is 3.5mm * 2.8mm, power watts is 0.08W / Pcs 

SMD5050: its 5.0mm * 5.0mm, power watts is 0.24w/Pcs 

Comparison of SMD3528 and SMD5050 300-LED Light Strip

SMD3528 (300 LEDs)  

SMD5050 (300 LEDs)
LED Qty 300 pcs 300 pcs
Viewing Angle 120° 120°
Voltage DC 12 Volt DC 12 Volt
Current(A) 2Amp 6Amp
Power Consumption 24 Watt 72 Watt