Google Chromecast with HD TV is specifically designed for teles that don't match up to 4K but still give a decent enough picture and resolution.
Google Chromecast with Google TV review: The best streaming dongle
The All New Chromecast with Google TV HD Is Pretty Great For $29! Hands-On Review
Chromecast with Google TV Review - 6 Months Later
The All New Chromecast with Google TV HD Is Pretty Great For $29! Hands-On Review
Chromecast with Google TV (HD) review: A worthwhile upgrade
Chromecast with Google TV (HD) review: The new king of HD streaming
Chromecast with Google TV 4K Sky GA01923-US - Best Buy
Chromecast with Google TV (HD) review: Lower resolution, lower price
Chromecast with Google TV (HD) review: A worthwhile upgrade
Chromecast with Google TV (HD) review: The new king of HD streaming
I tried the Google Chromecast TV HD for a week: Here's what you need to know
Chromecast with Google TV HD, review: economical and simple
The All New Chromecast with Google TV HD Is Pretty Great For $29! Hands-On Review
Chromecast with Google TV (HD) review: SENSIBLE upgrades!
Chromecast with Google TV 4K Sunrise GA01920-US - Best Buy