Samsung Galaxy Note features:

• Form factor: phone/tablet crossbreed
• Dimensions: 146.9 x 83 x 9.7 mm
• Weight: 178g
• Display: 16M-color 5.3” Super AMOLED capacitive touchscreen of WXGA resolution (1280 x 800 pixels)
• OS: Android 2.3.5 Gingerbread, TouchWiz UI
• Chipset: 1.4 GHz dual-core Cortex-A9 CPU, Mali-400MP GPU, 1GB of RAM, Exynos chipset
• Camera: 8 MP autofocus camera, 1080p video recording, LED flash, 2 MP front-facing camera
• Memory: 16/32 GB internal memory, expandable via a microSD card slot
• Connectivity: quad-band GSM/GPRS/EDGE and quad-band (850/900/1900/2100 MHz) UMTS with 21 Mbps HSDPA and 5.76 Mbps HSUPA support, dual-band Wi-Fi a/b/g/n, Wi-Fi direct, Assisted GPS, Bluetooth 3.0, microUSB connector
• Battery: 2,500mAh
• Misc: S Pen, Gyro sensor, accelerometer sensor for auto rotation, ambient light sensor, Adobe Flash Player 10.3 support, DivX/XviD support, TV-out (adapter required), optional GLONASS, optional NFC

Specifications

• Network HSPA+ 21 850/900/1900/1700/2100; EDGE/GPRS (LTE will be available depending on region)
• Processor1.2GHz dual-core processor
• Display: 4.65-inch 1280 x 720 HD Super AMOLED
• OS: Android 4.0 Ice Cream sandwich
• Cameras:Rear cam: 5-megapixel, Front cam: 1.3-megapixel for video call
• Video: Playback and recording at 1080p (30fps, MPEG-4/h.263/h.264)
• Connectivity:Bluetooth 3.0, USB, Wi-Fi 802.11 a/b/g/n, NFC
• Sensors: Accelerometer, compass, gyro, light, proximity, barometer
• Memory: 1GB ram + 16/32GB storage
• Battery: 1750mah standard battery
• Size: 135.5 x 67.94 x 8.94; 135g

GALAXY Nexus is designed to provide a “pure Google,” experience, and with it, you will be the first to receive software upgrades and new applications as they become available. It also features a number of Google Mobile services, including: Android Market, Gmail™, Google Maps™ 5.0 with 3D maps and turn-by-turn navigation, Google Earth™, Movie Studio, YouTube™, syncing with Google Calendar™, and a redesigned Google+ app.

Samsung I9001 Galaxy S Plus features:

• General: GSM 850/900/1800/1900 MHz, UMTS 900/1900/2100 MHz, HSDPA 14.4 Mbps, HSUPA 5.76 Mbps
• Form factor: Touchscreen bar phone
• Dimensions: 122.4 x 64.2 x 9.9 mm, 119 g
• Display: 4.0″ 16M-color WVGA (480 x 800 pixels) SuperAMOLED capacitive touchscreen, Gorilla Glass
• CPU: 1.4 GHz Scorpion processor, Qualcomm MSM8255T Snapdragon
• GPU: Adreno 205 GPU
• RAM: 512 MB
• OS: Android 2.3.3 (Gingerbread)
• Memory: 8 GB storage, microSD card slot (up to 32 GB)
• Camera: 5 megapixel auto-focus camera with face and smile detection, touch focus; HD (720p) video recording at 30fps, front-facing VGA camera, video calls
• Connectivity: Wi-Fi b/g/n, Wi-Fi hotspot, Bluetooth 3.0+HS, standard microUSB port,
• GPS receiver with A-GPS, 3.5mm audio jack, FM radio, TV out
• Misc: TouchWiz 3.0 UI, DivX/XviD codec support, built-in accelerometer, multi-touch input, proximity sensor, Swype text input

4.3″ SUPER AMOLED Plus 
The 4.3″ SUPER AMOLED Plus display goes a step beyond the already
remarkable SUPER AMOLED to provide enhanced readability,
a slimmer design, and better battery consumption
for the best viewing value of any smartphone.

Dual Core Application Processor
Clocking at lightening speeds the unrivaled performance of
the Dual Core Application Processor provides unsurpassed functionality
and density for faster browsing, quicker multi-tasking, a smoother UI, snappier
streaming and highly efficient gaming. With encoding/decoding ability that
supports video play and recording, makes it no.1 among dual cores.

8.49mm Slim Design
Taking slim to the next dimension. The Samsung GALAXY S II rides the leading
edge with an ultra-slim 8.49mm form factor, a luxurious design and
an easy grip. The ultra-slim smartphonealso boasts 3D TouchWiz UX
adds to the evolutionary experience with a futuristic user interface.

Samsung I9100 Galaxy S II feautures:

• General: GSM 850/900/1800/1900 MHz, UMTS 850/900/1900/2100 MHz, HSDPA 21 Mbps, HSUPA 5.76 Mbps
• Form factor: Touchscreen bar phone
• Dimensions: 125.3 x 66.1 x 8.5 mm, 116 g
• Display: 4.3″ 16M-color WVGA (480 x 800 pixels) Super AMOLED Plus capacitive touchscreen, Gorilla Glass,
• CPU: Dual-core ARM Cortex A9 1.2 GHz processor, Orion chipset
• GPU: Mali-400MP
• RAM: 1GB
• OS: Android 2.3 (Gingerbread)
• Memory: 16/32GB storage, microSD card slot
• Camera: 8 megapixel auto-focus camera with face detection, touch focus and image
• stabilization; Full HD (1080p) video recording at 30fps, LED flash, front facing camera, video-calls
• Connectivity: Wi-Fi a/b/g/n, Wi-Fi hotspot, Bluetooth 3.0+HS, standard microUSB port,
• GPS receiver with A-GPS, 3.5mm audio jack, FM radio, TV-out, USB-on-the-go
• Misc: TouchWiz 4.0 UI, DivX/XviD codec support, built-in accelerometer, multi-touch input, proximity sensor, gyroscope sensor, Swype text input

Google Nexus S features:

• Quad-band GSM and tri-band 3G support
• HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
• 4.0″ WVGA (480×800) Super AMOLED Contour Display with curved glass screen
• Android OS, v2.3 Gingerbread
• 1 GHz ARM Cortex-A8 (Hummingbird) processor
• 16GB storage, 512 MB RAM
• 5 MP autofocus camera with LED flash and geotagging
• Front-facing VGA camera
• Wi-Fi b/g/n with DLNA
• GPS with A-GPS
• Portable Wi-Fi hotspot and stereo Bluetooth v2.1
• Near Field Communication chip
• Accelerometer, proximity and light sensors
• Standard 3.5 mm audio jack
• microUSB port (charging)
• Adobe Flash support out of the box
• Latest Google Mobile applications