Both of them are powered by Smart TV OS which is based on Linux. It also includes several useful applications like YouTube, Netflix, Amazon Prime video and more.
The Sony BRAVIA W6603 model comes with 43-inch Direct LED HDR10 display with X-Reality Pro and Motionflow XR technology. It offers 1920 x 1080 pixels resolution and 178-degree wide-viewing angles.
The BRAVIA W660 43″ TV houses two 10W stereo speakers with Dolby Audio, DTS Audio, ClearAudio+ and S-Force front surround sound. It has support for Wi-Fi 802.11 b/g/n, HDMI, two USB ports (with smart plug n play) and Ethernet.
The Sony BRAVIA X70G model features in a larger 55-inch Direct LED TRILUMINOS Display with HDR10, Dynamic Contrast Enhancer, Live Color Technology, Motionflow XR 200 at 50Hz and 4K X-Reality Pro engine. The screen offers 3840 x 2160 pixels resolution and 178-degree wide-viewing angles.
The BRAVIA X70G sports two 10W stereo bass reflect speakers with DSEE, DTS Audio, Dolby Audio, S-Force front surround, ClearAudio+ and FM Radio. It has Media Connect and Photo sharing plus feature as well. In terms of connectivity, there is Wi-Fi 802.11 b/g/n, two USB ports (smart plug n play), three HDMI (with ARC) and Ethernet port.
The Sony BRAVIA W6603 43-inch 1080p TV price is Rs. 37,990 while the BRAVIA X70G 55-inch 4K TV costs Rs. 63,999 in India. These are available online at Amazon.in.