AT&T is planning to conquer the smartphone market with another razor-thin smartphone.

The Samsung Infuse 4G, announced at the Consumer Electronics Show, packs the one of the largest  display smartphone displays and has an extensive feature set. Here is a look at AT&T’s Samsung Infuse 4G versus Verizon’s HTC Thunderbolt 4G, another smartphone which features the LTE network.

Samsung Infuse 4G has a 4.5-inch 480 x 800 pixel Super AMOLED Plus capacitive touch-screen display. And HTC Thunderbolt 4G comes with 4.3-inch 480 x 800 pixel TFT capacitive touch-screen display. The Super AMOLED display compared to first generation AMOLDED display is 20% brighter, shows 80% less sunlight reflection and gives 20% reduced power consumption.

Input Features:
The input features provided in Infuse 4G are TouchWiz 3.0 UI, multi-touch input method, accelerometer sensor for UI auto-rotate, touch-sensitive controls, proximity sensor for auto turn-off and Swype text input. On the other Thunderbolt 4G has input features like an accelerometer sensor for UI auto-rotate, proximity sensor for auto turn-off, HTC Sense 2.0 UI and multi-touch input.

Memory Storage:
  Infuse will have 1 GB RAM along with 16 GB internal storage whereas HTC’s smartphone has 768 MB RAM and 8 GB internal storage. Both the smartphones can support up to 32 GB microSD but the Thunderbolt will include 32 GB extra support.

As Infuse 4G is going to AT&T, the smartphone will get up to 14.4 Mbps HSDPA and 5.76 Mbps HSUPA support as against Thunderbolt’s Rev. A up to 3.1 Mbps on an LTE network.

WLAN/ Bluetooth/ USB:
Both these smartphones comes with Wi-Fi 802.11 b/g/n DLNA and microUSB version 2.0 support but Infuse 4G will feature Bluetooth version 3.0 with A2DP as against Thunderbolt’s Bluetooth version 2.1 with A2DP and EDR.

Although both the smartphones have 8-megapixel 3264x2448 pixel cameras, Thunderbolt scores here with a dual-LED flash when compared to Infuse 4G’s LED flash camera. Other camera features include autofocus, geo-tagging, face detection and a secondary VGA camera. And Infuse also has smile detection and touch focus. When it comes to video capture Infuse 4G scores with a 1080p versus Thunderbolt’s 720p.

Processor and OS:
The smartphones are powered by Android version 2.2 (Froyo), but there may be Infuse 4G nay feature an advanced Android version upon release. Samsung’s smartphone features one of the fastest ARM Cortex A8 1.2 GHz processors. HTC’s Thunderbolt has a 1GHz Scorpion Adreno 205 GPU Qualcomm MSM8655 Snapdragon processor to give that extra touch for better graphics.

Common features:
Both the smartphones include 3.5mm jack, loudspeaker, SMS threaded view, MMS, Email, Push Email, IM, HTML browser, games, A-GPS support, digital compass, organizer, Google Search, Google Maps, Gmail, YouTube, Google Talk, Picasa integration, voice memo-dial-commands and predictive text input.

Other features found in Infuse 4G are Java support via third party application, social networking integration, MP4/DivX/WMV/H.264/H.263 player, MP3/WAV/eAAC+/AC3/FLAC player, image and video editor and flash support. HTC's smartphone features include video Skype and SNS integration, built-in kickstand, MP3/AAC+/WAV/WMA9 player, DivX/Xvid/MP4/H.263/H.264/WMV9/player and document viewer.

Infuse 4G will be featuring a 1750 mAh battery and Thunderbolt will have a 1400 mAh Li-Ion battery.

The Infuse 4G’s release date is yet to be announced, but leaks from a Best Buy list show that the smartphone could hit the stores on March 10. Verizon's navigation app, VZ Navigator, is also available for the HTC ThunderBolt smartphone, even though it has yet to hit store shelves. The GPS app is priced at $2.99 per day, $4.99 a week or $9.99 a month.