PLASMA TV COMPARISON PN4500 PN6500 PH6700
3D (Active)    
Dual Core Processor    
LG Smart TV    
Wi-Fi® Built-in    
PenTouch Ready
Clear Voice II
Picture Wizard II
Intelligent Sensor
Smart Energy Saving
HDMI Inputs 1 (Side), 1 (Rear) 1 (Side), 1 (Rear) 2 (Side), 1 (Rear)

USB Inputs

1 (Side) 1 (Side) 2 (Side), 1 (Rear)