Nexus Family

Nexus One:
The Nexus One was manufactured by HTC and released in January 2010 as the first Nexus phone. It was released with Android 2.1 Eclair, and was updated in May 2010 to be the first phone with Android 2.2 Froyo. It was further updated to Android 2.3 Gingerbread. It was announced that Google would cease support for the Nexus One, whose graphics processing unit (GPU; Adreno 200) is poor at rendering the new 2D acceleration engine of the UI in Android 4.0 Ice Cream Sandwich. The Nexus S and newer models have hardware designed to handle the new rendering.

Special Feature:
Multi-touch capacitive touchscreen
3-axis accelerometer
A-GPS
Ambient light sensor
Microphone
Digital compass
Proximity sensor
Push buttons
Trackball

Nexus S:
The Nexus S, manufactured by Samsung, was released in December 2010 to coincide with the release of Android 2.3 Gingerbread. In December 2011 it was updated to Android 4.0 Ice Cream Sandwich, with most variations later being updatable to Android 4.1 Jelly Bean in July 2012.

Special Feature:
Capacitive touch-sensitive buttons
Digital compass
Wi-Fi hotspot
USB tethering
Oleophobic display coating
SIP VoIP
removes trackball

Galaxy Nexus:
The Galaxy Nexus, manufactured by Samsung, was released in November 2011 (GSM version, US released on Verizon 15 December 2011) to coincide with the release of Android 4.0 Ice Cream Sandwich. It was upgraded to the latest Android software 4.1 (Jelly Bean) in mid-July 2012.This device is known in Brazil as Galaxy X due to a trademark on the "Nexus" brand.

Special Feature:
Barometer
3-axis Digital compass
Dual microphones for active noise cancellation
Wi-Fi Direct
Oleophobic display coating

Nexus 4:
The Nexus 4 is the latest smartphone in the Google Nexus line and is manufactured by LG was released in November 2012. It is the first Android device using Android's 4.2 Jelly Bean update version. The Nexus 4 has a 4.7" Corning Gorilla Glass 2 touchscreen (1280 x 768 pixel resolution), 1.5Ghz Qualcomm Snapdragon S4 Pro APQ8064 quad-core processor, 8 MP main camera, 1.3 MP front-camera, and is the first Nexus device to have wireless charging capabilities.

Special Feature:
Wireless charging
Crystal Reflection Glass

Nexus 5:
Sooner the new nexus is going to join with the family.