The past few months have seen a flurry of high-end touchscreen smartphone launches -- HTC Touch HD, Sony Xperia, BlackBerry Storm and Nokia 5800 XpressMusic.

All aiming to grab the growing touchscreen mobile marketshare, the segment created by Apple iPhone, boasts of high-end multimedia features.

But how do they compare to each other, what does Nokia 5800 XpressMusic has that HTC Touch HD, Sony Xperia, Blackberry Storm or Samsung Omnia doesn't have. Or what in Samsung Omnia helped Samsung grab second position in Indian mobile phone market.

Here's a compare meter that evaluates Nokia 5800 XpressMusic, Blackberry Storm, Sony Xperia, HTC Touch HD and Samsung Omnia on various yardsticks.

Looks and display

Nokia 5800: On the looks front Nokia 5800 has rounded corners and similar screen like iPhone. The screen size is 81mm (3.2-inch) diagonally, with 640x480-pixel touchscreen display that can play multiple types of video at a high resolution. Measuring 111 x 51.7 x 15.5 mm, the phone weighs 109 grams. It is available in black, red, and blue variants.

Stom: Measuring 4.43 X 2.45 X 0.55 inches, storm weighs 155 grams. It has a QWERTY keyboard for a high-resolution 3.25-inch touchscreen. The phone's display supports 480x360 pixel resolution and 65,000 colours. The phone packs a ClickThrough feature, which means its touchscreen is not just touchable but clickable. This means that the Storm has two levels of input (touch and click) which has been used to advance the interface.

Xperia: Measuring 4.4 x 2.1 x 0.7 inches, Xperia weighs 158 grams. The phone's touchscreen display supports 800 X 480 pixel resolution and 65,536 color. It is available in Black and Steel Silver.

HTC HD Touch: With a 3.8-inch touchscreen display, Touch HD has a WVGA resolution of 800 x 480 pixels. Measuring 115 mm (h) X 62.8 mm (w) X 12 mm, the phone weighs 146.4 grams.

Samsung Omina: Sporting a platinum look, the phone takes advantage of Samsung's TouchWiz user interface.It has a 3.2-inch LCD touchscreen display.

Features

Nokia 5800: The phone has built-in surround stereo speakers, Nokia Maps, GPS, Wi-Fi, stereo Bluetooth and a top-mounted 3.5mm headphone socket. Unlike the Apple iPhone, the Nokia 5800 has Flash support, a programme used to power many online video services and websites. 5800 also has an accelerometer for display rotation.

The phone has a Media Bar, a drop down menu that provides direct access to music and entertainment. Billed as a music phone, 5800 comes pre-loaded with a vast range of music collection.

Stom: BlackBerry first touch phone packs a host of multimedia capabilities including Bluetooth 2.0 with support for stereo Bluetooth headsets, dial-up networking and GPS. The phone comes with Media Player with support for music and video formats including MP3, AAC, WMA, WMV, MPEG4 and H.264.

The phone also comes preloaded with instant messengers like Yahoo, Windows Live, AOL, and ICQ and social networking apps like Facebook, MySpace and Flickr. The phone has BlackBerry Maps for text-based turn-by-turn directions.

Xperia: X1 has a standard headphone jack, aGPS, Bluetooth, Google Maps, Microsoft Office mobile, modem, synchronisation PC, USB support, navigator, WiFi, email, Exchange ActiveSync, Instant messaging and MMS (Multimedia Messaging). The phone includes Internet Explorer Mobile and Opera Mobile browsers.

HTC HD Touch: The handset features a 3.5mm headphone jack for audio-out. The jack lets users connect the mobile to any headset. Other features include 3.5G support, aGPS and WiFi. HTC Touch HD handset comes equipped with TouchFLO 3D user interface that offers quick and intuitive access to the people, messages and content. The phone is billed as an internet and multimedia device for personal as well as business use.

Samsung Omnia: The Samsung phone features a TV-Out feature to playback content from the phone directly on the television screen. DivX technology enables video content transfer from the PC to the mobile.

Camera

Nokia 5800: Nokia'S first touchscreen phone has 3.2 megapixel camera with a Carl Zeiss lens and a dual-LED flash with 30 fps video recording. It also has a second backward facing camera.

Stom: BlacBerry Storm is equipped with a 3.2 megapixel camera with video recording, auto focus and flash.

Xperia: Xperia has built-in 3.2 megapixel camera with video recording feature. The phone also has a video calling option.

HTC Touch HD: The phone packs 5 megapixel camera and offers video viewing and auto focus capabilities.

Samsung Omnia: The smartphone features a 5 megapixel camera. It support auto focus, image stabliser, geo tagging, auto-panorama shot, wide dynamic range and face detection options. Also, it has option of video recording, video editing, audio dubbing and live dubbing.

Storage

Nokia 5800: Nokia's touch phone comes with 81MB internal memory, 8GB microSD memory card, capable of storing approximately 6,000 songs. The memory can be further expanded to 16GB.

Stom: The phone comes with 128MB of flash memory and 1GB of onboard memory. The phone offers support for microSD/SDHC expansion slot up to 16GB cards.

Xperia: Sony Xperia packs 400 MB of internal memory and can be expanded via microSD cards.

HTC Touch HD : The phone has 528 MHz Qualcomm processor, 512 MB of flash memory, and 288 MB of RAM. The memory can b further expanded via microSD cards.

Samsung Omnia: The mobile comes in two versions -- with 24 GB memory (internal memory of 8 GB and an extendible memory of 16 GB) and with 32 GB memory (internal memory of 16 GB and an external memory of 16 GB).