AT&T released one of the long-awaited 4G LTE smartphones, HTC Vivid, on its network Nov. 6. The phone has a 128.8 x 67.1 x 11.2 mm dimension, and weighs 176.9 grams.

Vivid packs a dual core 1.2 GHz processor and a 4.5-inch qHD display. The smartphone runs on Google's Android Gingerbread operating system (OS). It is one of the first smartphones which is able to utilize both LTE and HSPA+ 4G speeds, which allow owners of the smartphone reliable connection in both areas where applicable.

On the other hand, Motorola's Photon 4G was launched July 31 on Sprint and priced at $199 with a two-year contract. Apart from being powered by a dual core processor and 4G, the smartphone from Sprint is a world phone which means the consumers have international GSM roaming so that they can access their email, calendar and contacts from anywhere.

The Photon 4G is Sprint's seventh Sprint ID-capable handset. The Sprint ID delivers number of applications, shortcuts, widgets, ringtones and wallpapers. The pack provides free to download stuff on the Everything Data plan, and users are allowed to download five packs at a time.

Take a look at the specifications of HTC Vivid and Motorola Photon 4G:

Size: HTC Vivid weighs 176.9 grams and has a dimension of 128.8 x 67.1 x 11.2 mm. On the other hand, Photon 4G has a dimension of 126.9 x 66.9 x 12.2 mm and weighs 158 grams.

Display: HTC Vivid features a 4.5-inch qHD display with a resolution of 540x960 pixels with 245 ppi pixel density while Photon 4G has 4.3-inch qHD display with 960 x 540 pixels resolution with 256 ppi pixel density.

OS: Both the mobiles run on Android 2.3 Gingerbread operating system, but Vivid can be upgradable to Android 4.0 Ice Cream Sandwich, which is a combination of Gingerbread and Honeycomb in one unit.

Processor: Vivid is powered by a 1.2 GHz Scorpion dual-core processor, Adreno 220 GPU, Qualcomm APQ8060 Snapdragon chipset with 1GB RAM. On the other hand, Photon 4G comes with 1 GHz NVIDIA Tegra 2 AP20H dual Core processor with 1GB RAM and 2GB ROM.

Camera: Vivid scores over Photon 4G in the camera department as the former has great movie support. Vivid sports 8-megapixel LED flash camera with 1080p HD video capture capability and also has a 1.3-megapixel front-facing camera for video calling. Photon 4G has an 8-megapixel camera with autofocus, dual-LED flash and a secondary VGA camera.

WLAN/Bluetooth/USB: Vivid supports Bluetooth 3.0 version with A2DP, Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot. Photon 4G supports Bluetooth version 2.1 with A2DP with EDR support along with Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot and WiMAX 802.16 e. Both smartphones come with support for microUSB version 2.0.

3G/4G: Vivid has HSDPA, HSUPA and supports 4G LTE. The Photon 4G has Rev.A up to 3.1 Mbps, HSDPA, HSUPA, along with 4G LTE support.

Battery:  Vivid comes with a standard Li-ion 1650 mAh battery that gives up to 7 hours 40 minutes talk time and up to 288 hours of standby. The Photon 4G will have Li-Po 1700 mAh battery giving up to 9 hours of talk time.

Memory: Vivid has a 16 GB internal storage and via a microSD card slot it can expand up to 32 GB. Photon 4G has a fixed 16GB memory which can be expandable up to 32GB with a microSD card.

Pricing:  With a two-year AT&T contract, Vivid is priced at $99.99 while Sprint offers Photon 4G for $199.99 with 2-year contract.