Samsung is rolling out the Infuse 4G for AT&T, which is expected to land at Wal-Mart next month for $178.88. The new Samsung Infuse 4G will be joining the likes of the Motorola Atrix 4G and the HTC Inspire 4G. Meanwhile HTC Sensation is expected to arrive shortly through T-Mobile in June in the U.S. What follows is a comparison between the two phones.

The HTC Sensation 4G has a 4.3-inch 540 x 960 pixels S-LCD capacitive touchscreen display. The Samsung Infuse 4G has 4.5-inch 480 x 800 pixels Super AMOLED Plus capacitive touchscreen display.

Input features:
HTC’s smartphone has input features like Gorilla glass display, multi-touch input method, accelerometer sensor for UI auto-rotate, proximity sensor for auto turn-off, gyro sensor and HTC Sense v3.0 UI. Samsung’s phone has features like Gorilla Glass display, 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.

The memory of 1 GB RAM along with 16 GB of internal storage is expected to be featured in Infuse 4G whereas HTC Sensation has 768 MB RAM and 1 GB storage with 8 GB included in it. And both the smartphones will have microSD support up to 32 GB.

Samsung’s Infuse will end up with 14.4 Mbps HSDPA and 5.76 Mbps HSUPA as it is going to AT&T while HTC Sensation will  support HSDPA 14.4 Mbps and HSUPA 5.76 Mbps.

HTC Sensation has WLAN HSDPA 14.4 Mbps, HSUPA 5.76 Mbps, Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot and microUSB version 2.0 along with Bluetooth version 3.0 with A2DP. Infuse 4G has WLAN Wi-Fi 802.11 b/g/n, DLNA, microUSB version 2.0 and similar Bluetooth version like Sensation 4G.

Samsung Infuse 4G has an 8-megapixel 3264x2448 pixel camera with autofocus, LED flash, geo-tagging, touch focus, face and smile detection. HTC Sensation has 8-megapixel 3264x2448 pixels camera with autofocus, dual-LED flash, geo-tagging, touch-focus, image stabilization, face detection and instant capture. Both the smartphones have the ability to capture videos at 1080p and feature secondary cameras.

Operating System:
Presently, Samsung Infuse 4G is expected to be launched with Android OS version 2.2 (Froyo), but it may be shipped with Android OS version 2.3 (Gingerbread) found in the HTC Sensation 4G.

Samsung’s smartphone will feature the ARM Cortex A8 1.2 GHz processor compared to HTC Sensation’s 1.2 GHz dual-core Adreno 220 GPU Qualcomm MSM 8260 Snapdragon.

Infuse 4G will come with a 1750 mAh battery whereas HTC’s smartphone will have a Li-Ion 1520 mAh battery.

Other features:
The common features showcased in both smartphones are SMS threaded view, MMS, Email, Push Mail, IM, HTML browser, A-GPS support, Java via third party applications, digital compass, organizer, Google Search, Google Maps, Gmail, YouTube, Picasa integration, SNS integration, Google Talk, Adobe Flash 10.1 support, voice memo-dial-commands and predictive text input.

A few other features found in the Infuse 4G are RSS, MP4/DivX/WMV/H.264/H.263 player, MP3/WAV/eAAC+/AC3/FLAC player, image and video editor. HTC Sensation also has TV-out via MHL A/V link, stereo FM radio with RDS, MP3/AAC+/WAV/WMA player, XviD/MP4/H.263/H.264/WMV player and document viewer.

HTC’s Sensation 4G will come with next version of HTC Sense, also will come with the HTC Watch video rental and buying service. The smartphone from HTC may also feature HTC Trace, a similar Swype-like keyboard feature found in the Samsung Infuse 4G.