Samsung has released three professional high-efficiency, environmentally friendly LED displays to the market, targeted as premium monitors for professionals. Here's how they break down in terms of features.
850 Series: a 27-inch monitor with LED PLS (Plane to Line Switching), boasts a wide viewing angle of up to 178 degrees, as well as 100 percent sRGB color space coverage, and a resolution of 2560 x 1440 pixels.
650 & 350 T Series: a 24-inch monitor that boasts a wide viewing angle of up to 178 degrees, 1920 x 1080 resolution and a contrast ratio of 3000:1.
850, 650 & 350 T Series: Feature an Eco-savings ability to reduce energy in sleep mode. When there is no activity nearby, the monitors can be set to turn off automatically. The monitor's eco-Motion Sensor can identify brightness and darkness of the surrounding environment and automatically adjust the the screen. The 850 and 650 monitor's stand is height adjustable and the screen can be rotated.
Read more here: Samsung (Korean)